600 results about "Intercropping" patented technology

The invention discloses a method for biologically remediating a water body and soil comprehensively utilizing resources. The method comprises the steps: (1), determining main pollutants in a selected land area or water body area; (2), selecting to plant and / or cultivate fast-growing herbaceous plants, fast-growing alga, trees, bushes, fungi or microorganisms with high remediation efficiency in the selected land area or water body area; (3), harvesting or collecting the fast-growing herbaceous plants and the fast-growing alga after growing to reach a suitable height or size; (4), concentratedly processing the harvested or collected fast-growing herbaceous plants and the fast-growing alga, and comprehensively utilizing to prevent the pollutants from dispersing; (5), remediating an eutrophic water body by adopting an artificial floating island; (6), remediating a heavy metal polluted water body by confining floating plants; (7), repairing cadmium and zinc polluted soil by mixed-cropping festuca arundinacea and bluegrass; (8), remediating polycyclic aromatic hydrocarbons (PAHs) polluted soil by mixed-cropping alfalfa and italian ryegrass; and (9), extracting and recovering silver from silver-containing wastewater remediation plants.

A method of combined intercropping and mulching of commercial crops is described herein. Suitable annuals such as young wheat and / or buckwheat plants are planted in soil in which legumes were originally planted. A portion of the resulting upper portions of young wheat and / or buckwheat plants is mowed and blended with organic debris to provide nutrients for intercropped commercial plants such as corn and soybeans. The remaining portion is chopped blended with organic debris and sprayed onto the top layer of seeded soil as combination mulch. For larger commercial applications, conventional agricultural machines are described herein, and are modified for the most efficient intercropping. For best results, at least one intercropped commercial plant should be a legume.

The invention relates to a planting method of Chinese trichosanthes, belonging to the technical field of plantation and comprising the steps of: variety breeding, seedling reproduction, transplanting, field management, disease and pest control, harvesting and processing, wherein the variety breeding step includes the sub-steps of the tests in different production places, amplification and verification tests, resistance test, field pest investigation and trichosanthes nematode control; the seedling reproduction step includes the sub-steps of seed reproduction and root reproduction; the transplanting step includes the sub-steps of land selection and preparation, ridging, reproduction and planting, planting method implementation and field management; the land selection and preparation step includes the sub-steps of detection on chemical characteristic of soil, basic fertilizer application and disinfection; the reproduction and planting step includes the sub-steps of seed bud selection, rood cutting and breeding, planting and shed putting up; the planting method implementation step includes the sub-steps of planning density control and staminiferous plant matching; the filed management step includes the sub-steps of intertillagement and weeding, top application, shed putting up, pruning and cold prevention, in particular to intertillagement and weeding, root airing, intercrop, earthing, vine supporting and racking, top application, pruning, flower and fruit protection, chemical control and foliage application; and the disease and pest control step includes the sub-steps of control of diseases and pest and control method implementation.

The invention discloses an underplanting method of traditional Chinese medicinal material radix tetrastigme. By the adoption of a hillside forest and pot culture intercropping planting mode, the method for carrying out underplanting of the traditional Chinese medicinal material radix tetrastigme on a large scale in the natural environment is established through the steps of forest land selection, soil selection, seedling selection, seedling culture, forest management, pest and disease integrated control and harvest. According to the method, abundant forest land resources are utilized to provide fields for forest and medicinal material intercropping, and the purposes of reducing planting cost and obtaining high-quality and high-yield radix tetrastigme tuberous roots are achieved by making full use of growing seasons based on the ecology-imitating planting principle; besides, the planting method is simple and low in cost.

The invention provides a planting method suitable for five-pointed star loquats. The method comprises the steps of orchard construction, fertilizer and water management, deep plowing of soil, drainage and irrigation and intercropping of a young orchard, shaping and pruning, flower and fruit retention and fruit management, pest control and prevention, soil management, shaping and pruning and fruit management. The planting method is beneficial for improving the internal nutrition quality of loquats, green and environmentally friendly, the quality is good, the fruit competition grade is improved, high quality and high yield are achieved, greening environment is achieved, and a traditional industry is revitalized.

A lotus root simple and laborsaving cultivation and loach intercropping method completes simple and laborsaving cultivation of lotus roots by the steps of plot design, selection of lotus root species, fixed planting in good time, field management, pest prevention and control, harvesting in good time and the like, and includes the loach intercropping steps: putting loaches in fields when more than 10 lotus root floating leaves and vertical leaves grow and the average height of the vertical leaves is more than 0.5 meter; breeding 5000-10000 loaches per mu; and putting special feed for the loaches at four corners of the fields in a fixed point manner. The method has the advantages that 40-mesh nylon gauze laid on the bottom layer is low in cost, economic and durable and can enable fibrils of the lotus roots to be connected with the stratum so that permeable and breathable performances are good, and soil fertilizers are high in utilization ratio; and the lotus roots are white naturally, good in quality, convenient to harvest and high in economic benefit. Besides, the loaches are intercropped by taking full advantages of water fertilizers of the lotus roots, the feed and fertilizer water for breeding the loaches promote growth and yield increase of the lotus roots, comprehensive development is carried out, and more than 6000 RMB production value per mu can be increased if more than 5000 loach fries are bred per mu.

The invention relates to a method for intercropping sorgho and sesbania on a saline and alkaline land, and the method comprises the following steps of: A, soil desalting and land preparation: desalting the plowed layer soil of the saline and alkaline land, leveling the land, fertilizing, and seeding; B, intercropping, wherein the intercropping row number ratio of the sorgho and the sesbania is 1:3, namely one row of the sorgho is intercropped with three rows of the sesbania, the row spacing of the sesbania and the sorgho is 25-30 cm, the row spacing of the sesbania is 33-35 cm, and the row spacing of the sorgho is 100-105 cm; C, field management: thinning or filling seedlings when the sorgho has 2-3 leaves and the sesbania has 3-4 leaves, and singling one strain in every hole; and D, harvesting: harvesting the sorgho 7-10 days before grains are mature, reaping stalks and seeds, and reaping the sesbania before the grains are mature and cracked. The method disclosed by the invention promotes the balanced yield increase of the sorgho and the sesbania by utilizing the advantage complementary action of a symbiotic system of the sorgho and the sesbania, reduces the fertilizer addition, effectively remits the nutrient pinch obstruction of the saline and alkaline land, alleviates the secondary salinization of soil and enhances the composite utilization ratio of the land.

The invention discloses a three-dimensional cultivation method for cortex phellodendri and rhizoma paridis interplanting. The three-dimensional cultivation method comprises the steps of cortex phellodendri planting, rhizoma paridis planting, field management, fertilization management, irrigation management and pest control. Interplanting is carried out in winter and spring, and a low-mountain yellow earth thick-layer three-dimensional land type is selected; cave-shaped soil preparation is adopted for cortex phellodendri, the height of each transplanted seedling is larger than or equal to 50 cm, and the ground diameter is larger than or equal to 1 cm; after ten to fourteen months of cortex phellodendri transplantation, rhizoma paridis transplantation is carried out, bedding is carried out between cortex phellodendri rows, tubers, with buds, of rhizoma paridis are transplanted to beds; a survey of the survival rate of the cortex phellodendri is carried out on the cortex phellodendri after two months of cortex phellodendri planting, a survey of the survival rate of the rhizoma paridis is carried out on the rhizoma paridis after six months of rhizoma paridis planting, and seedling supplement, weeding, soil loosening and pest control are carried out in time; when the overshadowing rate of the cortex phellodendri is lager than 65%, pruning or crossing or intermediate cutting is carried out to adjust the overshadowing rate; two times of top dressing are carried out in a growing season and in winter respectively, watering is carried out in time after planting is accomplished, watering is carried out in time in a dry season, and drainage needs to be smooth in a rainy season. According to the three-dimensional cultivation method for cortex phellodendri and rhizoma paridis interplanting, combined and targeted optimized cultivation of the cortex phellodendri and the rhizoma paridis is achieved, the yield of the cortex phellodendri and the yield of the rhizoma paridis are increased, quality of the cortex phellodendri and quality of the rhizoma paridis are improved, the economic benefit is remarkable, and the popularization and application value is high.

The invention relates to an interplant method of camellia oleifera and torreya grandis young growth. The interplant method of the camellia oleifera and the torreya grandis young growth is characterized in that peanut and upland rice are interplanted at intervals between the camellia oleifera and the torreya grandis young growth, and the peanut and the upland rice interchange positions in the nest year. The interplant method of the camellia oleifera and the torreya grandis young growth has the advantages that the upland rice provides shade for the camellia oleifera or the torreya grandis so that expense of sheltering nets is reduced, interplanted the upland rice and the peanut can store water and keep moisture for the torreya grandis young growth so as to avoid water and soil loss, the peanut provides nitrogen needed during in the early stage of production of the camellia oleifera by means of a biological nitrogen fixation function of the nodule bacteria so that nitrogenous fertilizer is saved, intercropping and crop rotation of the interplanted crop can not only avoid damage, caused by continuous cropping, to the soil but also have functions of restraining occurrence and spread of plant diseases and insect pests and isolation, tend is replaced with cultivation, weeds are restrained, management cost of the camellia oleifera or the torreya grandis is reduced, the utilization rate and the copping index of the forest land are improved and economic benefits are increased.

The invention discloses a three-time harvest cultivation method for intercropping of peppers and spring Chinese cabbages and multi-cropping of the peppers and winter asparagus lettuces in two seasons. According to the three-time harvest cultivation method, transition periods are reasonably scheduled: in the first season, the peppers and the spring Chinese cabbages are intercropped, specifically, the spring Chinese cabbages are sown firstly from early February to early March, the field planting of the spring Chinese cabbages is performed in the first ten days of the March to the first ten days of the April, and the spring Chinese cabbages appear on the market from the second ten days of the April to the end of the May; the peppers are sown from the first ten days of the February to the first ten days of the March, the field planting of the peppers is performed from the beginning of the April to the last ten days of the April, and the peppers appear on the market from the middle ten days of the July to the middle ten days of the October; in the second season, the winter asparagus lettuces are sown in the last ten days of the September; soil preparation, fertilization and filed planting are performed after the peppers are harvested in the last ten days of the October; the winter asparagus lettuces are harvested from the last ten days of the February of the next year to the first ten days of the March. As proper good varieties are selected and used, and a scientific intercropping method is adopted, the seedling raising manner is improved; the sowing time, the field planting period and the listing time are earlier; the intercropping plants are increased; the output and the production value are increased; not only is the market demand satisfied, but also the economic benefit is remarkably improved.

The invention relates to a novel cultivation technology for preventing and controlling banana fusarium wilt, which is characterized in that mixed planting of banana and Chinese chive is adopted and root exudate or residue putrilage of Chinese chive is used for inhibiting fusarium oxysporum f. sp. Cubense. The cultivation technology for preventing and controlling banana fusarium wilt by taking Chinese chive as a core comprises crop rotation and intercropping. The technology has low incidence for whether plantain or banana (Musa AAA Group Cavendish), even no disease, and is suitable for application in a large area.

The invention discloses an intercropping cultivation method of corn and rice beans, and relates to a cultivation method of the corn and the rice beans. The invention aims to solve the problems that accumulated temperature of a high latitude area in northeast is insufficient, the growth period is short, the yield and plant benefit are low, and the farming enthusiasm of peasant is poor under an existing planting pattern. The intercropping cultivation method comprises the steps of 1, plowing in autumn, harrowing and careful soil preparation; 2, selection of improved varieties; 3, seed treatment; 4, timely sowing and reasonable close planting; 5, field layout of intercropping cultivation method of the corn and the rice beans; 6, scientific field management; 7, timely harvest. According to the intercropping cultivation method disclosed by the invention, 2000 to 3000kg of clean production rice beans per hectare is increased under the situation that the yield of the corn is not reduced, the yield of crops and the benefits in a unit area are significantly improved, and the advantages of increasing production and increasing efficiency are obvious. The intercropping cultivation method of the corn and the rice beans is applied to the field of crop planting.

The invention discloses an in-situ remediation method for mining area watershed heavy metal pollution bottom sludge.The method includes the following steps that a slope wall is arranged; a bank side riverbed slope is leveled, and a layer of geotextile is laid on the bank side riverbed slope; the mining area watershed heavy metal pollution bottom sludge is obtained to be stirred and mixed with a heavy metal pollution restoration agent, and the mixture is laid on the geotextile and stabilized for a certain period of time to form a restoration bottom sludge layer; plants are planted on the restoration bottom sludge layer.By means of the method, on one hand, the problem of riverway pollution bottom sludge accumulation can be solved, and on the other hand, the problem of bottom sludge heavy metal pollution is effectively solved due to addition of a bottom sludge matrix restoration agent and combined planting of riverway plants.Besides, riverway landscape is attractive, and water quality is continuously and effectively improved.Plant intercropping is beneficial to restoration of bottom sludge polluted by heavy metal and stabilization of the slope, and soil and water loss is prevented.

The invention discloses a planting method of intercropping green manure for potatoes. The method includes the following steps that in earlier stage of planting the potatoes on ridges, leguminous green manure is planted in field ditches, the leguminous green manure is longwan 2 needle leaf pea or Turkmen vicia villosa, and after the leguminous green manure is harvested, stubbles are harvested or totally overturned and pressed to serve as green manure. According to the planting method of intercropping the green manure for the potatoes, the yield is increased and fertilizers are saved without affecting the yield of the potatoes.

The invention discloses a method for repairing a cadmium-polluted farmland by using corn and alfred stonecrop intercropping. The method comprises the following steps: (1) in the cadmium-polluted farmland soil, planting corn seedlings and alfred stonecrop seedlings by using an intercropping mode, dressing a nitrogen phosphorus and potassium compound fertilizer and an organic fertilizer for promoting the growth of the corn and alfred stonecrop; (2) within a week after dressing the fertilizers, spraying oilseed rape root extracting solution to the root of the alfred stonecrop, harvesting the alfred stonecrop regularly, and harvesting the corn after the corn is matured; the preparation process of the oilseed rape root extracting solution comprises the following steps: a, pounding the fresh oilseed rape root, soaking in water, heating and boiling for more than 1 h, cooling soaking liquid to the room temperature, and stewing for more than 24 h; and b, after stewing, separating solid and liquid, and taking a liquid phase which is the oilseed rape root extracting solution. The method is capable of realizing a corn and alfred stonecrop intercropping technology, through spraying the oilseedrape root extracting solution to the root of the alfred stonecrop, overcoming the problem in the prior art that the Cd content in the corn is still high after the corn and alfred stonecrop intercropping and the plant removal rate of Cd in the soil is not high.

The invention discloses a cotton high yield growing method by intercropping apricot and cotton along the circle of Tarim Basin. The invention aims at the apricot trees with the age of 5-10 years, an intercropping mode of 6*3M is adopted between the apricot trees and the cotton plants, so that the intercropped apricot trees and the cotton plants can use the sunshine, temperature, water, fertilizer and micro climate conditions completely during growth, the yield of apricot is equivalent with the intercropping mode of 4*2M and about 70% higher than the intercropping mode of 8*2M, the yield of ginned cotton is 230% higher than the intercropping mode of 4*2M and about 15% higher than the intercropping mode of 8*2M; the yield of ginned cotton produced by high yield growing technology is about 29% higher than that by a general method with the same intercropping mode, and the case of the apricot is about 6%. The method can bring the production potential to the full swing, vastly promoting the yields of apricot and cotton under the intercropping of apricot and cotton and ensure the quality of the cotton, thus boosting the great development of the local fruit and cotton production.

The invention discloses a method for intercropping Morchella esculenta in vineyard. The method includes the steps of grape planting and Morchella esculenta intercropping. To be specific, the grape planting includes building a greenhouse, sowing seeds, applying fertilizer, processing the seeds, planting grapes, managing and harvesting; the Morchella esculenta intercropping includes slotting and ridging, sowing seeds, managing after seed sowing and harvesting. According to the method, space under grape trellis is utilized fully and benefit of compound cultivation in the vineyard will be increased greatly by intercropping Morchella esculenta under the grape trellis.

The invention discloses a method for restoring slight and medium cadmium polluted soil by maize-capsicum intercropping, and relates to a polluted soil restoring method. Capsicum and maize with a genetic relationship are simultaneously planted in an intercropping mode, 2-6 rows of capsicum and 2 rows of maize are distributed in a field, the variety of the capsicum is mitaka pod pepper, and the variety of the maize is nugget honey. Field management and fertilization of crops are performed according to a single cropping method for the capsicum and the maize. The maize is harvested when the maize is ripe, and the capsicum is harvested when the capsicum is red. The cadmium content of the maize is reduced to a national regulated safe eating standard. The capsicum is used for extracting capsaicin and capsanthin for industries such as medical treatment, military affairs and cosmetics. Growth of the capsicum is promoted by maize-capsicum intercropping, the capsicum takes away a large amount of heavy metal from soil and is used for the non-food industry, the content of the heavy metal in the vegetable soil is reduced, and safety of agricultural products is guaranteed.

The invention discloses a high-yield cotton cultivation method. The high-yield cotton cultivation method includes the steps: using a constant value mode of 1.5m X 4m and 3m X 4m as spacing in the rows and spacing between rows of fruit trees in jujube-cotton intercropping; before cotton seeding, topdressing and irrigating for the first time on the last twenty days of March, implementing autumn ploughing and winter irrigation, and completing fertilization, land preparation and weed control before autumn ploughing; selecting high-quality seeds, and starting to seed on April 1st and April 5th , wherein seeding depth is 2-3cm, seeding rate is 60-75kg / hm2, 2-3 seeds are sown in each hole, and earthing depth is 1.0-1.5cm; starting final singling when one true leaf appears, intertilling timely, using mepiquat chloride 9 to control the plant height within a range of 65-70cm, and subjecting cotton to topdressing, irrigation, topping and collection; preventing pests such as tetranychus, aphid, thrips and cotton bollworm in jujube-cotton intercropping cropland. By means of the high-yield cotton cultivation method, land utilization rate is fully increased, adverse impact of jujubes on cotton intercropped with the jujubes is lessened, yield of intercropped cotton is maintained and improved, high yield and high efficiency of the cropland can be achieved finally, and consequently income increase is facilitated for farmers.

The invention relates to the technical field of crop cultivation, in particular to a tea tree and soybean intercropping method including the following steps of (1) sowing time, (2) sowing method, (3) managing and (4) harvesting, wherein sowing is carried out after spring tea is picked. Soybeans have the function of nodule bacterium nitrogen fixation and can be used as green manure, and soil is turned in the full-bloom stage with the combination of tea garden intertillage; when leaves of plants turn yellow and the soybeans are ripe and full, soybeans are harvested, and branches and trunks are turned and buried. By means of the technical scheme, the method has the advantages of increasing soil fertility, improving the soil structure for intercropping of summer soybeans in newly cultivated tea gardens, and enabling the content of organic matter in soil to be remarkably increased. Physical and chemical properties of the soil are good, the soil is loose, the soil hardness can be lowered, water-stable aggregate structures are increased, and beneficial biological communities in the soil are increased.

The invention discloses an intercropping planting method of corn plants, tomato plants and pole bean plants and belongs to the field of crop cultivation methods. The corn plants and the tomato plants are intercropped every other ridge first, the width of the broad ridge is 80-90cm, the corn plants are planted with the row space of 40-45 cm and the plant space of 30-35cm, the width of the narrow ridge is 60-70 cm, and the tomato plants are planted with the row space of 30-35cm and the plant space of 30-35cm. The pole bean plants and the corn plants, and the pole bean plants and the tomato plants are intercropped within rows, and one pole bean plant is planted between every two corn plants and between every two tomato plants. The planting proportion of the corn plants, the tomato plants and the pole bean plants is 1:1:2. When the tomato plants grow to the height of 35-40cm, steel supports are arranged between two lines of the tomato plants of the narrow ridge and 1.0m above the ground, the supports support the tomato plants and the pole bean plants, and the supports used for supporting the pole bean plants and the costs are saved. The planting method fully takes advantage of the land and space resource, the three crops are well-proportioned and interact with one another, the leguminous plants fix nitrogen, the chemical fertilizers and the pesticides are saved, the planting cost is saved, the pressure of the nitrogenous fertilizer overuse to the environment is reduced, and the yield is increased on the limited land.

The invention discloses a planting method of relieving continuous cropping obstacles and controlling pest and disease damage through intercropping of different hot pepper species, and belongs to the technical field of agricultural planting. According to the method, the intercropping of hot pepper with different growth height, disease resistance and pest resistance is carried out; the selected pepper species have the growth height differences, and the sequential cyclic intercropping is carried out according to the growth heights of the hot pepper; the ridge width of a land piece is 170cm, the furrow width is 30cm, and the depth is 25cm; six lines are arranged in each ridge, the line distance is 34cm, and the hole distance is 25 to 30cm; different species of hot pepper are intercropped on each ridge. The planting method has the advantages that the yield and the quality of the hot pepper are improved. The continuous cropping obstacles of the hot pepper can be effectively relieved through the intercropping culture of the hot pepper with different species, the continuous planting of the hot pepper throughout the year can be realized, the soil utilization rate is improved, and soil resources are saved. Meanwhile, the prevention and treatment effect of hot pepper epidemic diseases reaches 76 to 89 percent, the prevention and treatment effect on hot pepper helicoverpa assulta reaches 73 to 91 percent, the production quality safety of the hot pepper and the agricultural ecological environment safety are ensured, and the goals of efficiency increase, yield improvement and income increase are reached.

A corn and peanut complex three-dimensional ecological intercropping planting method relates to a planting method for corns and peanuts. The corn and peanut complex three-dimensional ecological intercropping planting method can solve the problems that in the mode of long continuous cropping of corns and peanuts, straw reapplication is difficult, planting is out-off-balance, physic and chemical properties of soil deteriorate, pests and diseases become serious, the investment is increased but the yield is not increased, row spacing configuration is not reasonable during the conventional intercropping between the corns and the peanuts, and the utilization of light and heat resources is low. The method includes the following steps of: 1) good seed selection; 2) land selection and soil preparation; 3) soil testing and formulated fertilization; 4) field arrangement optimization; 5) seeding and reasonable close planting; 6) fine field management; 7) straw reapplication; and 8) crop rotation, fallowing and land maintaining. Many years of tests show that the yield of the corns can be increased by 2.0% to 8.0% more than that of the conventional planting method; compared with the conventional planting method, the yield of the peanuts can be increased by 1800 to 2200 Kg / hectare in average. The corn and peanut complex three-dimensional ecological intercropping planting method can be applied to the field of crop planting.

The invention provides a method for bletilla striata and evodia rutaecarpa intercropping. The method comprises the steps of soil selection, land preparation, selection of interplanting bletilla striata crude medicine variety, planting of evodia rutaecarpa, seedling transplanting, weeding and fertilization, pest control, nutrient and water management, management of the bletilla striata growing period in the next year, management of the evodia rutaecarpa growing period in the next year, bletilla striata harvesting and evodia rutaecarpa harvesting and the like. According to the intercropping method, bletilla striata and evodia rutaecarpa are planted in a staggered mode, the planting cost is greatly reduced, the two traditional Chinese medicines can be harvested by managing a piece of land, fertilizer and water are saved, and the method is green and environmentally friendly.

The invention provides a neem-tea tree-chamaecrista rotundifolia three-dimensional intercropping tea garden pest control method which solves the problems that in a tea garden, pests are rampant, and management is difficult. The method mainly comprises the steps that chamaecrista rotundifolia is planted in tea rows in an intercropping mode in the tea garden from April to June, neems are planted in tea rows in the tea garden, at a mountain top, on a hummock, beside a road and beside and around a ditch in a three-dimensional-intercropping mode from July to October, and a neem-tea tree-chamaecrista rotundifolia three-layer structure is formed. The neems and the chamaecrista rotundifolia are planted in the tea garden in an intercropping mode, the ecological condition of the tea garden is improved, soil fertility is improved, the tea garden biodiversity is protected, used and recovered, tea garden pests can be continuously controlled, tealeaf quality can be obviously improved, tealeaf yield is improved, good economic benefit, ecological benefit and social benefit are achieved, and the stable and sustainable development of the tea industry in China can be promoted. The method is easy to implement and convenient to operate, and great application and promotion prospect is achieved.

The invention discloses a method for improving inland saline alkali soil by virtue of interplanting jerusalem artichoke and oat. The method comprises the following steps of: (1) performing land leveling in autumn, applying organic fertilizers, desulfuration gypsum and a chemical modifier and performing winter irrigation; (2) applying chemical fertilizers in spring, and performing rotary tillage and rake leveling; (3) interplanting and seeding at an interval of three rows of jerusalem artichoke and 10 rows of oat, wherein seed tuber seeding is adopted for the jerusalem artichoke; the jerusalem artichoke plant quantity per mu is controlled at 3000 plants, and the oat seeding quantity is 10kg / mu; (4) cultivating and weeding as well as hilling during a period that the main stem of jerusalem artichoke has 7 to 8 leaves, and spraying a herbicide before sealing ridges of the oat so as to control field weeds; and (5) starting harvesting oat seeds at the stage of milky ripeness, and starting harvesting underground stem tuber of the jerusalem artichoke when leaves of the jerusalem artichoke start turning yellow in the middle ten days of October, wherein the straws of oat are utilized as silage, and the straws of jerusalem artichoke are utilized as feedstuff. According to the method, the complementation of advantage effects of the jerusalem artichoke and the oat is utilized, so that mutualism and joint yield increase are realized; the jerusalem artichoke and the oat adsorb saline matters in the soil simultaneously and fertilize the soil, so that the saline-alkali harms are reduced.

The invention relates to a tea-oil tree planting method. The tea-oil tree planting method comprises the following steps of selection of planted land, selection of good tea-oil tree seeds, planting, young plant management and protection, mature plant tending management, forest land reclamation, forest land weeding, forest land intercropping, forest land fertilization, mature plant pruning, prevention and control of tea-oil tree disease and inset pests and harvesting. Comprehensive, systematic and scientific planting is adopted from tea-oil tree land selection ad planting to field control at allstages in growth, so that the tea-oil tree survival rate is high, the adaptability of tea-oil trees is good, advanced fruit bearing can be achieved, the problems of later fruit bearing, low benefit,low yield and the like are solved, the economic output of tea-oil tree land is high, industrial development of tea-oil trees in our country is promoted, the self-sufficiency degree of edible vegetableoil in our country can be improved, and a demonstration prototype is provided for large-scale establishment of a tea-oil tree production base.

The invention discloses a broad bean and corn intercropping method and belongs to the field of crop cultivation methods. The method mainly relates to intercropping of the broad bean and the corn, wherein, emergence of seedlings of the broad bean is 10-20 days earlier than that of the corn, the broad bean and the corn are intercropped at a row ratio of 2:2 and at a row spacing from 28cm to 32cm. The method can help realize the purpose of simultaneously improving yield of the broad bean and biological nitrogen fixation amount, avoid the disadvantages of low yield of a leguminous crop which is cropped separately; secondly, the method can greatly reduce manually applied nitrogen fertilizer to save the plantation cost, and relieve the pressure on the environment due to nitrogen fertilizer abuse; furthermore, the method can adequately utilize indigenous rhizobium to avoid a degeneration problem of artificially inoculated strains, reduce operation steps such as inoculation and the like and save the inoculation cost.

The invention discloses a method for biologically improving hardened and salinized soil through intercropping and interplanting of sainfoin and four-wing saltbush. The method comprises the following steps of step 1, enabling sainfoin seeds to be soaked in hydrogen peroxide for 5 to 15 minutes and enabling four-wing saltbush seeds to be soaked in a monopotassium phosphate solution for 12 to 24 hours; step 2, ditching every 80 to 120 cm on the hardened and salinized soil land, broadcasting a layer of straw scraps, filling a layer of rake thickness of backfill soil, broadcasting a layer of organic fertilizer, backfilling rest of the rake thickness of backfill soil to form ridges and performing film coating on the ridges for 7 to 10 days, wherein the width of every ditch is 30 cm; step 3, dividing every ridge into two rows to sow, wherein the sainfoin is sown on one row and the four-wing saltbush is sown on the other row. According to the method for biologically improving the hardened and salinized soil through the intercropping and interplanting of the sainfoin and the four-wing saltbush, the hardened and salinized soil can be improved within 1 to 2 years, the complete infiltration can be achieved 1 to 2 days after flood irrigation, the surface is free of obvious water accumulation layer, and the desalination rate of the soil reaches 4.8 to 16.7%.