Application of cassia pinnatifida and vetch in annual coverage of orchard green manure
By adopting the annual coverage method of feathered Cassia and Light Leaf Vagina in the orchard, the problem of competition between fruit trees and weeds is solved, soil nutrient improvement and fruit yield increase is achieved, management costs are reduced, and the ecological and economic benefits of the orchard are improved.
Patent Information
- Application Number
- CN202510817933.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-18
- Publication Date
- 2025-07-29
AI Technical Summary
Weeds in orchards compete with fruit trees for nutrients, moisture and sunshine, breeding diseases and pests. Traditional artificial weeding methods are costly, affecting the growth and yield of fruit trees, and organic fertilizers are prone to breeding weed pests.
The method of covering the green manure anniversary of the orchard by feather Cassia and light-leaf Vagina in the orchard is adopted. The method of sowing the feather Cassia in late April and mowing it, and sowing the light-leaf Vagina in late October to form a dominant crop, and the annual cycle of natural germination is inhibited, and weed growth is increased and soil nutrients are increased.
Effectively inhibit weed growth, increase soil quality and fruit yield, reduce labor costs, and improve fruit quality and economic benefits.
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Figure CN120380958A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of agricultural planting, and particularly to the application of Chamaecrista nictitans (L.) Moench and Vicia villosa Roth in the annual coverage of green manure in orchards. Background Art
[0002] There is a large space under the fruit trees in the orchard. During the annual growth process of the fruit trees, weeds are likely to grow in the row spacing. The weeds compete with the fruit trees for nutrients, water and sunlight, breed pests and diseases, and seriously affect the normal growth, development and yield of the fruit trees. The yield and quality of the fruits of the fruit trees are closely related to the application of fertilizers. Applying organic fertilizers can greatly improve the taste of the fruits, but the application cost is too high, and the organic fertilizers contain grass seeds and insect eggs, which are likely to breed weeds and increase pests.
[0003] Traditionally, the method of artificially planting short-growing-season crops in the row spacing of fruit trees is adopted. This mode requires a large amount of labor costs. Moreover, after the previous crop is harvested, the subsequent crop cannot form a dominant crop in time, and manual weeding and other methods are still needed, which increases the orchard cost and affects the overall economic benefit of the orchard.
[0004] Therefore, there is an urgent need to develop a new strategy for the annual coverage of green manure in orchards that is low-cost and can remove weeds and increase yields. Summary of the Invention
[0005] In order to improve the quality of the orchard and reduce the management cost of the orchard, the present invention provides the application of Chamaecrista nictitans (L.) Moench and Vicia villosa Roth in the annual coverage of green manure in orchards. The method for the annual coverage of Chamaecrista nictitans (L.) Moench-Vicia villosa Roth in the orchard provided by the present invention can inhibit the growth of weeds, increase the soil quality, provide more green ecological nutrients for the orchard, and improve the fruit yield and quality.
[0006] A method for the annual coverage of green manure in an orchard includes the following steps: The application of Chamaecrista nictitans (L.) Moench and Vicia villosa Roth in the annual coverage of green manure in an orchard, and the method for the annual coverage of green manure in an orchard includes the following steps: Sow Chamaecrista nictitans (L.) Moench in late April, and the seeding rate is 500 g / mu to 750 g / mu. When the plant height of Chamaecrista nictitans (L.) Moench is 80 cm to 100 cm, mow it, and the stubble height after mowing is 20 cm to 30 cm.
[0007] Sow Vicia villosa Roth in late October, and the seeding rate is 3.0 kg / mu to 4.0 kg / mu.
[0008] The above application means that when covering the orchard with green manure throughout the year, it can inhibit the growth of weeds and increase the soil nutrient content.
[0009] Preferably, the sowing method of the Chamaecrista nictitans (L.) Moench is drilling.
[0010] Preferably, the row spacing of the drilling is 25 cm to 30 cm.
[0011] Preferably, the seeding rate of Cassia mimosoides is 600 g / mu; the seeding rate of Vicia villosa Roth is 3.5 kg / mu.
[0012] Preferably, the seeding method of Vicia villosa Roth is broadcasting.
[0013] Preferably, the mowing method is row-by-row mowing.
[0014] Preferably, the weeds are Gramineae weeds or broad-leaved weeds.
[0015] Preferably, the soil nutrient content refers to the content of organic matter, total nitrogen, available phosphorus or available potassium in the soil.
[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: The present invention provides the application of Cassia mimosoides and Vicia villosa Roth in the annual coverage of orchard green manure. The method for the annual coverage of orchard green manure includes the following steps: sowing Cassia mimosoides in late April, with a seeding rate of 500 g / mu to 750 g / mu, mowing when the plant height of Cassia mimosoides is 80 cm to 100 cm, and the stubble height after mowing is 20 cm to 30 cm; sowing Vicia villosa Roth in late October, with a seeding rate of 3.0 kg / mu to 4.0 kg / mu; the application means that during the annual coverage of orchard green manure, it can inhibit the growth of weeds and increase the soil nutrient content. The method for the annual coverage of orchard green manure used in the present invention forms dominant crops by planting leguminous green manure in two seasons in the first year, and later through natural germination and annual cycle, it improves the content of organic matter, total nitrogen, available potassium and available phosphorus in the soil, increases the soil quality, can effectively maintain the soil stability, and has a significant effect on water and moisture retention; the coverage period of Cassia mimosoides can effectively reduce the number and fresh weight of Gramineae and broad-leaved weeds, and the inhibition rate of Gramineae weeds in the peach orchard reaches 69.88% to 75.00%, and 74.19% to 87.84% for broad-leaved weeds; the coverage period of Vicia villosa Roth can effectively reduce the number and fresh weight of Gramineae and broad-leaved weeds, and the inhibition rate of Gramineae weeds in the peach orchard reaches 76.06% to 85.71%, and 70.21% to 77.78% for broad-leaved weeds; it shows that the method of the present invention can effectively reduce the weed biomass, affect the weed community structure in the orchard, and inhibit the growth of weeds. In addition, after the roots and other tissues of Cassia mimosoides and Vicia villosa Roth wither and decay under the soil, it can achieve the effect of artificial deep plowing. The mowed and withered and decayed stems and leaves above the ground can be converted into soil nutrients, providing more green ecological nutrients for the orchard, improving the fruit yield and quality. Through the annual coverage planting of green manure, the fruit tree yield can be increased by 6.69% to 14.96%.
[0017] This method allows the inter-row green manure to achieve annual coverage by germinating in the second year after natural shedding of mature seeds. By planting leguminous green manure in double cropping in the first year to form dominant crops, and then through natural germination for annual circulation, it can effectively inhibit weed growth, maximize the reduction of orchard labor costs, and provide organic fertilizer sources for the soil through nitrogen fixation by leguminous crop root nodules and natural decay of crop straws, thereby improving the economic and ecological benefits of the orchard. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.
[0019] Figure 1 It is a diagram showing the growth situation of Vicia villosa during the coverage period of the present invention.
[0020] Figure 2 It is a diagram showing the growth situation of Cassia rotundifolia during the coverage period. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0021] To facilitate the understanding of the present invention, the following will provide a more comprehensive description of the present invention and give preferred embodiments thereof. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.
[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present invention belongs. The terms used in the description of the present invention herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention.
[0023] The inventive concept of the present invention is as follows: There is a large space under the fruit trees in the orchard. During the annual growth process of the fruit trees, weeds are likely to grow in the row spacing. Weeds compete with the fruit trees for nutrients, water, and sunlight, breed pests and diseases, and seriously affect the normal growth, development, and yield of the fruit trees. The yield and quality of the fruit of the fruit trees are closely related to the application of fertilizers. Applying organic fertilizers can greatly improve the taste of the fruit, but the application cost is too high, and organic fertilizers contain grass seeds and insect eggs, which are likely to breed weeds and increase pests.
[0024] Traditionally, the method of manually planting short-growing-season crops in the row spacing of fruit trees is adopted. This mode requires a large amount of labor costs. Moreover, after the previous crop is harvested, the subsequent crop cannot form a dominant crop in time, and manual weeding and other methods are still needed, increasing the orchard cost and affecting the overall economic benefits of the orchard.
[0025] Based on this, the present invention provides the application of Cassia mimosoides Linn. and Vicia villosa Roth in the annual coverage of orchard green manure. The method for the annual coverage of orchard green manure includes the following steps: Sow Cassia mimosoides Linn. in late April, with a seeding rate of 500 g / mu to 750 g / mu, and cut it when the plant height of Cassia mimosoides Linn. reaches 80 cm to 100 cm, with a stubble height of 20 cm to 30 cm left after cutting; Sow Vicia villosa Roth in late October, with a seeding rate of 3.0 kg / mu to 4.0 kg / mu; The application refers to being able to inhibit weed growth and increase the soil nutrient content during the annual coverage of orchard green manure.
[0026] Sow Cassia mimosoides Linn. in rows in late April. When the soil moisture is good, Cassia mimosoides Linn. emerges around May 5th. Cut it when the plant height of Cassia mimosoides Linn. reaches 80 cm to 100 cm, with a stubble of 20 cm to 30 cm left after cutting. It enters the full-bloom stage around September 5th, and the fruits mature from October 10th to 15th. After maturity, the fruits gradually fall off naturally; Sow Vicia villosa Roth in late October. When sowing, Cassia mimosoides Linn. is in the withered and yellow stage. Cassia mimosoides Linn. shades and conserves soil moisture for the seeds of Vicia villosa Roth, promoting the germination and growth of the seeds of Vicia villosa Roth. Cassia mimosoides Linn. becomes a seedling in November. The leaves and seeds of Cassia mimosoides Linn. basically completely fall off around October 31st. In February of the following year, the stems of Cassia mimosoides Linn. provide support for the growth of Vicia villosa Roth, promoting the growth of Vicia villosa Roth. Vicia villosa Roth enters the full-bloom stage on April 15th, the plants gradually wither on April 30th, and the seeds mature and naturally drop around May 10th. The green manure between rows in this method can achieve annual coverage through natural dropping of mature seeds and germination in the following year. By planting leguminous green manure in two seasons in the first year to form dominant crops, and then through natural germination in the later stage for annual circulation, it can better inhibit weed growth, maximize the reduction of orchard labor costs, provide organic fertilizer sources for the soil through nitrogen fixation by leguminous crop root nodules and natural decay of straw, achieve an increase in fruit tree yield, and improve the economic and ecological benefits of the orchard.
[0027] The purchase sources of the materials used in the present invention: Cassia mimosoides Linn. is provided by the post experts of the Green Manure Industry Technology System, and the seeds of Vicia villosa Roth are provided by Gushi Huizhilv Seed Industry Co., Ltd.
[0028] The experiment of the present invention is located under the peach orchard in Guihualing, Longgu Township, Huangchuan County. This place is 8 km away from the south bank of the Huaihe River, belonging to the temperate monsoon climate with distinct seasons, and the average annual temperature is 15.1°C to 15.3°C; It has abundant rainfall, with an average annual precipitation of 900 to 1400 mm; The air is humid, and the average relative humidity is 77%. The orchard soil is yellow clay soil, with a heavy texture, poor permeability, and strong water and fertilizer retention capacity. The basic soil fertility of the peach orchard: organic matter 23.53 g / kg, total nitrogen 1.68 g / kg, available phosphorus 57.9 mg / kg, available potassium 151.67 mg / kg, pH 6.5. The plant spacing of the experimental peach orchard is 1.8 m, the row spacing is 4 m. It is a three-year-old tree in the initial fruiting stage, with a yield of 400 kg to 500 kg per mu.
[0029] Example 1: A year-round mulching method for green manure in an orchard.
[0030] (1) On April 25, the Cassia pinnatifida was sown in rows at a sowing rate of 500 g / mu; the Cassia pinnatifida was mowed in alternate rows when the plant height was 80 cm, leaving a stubble of 20 cm; the sowing method of the Cassia pinnatifida was row sowing; the row spacing of the row sowing was 25 cm.
[0031] (2) On October 15, the glossy vetch was sown at a sowing rate of 3 kg / mu; the sowing method of the glossy vetch was broadcasting.
[0032] The growth of glossy vetch during the covering period is as follows Figure 1 As shown in the figure, the growth of Cassia pinnata during the covering period is as follows Figure 2 shown.
[0033] Example 2: A year-round mulching method for green manure in an orchard.
[0034] (1) On April 25, the Cassia pinnatifida was sown in rows at a sowing rate of 600 g / mu; the Cassia pinnatifida was mowed in alternate rows when the plant height reached 90 cm, leaving a stubble of 25 cm; the sowing method of the Cassia pinnatifida was row sowing; the row spacing of the row sowing was 25 cm.
[0035] (2) On October 15, the glossy vetch was sown at a sowing rate of 3.5 kg / mu; the sowing method of the glossy vetch was broadcasting.
[0036] Example 3: A year-round mulching method for green manure in an orchard.
[0037] (1) On April 25, the Cassia pinnatifida was sown in rows at a sowing rate of 750 g / mu; the Cassia pinnatifida was mowed in alternate rows when the plant height reached 100 cm, leaving a stubble of 30 cm; the sowing method of the Cassia pinnatifida was row sowing; the row spacing of the row sowing was 25 cm.
[0038] (2) On October 15, the glossy vetch was sown at a sowing rate of 4 kg / mu; the sowing method of the glossy vetch was broadcasting.
[0039] Example 4: A year-round mulching method for green manure in an orchard.
[0040] (1) On April 28, the Cassia pinnatifida was sown in rows at a sowing rate of 500 g / mu; the Cassia pinnatifida was mowed in alternate rows when the plant height was 80 cm, leaving a stubble of 20 cm; the sowing method of the Cassia pinnatifida was row sowing; the row spacing of the row sowing was 27 cm.
[0041] (2) On October 18, the glossy vetch was sown at a sowing rate of 3 kg / mu; the sowing method of the glossy vetch was broadcasting.
[0042] Example 5. A Method for Annual Coverage of Green Manure in Orchards (1) On April 28th, Cassia rotundifolia was sown in rows, with a seeding rate of 600 g / mu; when the plant height of Cassia rotundifolia reached 90 cm, it was cut in an alternate row pattern, leaving a stubble of 25 cm; the sowing method of Cassia rotundifolia was row sowing; the row spacing of the row sowing was 27 cm.
[0043] (2) On October 18th, Vicia villosa Roth was sown, with a seeding rate of 3.5 kg / mu; the sowing method of Vicia villosa Roth was broadcast sowing.
[0044] Example 6. A Method for Annual Coverage of Green Manure in Orchards (1) On April 28th, Cassia rotundifolia was sown in rows, with a seeding rate of 750 g / mu; when the plant height of Cassia rotundifolia reached 100 cm, it was cut in an alternate row pattern, leaving a stubble of 30 cm; the sowing method of Cassia rotundifolia was row sowing; the row spacing of the row sowing was 27 cm.
[0045] (2) On October 18th, Vicia villosa Roth was sown, with a seeding rate of 4 kg / mu; the sowing method of Vicia villosa Roth was broadcast sowing.
[0046] Example 7. A Method for Annual Coverage of Green Manure in Orchards
[0047] (1) On April 30th, Cassia rotundifolia was sown in rows, with a seeding rate of 500 g / mu; when the plant height of Cassia rotundifolia reached 80 cm, it was cut in an alternate row pattern, leaving a stubble of 20 cm; the sowing method of Cassia rotundifolia was row sowing; the row spacing of the row sowing was 30 cm.
[0048] (2) On October 20th, Vicia villosa Roth was sown, with a seeding rate of 3 kg / mu; the sowing method of Vicia villosa Roth was broadcast sowing.
[0049] Example 8. A Method for Annual Coverage of Green Manure in Orchards
[0050] (1) On April 30th, Cassia rotundifolia was sown in rows, with a seeding rate of 600 g / mu; when the plant height of Cassia rotundifolia reached 90 cm, it was cut in an alternate row pattern, leaving a stubble of 25 cm; the sowing method of Cassia rotundifolia was row sowing; the row spacing of the row sowing was 30 cm.
[0051] (2) On October 20th, Vicia villosa Roth was sown, with a seeding rate of 3.5 kg / mu; the sowing method of Vicia villosa Roth was broadcast sowing.
[0052] Example 9. A Method for Annual Coverage of Green Manure in Orchards
[0053] (1)On April 30, Cassia rotundifolia was sown in drills, with a seeding rate of 750 g / mu; when the plant height of Cassia rotundifolia reached 100 cm, it was cut in an alternate row pattern, leaving a stubble of 30 cm; the sowing method of Cassia rotundifolia was drilling; the row spacing of the drilling was 30 cm.
[0054] (2)On October 20, Vicia villosa was sown, with a seeding rate of 4 kg / mu; the sowing method of Vicia villosa was broadcasting.
[0055] Experimental Example 1 The effects of Cassia rotundifolia and Vicia villosa as green manure covers on soil nutrient content, weed quantity and fresh weight were studied using the annual green manure covering method for orchards described in Examples 1 to 9. The effects produced by Examples 1 - 9 were similar. For the convenience of subsequent discussion and reference, the experimental results of Example 1 were taken as the standard. The relevant test methods and test results are as follows:
[0056] 6. Nutrient content of the soil during the covering periods of Cassia rotundifolia and Vicia villosa 7. Test method The treatment without green manure cover was used as the control group, and the annual covering of Vicia villosa - Cassia rotundifolia described in Example 1 was used as the treatment group. The weed quantity of the test was investigated on June 5, 2023, August 15, 2023, and September 27, 2023 respectively; soil samples during the covering period of Cassia rotundifolia were collected on September 27, 2023; plant samples at the full - bloom stage of Cassia rotundifolia were collected on August 20, 2023, and plant samples at the mature stage of Cassia rotundifolia were collected on October 25, 2023. The weed quantity of the test during the covering period of Vicia villosa was investigated on December 5, 2023, February 7, 2024, and March 5, 2024; soil samples during the covering period of Vicia villosa were collected on May 15, 2024; plant samples at the full - bloom stage of Vicia villosa were collected on April 15, 2024, and plant samples at the mature stage of Vicia villosa were collected on May 15, 2024.
[0057] 8. Test results The following are the nutrient contents of the soil after the orchard green manure covers during the covering periods of Cassia rotundifolia and Vicia villosa.
[0058] Table 1 Nutrient content of the 20 - cm soil after the orchard green manure cover during the covering period of Cassia rotundifolia Note: Different letters in the same column indicate significant differences among different treatments, P <0.05.
[0059] Table 2 Nutrient content of the 20 - cm soil after the orchard green manure cover during the covering period of Vicia villosa Note: Different letters in the same column indicate significant differences among different treatments,P <0.05。
[0060] Table 3 Fresh grass yield and nutrient accumulation of Vicia villosa Roth - Cassia rotundifolia As can be seen from Table 1, the soil organic matter and total nitrogen content were significantly increased during the coverage period of Cassia rotundifolia; as can be seen from Table 2, the soil organic matter, total nitrogen, and available potassium content were significantly increased; as can be seen from Table 3, the nutrient accumulation of Vicia villosa Roth and Cassia rotundifolia plants can provide a large amount of nutrients for the soil through decomposition and returning to the field. The above results show that the method of the present invention can effectively increase the soil nutrient content, and after the plants decompose and return to the field, more green ecological nutrients can be provided for the orchard.
[0061] II. Weed quantity and fresh weight during the coverage period of Cassia rotundifolia and Vicia villosa Roth 9. Test method Taking the treatment without green manure coverage as the control group, and taking the annual coverage of Vicia villosa Roth - Cassia rotundifolia described in Example 1 as the treatment group.
[0062] 10. Test results The following are the weed quantity and fresh weight during the coverage period of Cassia rotundifolia and the coverage period of Vicia villosa Roth.
[0063] Table 4 Weed quantity and fresh weight during the coverage period of Cassia rotundifolia Note: “—” in the table indicates that there is no such item.
[0064] Inhibition rate = (number of weed plants in the control group - number of weed plants in Cassia rotundifolia) / number of weed plants in the control group.
[0065] Table 5 Weed quantity and fresh weight during the coverage period of Vicia villosa Roth Note: “—” in the table indicates that there is no such item.
[0066] Sow Cassia rotundifolia on April 30, 2023. Under good soil moisture conditions, Cassia rotundifolia emerges around May 5. Those with the need to return to the field can mow it from July 20th to 25th when the plant height of Cassia rotundifolia is 80 cm - 100 cm, leaving a stubble of about 25 cm. It enters the full - bloom stage around September 5. The seeds of Cassia rotundifolia mature from October 10th to 15th, and the fruits gradually fall off naturally after maturity; Vicia villosa Roth is sown from October 15th to 20th. When Vicia villosa Roth is sown, Cassia rotundifolia is in the withered and yellow stage. Cassia rotundifolia shades and conserves soil moisture for the seeds of Vicia villosa Roth, promoting the germination and growth of the seeds of Vicia villosa Roth. Cassia rotundifolia becomes seedlings in November. Around October 31st, the leaves and seeds of Cassia rotundifolia basically completely fall off. In February of the following year, the stems of Cassia rotundifolia provide support for the growth of Vicia villosa Roth, promoting the growth of Cassia rotundifolia. Vicia villosa Roth enters the full-bloom stage on April 15th and the plants gradually wither on April 30th. The seeds of Vicia villosa Roth naturally drop after ripening around May 10th. The results in Table 4 show that the coverage period of Cassia rotundifolia can effectively reduce the quantity and fresh weight of gramineous and broad-leaved weeds. The inhibition rate of gramineous weeds in the peach orchard reaches 69.88% - 75.00%, and the inhibition rate of broad-leaved weeds reaches 74.19% - 87.84%. The results in Table 5 show that the coverage period of Vicia villosa Roth can effectively reduce the quantity and fresh weight of gramineous and broad-leaved weeds. The inhibition rate of gramineous weeds in the peach orchard reaches 76.06% - 85.71%, and the inhibition rate of broad-leaved weeds reaches 70.21% - 77.78%. Therefore, the method of the present invention can effectively reduce the weed biomass, affect the weed community structure in the orchard, and inhibit the growth of weeds.
[0067] III. Yield of the Orchard during the Coverage Periods of Cassia rotundifolia and Vicia villosa Roth In the osmanthus orchard in Huangchuan County, Cassia rotundifolia and Vicia villosa Roth are planted for annual coverage between rows, effectively increasing the yield of peach trees and improving the production efficiency. The treatment without green manure coverage is the control group.
[0068] Table 6 Effects of Annual Coverage of Cassia rotundifolia and Vicia villosa Roth on Peach Yield and Economic Benefits (2023) Note: Different letters in the same column indicate significant differences among different treatments, P <0.05; “—” in the table indicates no such item.
[0069] The seeding rate of Vicia villosa Roth per mu is 3 kg, and the unit price is 16 yuan / kg. The seeding rate of Cassia rotundifolia per mu is 500 g, and the unit price is 30 yuan / kg. The cost of green manure seeds is 63 yuan, the cost of green manure planting and mowing is 50 yuan / mu, the weeding cost of the control is 150 yuan / mu, and the price of peaches is 7.0 yuan / kg.
[0070] Table 7 Effects of Annual Coverage of Cassia rotundifolia and Vicia villosa Roth on Peach Yield and Economic Benefits (2024) Note: Different letters in the same column indicate significant differences among different treatments, P <0.05; “—” in the table indicates no such item.
[0071] In 2024, the seeds of Cassia mimosoides and Vicia villosa Roth fell naturally in the previous year, without involving seed costs. The cost of green manure management and mowing was 50 yuan per mu, the cost of weed control for the control group was 150 yuan per mu, and the price of peaches was 7.0 yuan / kg.
[0072] Although the preferred embodiments of the present invention have been described, those skilled in the art can make additional changes and modifications to these embodiments once they learn the basic creative concepts.
[0073] Obviously, those skilled in the art can make various changes and deformations to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and deformations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention also intends to include these modifications and deformations.
Claims
1. Application of Cassia mimosoides L. and Vicia villosa Roth in annual coverage of orchard green manure, characterized in that, Method for annual coverage of green manure in orchard, comprising the following steps: Sow Cassia rotundifolia in late April, with a seeding rate of 500 g / mu to 750 g / mu, and mow when the plant height of Cassia rotundifolia reaches 80 cm to 100 cm, with a stubble height of 20 cm to 30 cm after mowing; Sow Vicia villosa var. glabrescens in late October, with a seeding rate of 3.0 kg / mu to 4.0 kg / mu; The application refers to the ability to inhibit weed growth and increase soil nutrient content during the annual coverage of green manure in the orchard.
2. The application according to claim 1, wherein The sowing method of the Cassia rotundifolia is drilling.
3. The application according to claim 2, characterized in that The row spacing of the drilling is 25 cm to 30 cm.
4. The application according to claim 1, characterized in that The seeding rate of the Cassia rotundifolia is 600 g / mu; the seeding rate of the Vicia villosa var. glabrescens is 3.5 kg / mu.
5. The application according to claim 1, characterized in that The sowing method of the Vicia villosa var. glabrescens is broadcasting.
6. The application according to claim 1, characterized in that The mowing method is row-by-row mowing.
7. The application according to claim 1, wherein The weeds are Gramineae weeds or broad-leaved weeds.
8. The application according to claim 1, wherein The soil nutrient content refers to the content of organic matter, total nitrogen, available phosphorus or available potassium in the soil.