Ecological planting method for interplanting honeysuckle and apocynum venetum in sandy land

Abstract

The invention discloses an ecological planting method for interplanting honeysuckle and apocynum venetum in a sand-pressed land. The ecological planting method comprises the steps of land selection, transplanting of honeysuckle and apocynum venetum, water and fertilizer management, shaping and pruning, prevention and treatment of diseases, weeds and weeds, harvesting and the like. The apocynum venetum is interplanted between the rows of the honeysuckle, so that resources such as space, soil, light and heat, air, water and fertilizer and the like can be fully utilized, the yield of the honeysuckle in the sand-pressed land is increased, the chlorogenic acid content of the honeysuckle is increased, the planting area of the apocynum venetum can be increased, the land utilization rate is increased, and the fertility of the soil can be increased through the root system of the apocynum venetum. The air permeability and the water retention capacity of the soil are improved, more nutrients are supplied to the honeysuckle flowers, and the honeysuckle flowers and the honeysuckle flowers achieve the effect of mutual benefit and symbiosis. In addition, the vegetation coverage of the pressure sand land can be improved, the ecological environment of the pressure sand land is improved, and the planting benefit of the pressure sand land is improved.

Description

Technical Field

[0001] The invention relates to the technical field of agricultural planting, and in particular to an ecological planting method for interplanting honeysuckle and apocynum venetum on sandy land. Background Art

[0002] Pressed sand planting refers to covering the surface soil with a layer of sand and gravel, using compaction and gravity to press the sand and gravel together to form a solid foundation. Pressed sand can significantly increase ground temperature, advance the germination time of seeds, and pressurized sand can effectively prevent drought and drought by enhancing the soil's water retention capacity and increasing soil moisture, thus ensuring the normal growth of crops in the dry season.

[0003] Sand-pressed planting is a unique water-saving agricultural model and conservation farming method to cope with harsh farming conditions. The sand-pressed melon planting in the arid zone of central Ningxia has a long history. After decades of development, the planting area has exceeded 66,700 hm2. 2 . With the development of the sand-pressed melon industry, some good arable land and desert grasslands with fragile ecological environment have also been pressed with sand and gravel to grow sand-pressed melons. The blind planting of sand-pressed melons for many years has resulted in the overly monotonous crop planting structure in the region, high incidence of diseases and insect pests, reduced quality of sand-pressed melons, and increasingly prominent problems such as soil desertification, land fertility decline, and ecological environment deterioration. Therefore, the transformation of the sand-pressed land industry is urgent, and it is urgent to explore crops that can improve the quality of sand-pressed land soil, improve the local living environment, and bring tangible economic benefits to the people.

[0004] Honeysuckle (Lonicera japonica Thunb.) is a perennial vine of the genus Lonicera in the family Caprifoliaceae. It is called honeysuckle because the color of its flowers changes from white to yellow. Both its stems and leaves can be used as medicine. It has the effects of clearing away heat and detoxifying, and evacuating wind-heat. It has high medicinal and economic value and is widely used in food, medicine, cosmetics, and aquaculture. Honeysuckle is a perennial vine with strong ability to survive in adverse conditions. It is cold-resistant, drought-resistant, waterlogged-resistant, and salt-alkali-resistant. In recent years, the benefits of planting honeysuckle in sandy land have become more prominent. Studies have shown that planting honeysuckle in sandy land not only has considerable economic benefits, but also can improve soil nutrients and increase the diversity of bacterial communities. At present, the planting area of ​​honeysuckle in the arid zone in central Ningxia has exceeded 30,000 mu, bringing tangible benefits to the local ecological environment. However, since it is difficult to weed and fertilize honeysuckle in sandy land, the planting row spacing is moderately widened to reduce the cost of weeding and fertilization, which leads to problems such as single crop planting, low vegetation coverage, low land utilization rate and fragile ecology. Therefore, interplanting an economic crop between honeysuckle rows is the best way to solve the above problems.

[0005] Apocynum venetum L., also known as red hemp, is a perennial herbaceous plant belonging to the genus Apocynum in the family Apocynaceae. The roots, stems, leaves, flowers and whole herb of Apocynum venetum are used as medicine, which has the effects of clearing away heat and calming the liver, promoting diuresis and reducing swelling, and has high medicinal value; Apocynum venetum leaves can be used to make tea, and long-term drinking has the effects of promoting body fluid and quenching thirst, clearing away heat and detoxifying, preventing hypertension, and anti-aging. The stalks of Apocynum venetum have a high cellulose content and are known as the "king of wild cellulose". They are the raw materials for high-end textile processing and also a good raw material for the papermaking industry; Apocynum venetum flowers are purple or pink, with a large number of flowers, a long flowering period, and well-developed nectar glands. They are good nectar plants and have high ornamental value. It can be seen that Apocynum venetum is a multi-purpose medicinal plant that integrates ecological value and economic value. In addition, Apocynum venetum is drought-resistant, cold-resistant, salt-alkali-resistant, and high-temperature-resistant, and has strong stress resistance.

[0006] Therefore, intercropping honeysuckle and rhubarb and using scientific planting methods are expected to achieve complementarity and synergy between the two crops and solve the problems existing in the traditional single planting of honeysuckle. Summary of the invention

[0007] The technical problem to be solved by the present invention is to provide an ecological planting method for intercropping honeysuckle and rhubarb in sandy land, thereby increasing the plant coverage of sandy land, improving land utilization rate, and increasing the planting efficiency of honeysuckle in sandy land.

[0008] The present invention provides an ecological planting method for interplanting honeysuckle and apocynum venetum on sandy land, comprising the following steps:

[0009] (1) Site selection: Choose a plot with high terrain, good ventilation, loose and fertile soil and compacted gravel or pebbles for planting. The thickness of the gravel or pebbles should be 15 to 25 cm.

[0010] (2) Transplantation of honeysuckle: Select honeysuckle seedlings with complete root systems, strong trunks, and heights of more than 30 cm. Soak the roots in rooting powder solution for 1 to 2 hours. After the soil thaws in late March to early April, remove the gravel and dig holes with a row spacing of 80 cm × 220 cm and a depth of 20 to 30 cm. Place the honeysuckle in the holes, one plant per hole, arrange its roots and fill with soil. When the soil fills most of the hole, gently lift the seedling upwards so that the roots and seedlings are in full contact with the soil. After lifting the seedling, compact it with your feet, then continue to fill and press the soil. Reserve a hole with a depth of 2 to 3 cm to facilitate water storage and moisture conservation. Lay a drip irrigation tape 5 to 10 cm away from the honeysuckle seedlings and water them within 2 days after transplanting.

[0011] (3) Water and fertilizer management of honeysuckle: After the soil thaws, apply bud fertilizer once in combination with irrigation, and apply 20-40 kg of compound fertilizer per mu; add phosphorus and potassium fertilizers at the bud stage, with a dosage of 50 grams per mu, diluted 800-1000 times and then sprayed for fertilizer; after the first batch of flowers are picked, apply irrigation and fertilizer, and apply 20-40 kg of compound fertilizer per mu to restore the growth of honeysuckle; after each batch of flower buds are harvested, apply fertilizer and water, and the application amount can be reduced by 5-20% compared with the first batch of flowers; irrigate once before the soil freezes, and irrigate again after the beginning of spring the following year;

[0012] (4) Honeysuckle shaping and pruning: including pruning at the seedling stage and pruning at the flowering stage, including:

[0013] Pruning at the seedling stage: 1 to 2 years after transplanting honeysuckle, select a strong upright branch from the new branches that sprout in spring as the main trunk for cultivation. When the main trunk grows to 25±2cm, pinch off the top to promote the sprouting of side branches, break off the leggy branches at the bottom, and promote the thickening of the main trunk year by year; after sprouting in the spring of the second year, select 4 to 5 strong side branches on the upper part of the main trunk as the main branches, and remove the leggy branches and weak branches in time; a good crown can be formed in 2 to 3 years, with a height of 1.5m and a crown width of 1.5m, which is convenient for picking;

[0014] Pruning during the flowering period: Honeysuckle enters the flowering season three years after transplanting. Continue to cultivate the trunk and expand the crown. Prune from late October to early November every year, cut off the densely growing branches, cross branches, diseased branches, drooping branches, long branches, and weak branches, retain the strong branches, and shorten the remaining branches to form multiple strong main and side branches. Prune them year by year to form a round head plant shape or a loose umbrella-shaped shrub type;

[0015] (5) Honeysuckle weeding: During the period of vigorous weed growth, use a special weeding machine for sand-pressed land to carry out inter-row weeding 1 to 2 times;

[0016] (6) Honeysuckle pest and disease control: Honeysuckle pest and disease control includes powdery mildew control, black spot control and aphid control, among which:

[0017] Powdery mildew control: In the early stage of the disease, spray 600 times of 75% thiophanate-methyl wettable powder or 800 times of 50% carbendazim wettable powder, once every 7 to 10 days, and spray 2 to 3 times continuously;

[0018] Black spot control: In the early stage of the disease, spray 70% mancozeb wettable powder 500 times or 50% thiophanate-methyl wettable powder 800 times, once every 7 to 10 days, and spray 2 to 3 times in succession;

[0019] Aphid control: When the disease occurs, spray with 2000 times of 10% imidacloprid wettable powder or 2000 times of 50% pirimicarb wettable powder, once every 7 to 10 days, and spray 2 to 3 times continuously;

[0020] (7) Harvesting honeysuckle: From late May to mid-June, the flower buds turn from green to white, white on top and green on the bottom, and the upper part swells but has not yet opened. According to the flowering period, the flowers are picked at the second white stage. After picking, they are spread on baskets or bamboo baskets to dry in the sun or dried using drying equipment;

[0021] (8) Transplantation of Apocynum venetum: Select Apocynum venetum root seedlings and soak them in rooting powder solution for 1 to 2 hours before planting. In late March to early April, select a honeysuckle field that has been transplanted for more than 2 years. Use manual or mechanical methods to dig two rows of furrows between the rows of honeysuckle, with a row spacing of 60 cm. Move gravel to the soil, dig holes with a spacing of 100 cm between plants, and a depth of 15 to 20 cm. Place one root seedling in each hole, then fill the soil so that all the root seedlings are buried in the soil, and tamp it down. Water the holes within 2 days after transplanting.

[0022] (9) Prevention and control of diseases of Lophatherum gracile:

[0023] Prevention and control of leaf spot: When leaf spot occurs during the growth period of Apocynum venetum, spray 1000 times of 10% difenoconazole for prevention and control, spray again after 10 days, and remove the diseased plants in time to reduce the source of infection;

[0024] (10) Harvesting of Lophatherum gracile: Pick fresh leaves in September every year, dry them or make tea. In October, when the seeds are mature, harvest them and store them in a ventilated and dry place.

[0025] Preferably, the trunk diameter of the honeysuckle selected in step (2) is not less than 0.5 cm.

[0026] Preferably, the compound fertilizer in step (3) is N-P-K 15-15-15 compound fertilizer.

[0027] Working principle of the present invention: Honeysuckle is a perennial vine plant with strong ability to survive in adverse conditions, and is cold-resistant, drought-resistant, waterlogged-resistant, and salt-alkali-resistant. The present invention plants honeysuckle in sand-pressed land, and its branches grow fast, can quickly cover the ground to form a green surface, and the vegetation coverage of the sand-pressed land is significantly increased; planting honeysuckle in sand-pressed land changes the phenomenon of soil fertility decline and high incidence of diseases and insect pests caused by continuous planting of watermelons in sand-pressed land. After planting honeysuckle in sand-pressed land, the soil nutrient content is rising, the soil microbial activity is increasing, and the soil quality is significantly improved. The present invention plants dogbane between the rows of honeysuckle, which can not only make full use of resources such as land, light energy, air, water and fertilizer, increase plant coverage, and improve land utilization rate, but also the root system of dogbane can increase soil fertility, improve soil aeration and water retention capacity, and provide more nutrients for honeysuckle. Secondly, the pruning of honeysuckle during its flowering period should be carried out according to the principle of "light pruning of vigorous branches, heavy pruning of weak branches, complete pruning of dead branches, and pruning of all branches". Overly dense growth branches, cross branches, diseased branches, drooping branches, long branches, and thin and weak branches should be cut off, and strong branches should be retained. The remaining branches should be shortened to form multiple sturdy main and side branches, and they should be pruned year by year to form a round head plant shape or a loose umbrella-shaped shrub type. In addition, powdery mildew is a common disease of honeysuckle, which is mainly manifested by the appearance of white powder on the leaves, which can cause the leaves to turn yellow and fall off in severe cases; black spot disease mainly harms the leaves, and the lesions are black or dark brown, which can cause a large number of leaves to fall off in severe cases; aphids are one of the common pests of honeysuckle, which mainly suck the juice of tender leaves and stems, causing the leaves to curl and turn yellow; and spot blight is prone to occur during the growth of ramie. This application is based on the principle of "prevention first, prevention and control combined", and scientifically uses high-efficiency, low-toxicity, and low-residue pesticides to effectively prevent and control diseases and pests of honeysuckle and ramie.

[0028] Beneficial effects of the present invention:

[0029] 1. Interplanting honeysuckle and apocynum venetum can improve land utilization rate: In the planting of honeysuckle on sandy land, in order to reduce the cost of weeding and fertilization and improve the degree of mechanized operation, the row spacing is usually more than 2 meters, which causes a great waste of land between rows. The present invention plants apocynum venetum between the rows of honeysuckle, changes the traditional planting method of honeysuckle, changes the farming mode, reduces the exposed sandy land, improves the vegetation coverage of the sandy land, improves the land utilization rate, and increases the economic benefits of farmers.

[0030] 2. Interplanting honeysuckle and apocynum venetum can make full use of light energy. Interplanting honeysuckle and apocynum venetum, so that the two medicinal materials are arranged in alternating rows, is conducive to improving ventilation and light transmission conditions, increasing the utilization rate of light energy, and giving full play to the yield-increasing effect of the advantages of side rows.

[0031] 3. Interplanting honeysuckle and apocynum venetum can increase soil fertility. Planting apocynum venetum between honeysuckle rows can increase soil fertility, improve soil aeration and water retention, and provide more nutrients for honeysuckle. In addition, apocynum venetum can attract some beneficial insects and other insects, improve biodiversity, and reduce the damage of honeysuckle to pests and diseases.

[0032] 4. Interplanting honeysuckle and apocynum venetum can improve quality and efficiency. Interplanting honeysuckle and apocynum venetum has been shown to significantly increase the yield of honeysuckle and the content of chlorogenic acid in honeysuckle.

[0033] 5. Interplanting honeysuckle and apocynum venetum can increase the benefits of planting on sandy land. Interplanting honeysuckle and apocynum venetum can not only obtain the benefits of honeysuckle harvesting, but also the benefits of apocynum venetum leaves and seeds harvesting. DETAILED DESCRIPTION

[0034] In order to make the technical solution of the present invention easier to understand, the technical solution of the present invention is now clearly and completely described in the form of specific embodiments.

[0035] Comparative Example CK:

[0036] The ecological planting method of honeysuckle and apocynum venetum interplanting in the sandy land of the comparative example comprises the following steps:

[0037] (1) Site selection: Choose a plot with high terrain, good ventilation, loose and fertile soil and compacted gravel or pebbles. The thickness of the gravel or pebbles should be 15 to 25 cm.

[0038] (2) Transplantation of honeysuckle: Select honeysuckle seedlings with complete root systems, strong trunks, and heights of more than 30 cm. Soak the roots in rooting powder solution for 1 to 2 hours. After the soil thaws in late March to early April, remove the gravel and dig holes with a row spacing of 80 cm × 220 cm and a depth of 20 to 30 cm. Place the honeysuckle in the holes, one plant per hole, arrange its roots and fill with soil. When the soil fills most of the hole, gently lift the seedling upwards so that the roots and seedlings are in full contact with the soil. After lifting the seedling, compact it with your feet, then continue to fill and press the soil. Reserve a hole with a depth of 2 to 3 cm to facilitate water storage and moisture conservation. Lay a drip irrigation tape 5 to 10 cm away from the honeysuckle seedlings and water them within 2 days after transplanting.

[0039] (3) Water and fertilizer management of honeysuckle: After the soil thaws, apply bud fertilizer once in combination with irrigation, and apply 20-40 kg of compound fertilizer per mu; add phosphorus and potassium fertilizers at the bud stage, with a dosage of 50 grams per mu, diluted 800-1000 times and then sprayed for fertilizer; after the first batch of flowers are picked, apply irrigation and fertilizer, and apply 20-40 kg of compound fertilizer per mu to restore the growth of honeysuckle; after each batch of flower buds are harvested, apply fertilizer and water, and the application amount can be reduced by 5-20% compared with the first batch of flowers; irrigate once before the soil freezes, and irrigate again after the beginning of spring the following year;

[0040] (4) Honeysuckle shaping and pruning: including pruning at the seedling stage and pruning at the flowering stage, including:

[0041] Pruning at the seedling stage: 1 to 2 years after transplanting honeysuckle, select a strong upright branch from the new branches that sprout in spring as the main trunk for cultivation. When the main trunk grows to 25±2cm, pinch off the top to promote the sprouting of side branches, break off the leggy branches at the bottom, and promote the thickening of the main trunk year by year; after sprouting in the spring of the second year, select 4 to 5 strong side branches on the upper part of the main trunk as the main branches, and remove the leggy branches and weak branches in time; a good crown can be formed in 2 to 3 years, with a height of 1.5m and a crown width of 1.5m, which is convenient for picking;

[0042] Pruning during the flowering period: Honeysuckle enters the flowering season three years after transplanting. Continue to cultivate the trunk and expand the crown. Prune from late October to early November every year, cut off the densely growing branches, cross branches, diseased branches, drooping branches, long branches, and weak branches, retain the strong branches, and shorten the remaining branches to form multiple strong main and side branches. Prune them year by year to form a round head plant shape or a loose umbrella-shaped shrub type;

[0043] (5) Honeysuckle weeding: During the period of vigorous weed growth, use a special weeding machine for sand-pressed land to carry out inter-row weeding 1 to 2 times;

[0044] (6) Honeysuckle pest and disease control: Honeysuckle pest and disease control includes powdery mildew control, black spot control and aphid control, among which:

[0045] Powdery mildew control: In the early stage of the disease, spray 600 times of 75% thiophanate-methyl wettable powder or 800 times of 50% carbendazim wettable powder, once every 7 to 10 days, and spray 2 to 3 times continuously;

[0046] Black spot control: In the early stage of the disease, spray 70% mancozeb wettable powder 500 times or 50% thiophanate-methyl wettable powder 800 times, once every 7 to 10 days, and spray 2 to 3 times in succession;

[0047] Aphid control: When the disease occurs, spray with 2000 times of 10% imidacloprid wettable powder or 2000 times of 50% pirimicarb wettable powder, once every 7 to 10 days, and spray 2 to 3 times continuously;

[0048] (7) Harvesting of honeysuckle: From late May to mid-June, the flower buds turn from green to white, white on top and green on the bottom. The upper part is swollen but not yet open. According to the flowering period, the buds are picked during the second white stage. After picking, they are spread on baskets or bamboo baskets to dry in the sun or dried using drying equipment.

[0049] Embodiment 1:

[0050] The ecological planting method of honeysuckle and Apocynum venetum interplanting in the sandy land of the present embodiment comprises the following steps:

[0051] (1) Site selection: Choose a plot with high terrain, good ventilation, loose and fertile soil and compacted gravel or pebbles for planting. The thickness of the gravel or pebbles should be 15 to 25 cm.

[0052] (2) Transplantation of honeysuckle: Select honeysuckle seedlings with complete root systems, strong trunks, and heights of more than 30 cm. Soak the roots in rooting powder solution for 1 to 2 hours. After the soil thaws in late March to early April, remove the gravel and dig holes with a row spacing of 80 cm × 220 cm and a depth of 20 to 30 cm. Place the honeysuckle in the holes, one plant per hole, arrange its roots and fill with soil. When the soil fills most of the hole, gently lift the seedling upwards so that the roots and seedlings are in full contact with the soil. After lifting the seedling, compact it with your feet, then continue to fill and press the soil. Reserve a hole with a depth of 2 to 3 cm to facilitate water storage and moisture conservation. Lay a drip irrigation tape 5 to 10 cm away from the honeysuckle seedlings and water them within 2 days after transplanting.

[0053] (3) Water and fertilizer management of honeysuckle: After the soil thaws, apply bud fertilizer once in combination with irrigation, and apply 20-40 kg of compound fertilizer per mu; add phosphorus and potassium fertilizers at the bud stage, with a dosage of 50 grams per mu, diluted 800-1000 times and then sprayed for fertilizer; after the first batch of flowers are picked, apply irrigation and fertilizer, and apply 20-40 kg of compound fertilizer per mu to restore the growth of honeysuckle; after each batch of flower buds are harvested, apply fertilizer and water, and the application amount can be reduced by 5-20% compared with the first batch of flowers; irrigate once before the soil freezes, and irrigate again after the beginning of spring the following year;

[0054] (4) Honeysuckle shaping and pruning: including pruning at the seedling stage and pruning at the flowering stage, including:

[0055] Pruning at the seedling stage: 1 to 2 years after transplanting honeysuckle, select a strong upright branch from the new branches that sprout in spring as the main trunk for cultivation. When the main trunk grows to 25±2cm, pinch off the top to promote the sprouting of side branches, break off the leggy branches at the bottom, and promote the thickening of the main trunk year by year; after sprouting in the spring of the second year, select 4 to 5 strong side branches on the upper part of the main trunk as the main branches, and remove the leggy branches and weak branches in time; a good crown can be formed in 2 to 3 years, with a height of 1.5m and a crown width of 1.5m, which is convenient for picking;

[0056] Pruning during the flowering period: Honeysuckle enters the flowering season three years after transplanting. Continue to cultivate the trunk and expand the crown. Prune from late October to early November every year, cut off the densely growing branches, cross branches, diseased branches, drooping branches, long branches, and weak branches, retain the strong branches, and shorten the remaining branches to form multiple strong main and side branches. Prune them year by year to form a round head plant shape or a loose umbrella-shaped shrub type;

[0057] (5) Honeysuckle weeding: During the period of vigorous weed growth, use a special weeding machine for sand-pressed land to carry out inter-row weeding 1 to 2 times;

[0058] (6) Honeysuckle pest and disease control: Honeysuckle pest and disease control includes powdery mildew control, black spot control and aphid control, among which:

[0059] Powdery mildew control: In the early stage of the disease, spray 600 times of 75% thiophanate-methyl wettable powder or 800 times of 50% carbendazim wettable powder, once every 7 to 10 days, and spray 2 to 3 times continuously;

[0060] Black spot control: In the early stage of the disease, spray 70% mancozeb wettable powder 500 times or 50% thiophanate-methyl wettable powder 800 times, once every 7 to 10 days, and spray 2 to 3 times in succession;

[0061] Aphid control: When the disease occurs, spray with 2000 times of 10% imidacloprid wettable powder or 2000 times of 50% pirimicarb wettable powder, once every 7 to 10 days, and spray 2 to 3 times continuously;

[0062] (7) Harvesting honeysuckle: From late May to mid-June, the flower buds turn from green to white, white on top and green on the bottom, and the upper part swells but has not yet opened. According to the flowering period, the flowers are picked at the second white stage. After picking, they are spread on baskets or bamboo baskets to dry in the sun or dried using drying equipment;

[0063] (8) Transplantation of Apocynum venetum: Select Apocynum venetum root seedlings and soak them in rooting powder solution for 1 to 2 hours before planting. In late March to early April, select a honeysuckle field that has been transplanted for more than 2 years. Use manual or mechanical methods to dig a row of furrows between the rows of honeysuckle, spread gravel to the soil, dig holes with a spacing of 100 cm and a depth of 15 to 20 cm, place one root seedling in each hole, then fill the soil so that all the root seedlings are buried in the soil, and tamp it down. Water within 2 days after transplanting.

[0064] (9) Prevention and control of diseases of Lophatherum gracile:

[0065] Prevention and control of leaf spot: When leaf spot occurs during the growth period of Apocynum venetum, spray 1000 times of 10% difenoconazole for prevention and control, spray again after 10 days, and remove the diseased plants in time to reduce the source of infection;

[0066] (10) Harvesting of Lophatherum gracile: Pick fresh leaves in September every year, dry them or make tea. In October, when the seeds are mature, harvest them and store them in a ventilated and dry place.

[0067] Embodiment 2:

[0068] The ecological planting method of intercropping honeysuckle and rhubarb on sandy land of this embodiment is different from that of comparative document 1 in that: in step (8), two rows of furrows are dug between the rows of honeysuckle manually or mechanically, with a row spacing of 60 cm.

[0069] Embodiment 3:

[0070] The ecological planting method of intercropping honeysuckle and rhubarb on sandy land of this embodiment is different from that of comparative document 1 in that: in step (8), three rows of furrows are dug between the rows of honeysuckle manually or mechanically, with a row spacing of 50 cm.

[0071] Table 1. Effect of honeysuckle interplanting with Apocynum venetum on growth indexes in Examples 1 to 3 in medium-pressure sandy land

[0072]

[0073] As shown in Table 1, different interplanting methods have different effects on the plant height and strip length of honeysuckle. At the beginning of the growing season, the plant height and strip length values ​​of the 2-row interplanting treatment were the largest, with values ​​of 89.67 cm and 43.33 cm, respectively, which were 3.46% and 5.38% higher than those of the CK interplanting; the plant height and strip length values ​​of the 3-row interplanting treatment were the smallest, only 83.00 cm and 35.33 cm; the difference between the 2-row interplanting and the 3-row interplanting reached a significant difference (P<0.05); the values ​​of plant height and strip length of different treatments showed: 2-row interplanting>1-row interplanting>CK interplanting>3-row interplanting. At the end of the growing season, the plant height and strip length values ​​of the 2-row treatment were also the largest, with values ​​of 97.00 cm and 50.33 cm, respectively, which were 6.59% and 4.85% higher than those of the CK treatment; the plant height and strip length values ​​of the 3-row treatment were also the smallest, only 86.67 cm and 45.33 cm; the difference between the 2 and 3 sets was significant (P<0.05); the plant height and strip length values ​​of different treatments showed: 2-row>CK>1-row>3-row. It can be seen that the 2-row treatment has a promoting effect on the growth of honeysuckle.

[0074] Table 2. Effect of honeysuckle interplanting with Apocynum venetum on photosynthetic indexes in Examples 1 to 3

[0075]

[0076] As shown in Table 2, different interplanting methods have different effects on the net photosynthetic rate (Pn), transpiration rate (Tr), stomatal conductance (Gs), intercellular CO2 concentration (Ci) and SPAD of honeysuckle leaves. The Pn values ​​of honeysuckle leaves under different treatments showed the trend of interplanting 2 rows > interplanting 1 row > interplanting CK > interplanting 3 rows, and the value of interplanting 2 rows was the largest, which was 5.00umol·m ～2 ·s ～1 , compared with CK (2.57umol·m ～2 ·s ～1 ) increased by 0.95 times, and the difference with other treatments was significant (P<0.05); the value of the set 3-row treatment was the lowest, only 2.53umol·m ～2 ·s ～1 The Tr values ​​of honeysuckle leaves in different treatments showed a trend of: set 2 rows > set CK > set 3 rows > set 1 row, and the differences among the four treatments were not significant (P>0.05). The Gs values ​​of honeysuckle leaves in different treatments also showed a trend of: set 2 rows > set CK > set 3 rows > set 1 row, and the differences among the four treatments were not significant (P>0.05). The Ci value of honeysuckle leaves in the set 3 row treatment was the lowest, only 256.67 μmol·mol ～1 , and reached significant differences with the other treatments (P<0.05). The SPAD values ​​of honeysuckle leaves under different treatments showed a trend of: 2-row set > CK set > 1-row set > 3-row set. The value of the 2-row set treatment was the largest, at 51.57, which was 0.11 times higher than that of the CK set, and the differences with the other treatments were significant (P<0.05). It can be seen that the 2-row set treatment promoted the photosynthesis of honeysuckle.

[0077] Table 3. Effect of honeysuckle interplanting with apocynum venetum on yield and quality in Examples 1 to 3 in medium-pressure sandy land

[0078]

[0079] As shown in Table 3, different intercropping methods have different effects on honeysuckle yield. The total yield of honeysuckle under different treatments showed a trend of: 2-row intercropping > 1-row intercropping > 3-row intercropping > CK intercropping. The value of the 2-row intercropping treatment was the largest, at 78.26 kg / mu, which was 57.85% higher than that of the CK treatment. The difference between the two was significant (P<0.05); the difference between the 1-row intercropping and the 3-row intercropping was not significant (P>0.05). It can be seen that intercropping can increase the yield of honeysuckle, and the 2-row intercropping treatment can significantly increase the yield of honeysuckle.

[0080] Different intercropping methods have different effects on the quality of honeysuckle. The chlorogenic acid content of honeysuckle with different treatments showed a trend of: intercropping 1 row > intercropping 2 rows > intercropping 3 rows > CK. The value of intercropping 1 row treatment was the highest, at 3.72%, an increase of 15.17% over CK; the value of intercropping 3 rows treatment was 3.43%, an increase of 6.2% over CK. Under this intercropping mode, the content of chlorogenic acid far exceeded the 1.5% content in the pharmacopoeia. It can be seen that the intercropping method of Apocynum venetum can increase the content of chlorogenic acid in honeysuckle.

[0081] Through the above three embodiments, it is verified that based on the yield growth index, photosynthetic index, yield index and quality index of honeysuckle, intercropping of honeysuckle with two rows of apocynum venetum is more beneficial, and the effect of improving the quality and efficiency of sand-pressed land is obvious. Table 4 is a comparison of the economic benefits of intercropping of honeysuckle with two rows of apocynum venetum in sand-pressed land, and the per mu output value is increased by 70.37% compared with the control.

[0082] Table 4. Comparison of economic benefits of honeysuckle interplanting with Apocynum venetum in medium-pressure sandy land of Example 2

[0083]

[0084] Note: The economic benefits are calculated based on 120 yuan / kg for honeysuckle, 20 yuan / kg for apocynum venetum leaves and 200 yuan / kg for apocynum venetum seeds.

[0085] It should be noted that the embodiments described herein are only partial embodiments of the present invention, rather than all implementations of the present invention, and the embodiments are only exemplary, and their role is only to provide a more intuitive and clear way to understand the content of the present invention, rather than to limit the technical solutions described in the present invention. Without departing from the concept of the present invention, all other implementation methods that can be thought of by ordinary technicians in this field without creative work, and other simple replacements and various changes to the technical solutions of the present invention, all belong to the protection scope of the present invention.

Claims

1. An ecological planting method for interplanting honeysuckle and apocynum venetum on sandy land, characterized in that: The following steps are involved: (1) Site selection: Choose a plot with high terrain, good ventilation, loose and fertile soil and compacted gravel or pebbles. The thickness of the gravel or pebbles should be 15 to 25 cm. (2) Transplantation of honeysuckle: Select honeysuckle seedlings with complete root systems, strong trunks, and heights of more than 30 cm. Soak the roots in rooting powder solution for 1 to 2 hours. After the soil thaws in late March to early April, remove the gravel and dig holes with a row spacing of 80 cm × 220 cm and a depth of 20 to 30 cm. Place the honeysuckle in the holes, one plant per hole, arrange its roots and fill with soil. When the soil fills most of the hole, gently lift the seedling upwards so that the roots and seedlings are in full contact with the soil. After lifting the seedling, compact it with your feet, then continue to fill and press the soil. Reserve a hole with a depth of 2 to 3 cm to facilitate water storage and moisture conservation. Lay a drip irrigation tape 5 to 10 cm away from the honeysuckle seedlings and water them within 2 days after transplanting. (3) Water and fertilizer management of honeysuckle: After the soil thaws, apply bud fertilizer once in combination with irrigation, and apply 20-40 kg of compound fertilizer per mu; add phosphorus and potassium fertilizers at the bud stage, with a dosage of 50 grams per mu, diluted 800-1000 times and then sprayed for fertilizer; after the first batch of flowers are picked, apply irrigation and fertilizer, and apply 20-40 kg of compound fertilizer per mu to restore the growth of honeysuckle; after each batch of flower buds are harvested, apply fertilizer and water, and the application amount can be reduced by 5-20% compared with the first batch of flowers; irrigate once before the soil freezes, and irrigate again after the beginning of spring the following year; (4) Honeysuckle shaping and pruning: including pruning at the seedling stage and pruning at the flowering stage, including: Pruning at the seedling stage: 1 to 2 years after transplanting honeysuckle, select a strong upright branch from the new branches that sprout in spring as the main trunk for cultivation. When the main trunk grows to 25±2cm, pinch off the top to promote the sprouting of side branches, break off the leggy branches at the bottom, and promote the thickening of the main trunk year by year; after sprouting in the spring of the second year, select 4 to 5 strong side branches on the upper part of the main trunk as the main branches, and remove the leggy branches and weak branches in time; a good crown can be formed in 2 to 3 years, with a height of 1.5m and a crown width of 1.5m, which is convenient for picking; Pruning during the flowering period: Honeysuckle enters the flowering season three years after transplanting. Continue to cultivate the trunk and expand the crown. Prune from late October to early November every year, cut off the densely growing branches, cross branches, diseased branches, drooping branches, long branches, and weak branches, retain the strong branches, and shorten the remaining branches to form multiple strong main and side branches. Prune them year by year to form a round head plant shape or a loose umbrella-shaped shrub type; (5) Honeysuckle weeding: During the period of vigorous weed growth, use a special weeding machine for sand-pressed land to carry out inter-row weeding 1 to 2 times; (6) Honeysuckle pest and disease control: Honeysuckle pest and disease control includes powdery mildew control, black spot control and aphid control, among which: Powdery mildew control: In the early stage of the disease, spray 600 times of 75% chlorothalonil wettable powder or 800 times of 50% carbendazim wettable powder, once every 7 to 10 days, and spray 2 to 3 times continuously; Black spot control: In the early stage of the disease, spray 70% mancozeb wettable powder 500 times or 50% thiophanate-methyl wettable powder 800 times, once every 7 to 10 days, and spray 2 to 3 times in succession; Aphid control: When the disease occurs, spray with 2000 times of 10% imidacloprid wettable powder or 2000 times of 50% pirimicarb wettable powder, once every 7 to 10 days, and spray 2 to 3 times continuously; (7) Harvesting honeysuckle: From late May to mid-June, the flower buds turn from green to white, white on top and green on the bottom, and the upper part swells but has not yet opened. According to the flowering period, the flowers are picked at the second white stage. After picking, they are spread on baskets or bamboo baskets to dry in the sun or dried using drying equipment; (8) Transplantation of Apocynum venetum: Select Apocynum venetum root seedlings and soak them in rooting powder solution for 1 to 2 hours before planting. In late March to early April, select a honeysuckle field that has been transplanted for more than 2 years. Use manual or mechanical methods to dig two rows of furrows between the rows of honeysuckle, with a row spacing of 60 cm. Move gravel to the soil, dig holes with a spacing of 100 cm between plants, and a depth of 15 to 20 cm. Place one root seedling in each hole, then fill the soil so that all the root seedlings are buried in the soil, and tamp it down. Water the holes within 2 days after transplanting. (9) Prevention and control of diseases of Lophatherum gracile: Prevention and control of leaf spot: When leaf spot occurs during the growth period of Apocynum venetum, spray 1000 times of 10% difenoconazole for prevention and control, spray again after 10 days, and remove the diseased plants in time to reduce the source of infection; (10) Harvesting of Lophatherum gracile: Pick fresh leaves in September every year, dry them or make tea. In October, when the seeds are mature, harvest them and store them in a ventilated and dry place.

2. The ecological planting method of interplanting honeysuckle and apocynum venetum in sandy land as claimed in claim 1, characterized in that: The trunk diameter of the honeysuckle selected in step (2) is not less than 0.5 cm.

3. The ecological planting method of interplanting honeysuckle and apocynum venetum in sandy land as claimed in claim 1, characterized in that: The compound fertilizer in the step (3) is N-P-K 15-15-15 compound fertilizer.

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