CN113079977A

CN113079977A - Method for interplanting Russian fodder vegetable under forest in mountain area

Info

Publication number: CN113079977A
Application number: CN202110356665.6A
Authority: CN
Inventors: 李茜; 刘松涛; 毛晓利; 何俊; 孙兆军; 李辉; 吕雯; 潘新宇
Original assignee: Ningxia University
Current assignee: Ningxia University
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-07-09
Anticipated expiration: 2041-04-01
Also published as: CN113079977B

Abstract

The invention discloses a method for interplanting Russian fodder vegetable under forests in mountainous areas, and belongs to the technical field of farming and pasturing cultivation. The method for planting Russian feed vegetables under the forest comprises the following steps: deeply ploughing soil, applying base fertilizer, densely planting and cultivating 2500-3000 plants per mu, and performing field management. The cultivation method provided by the invention can ensure the nutritional requirements in the growth process of the Russian forage vegetable, avoid mutual competition for nutrients with forest trees, simultaneously improve the ecological microclimate of the forest land and the microbial ecology of the soil by understory intercropping crops, increase the ground coverage, reduce the evaporation of the water in the soil, be beneficial to keeping water and soil, fully utilize land resources, exert the comprehensive benefits of the land, be an effective way for increasing the income of forest farmers, simultaneously solve the problem of serious soil loss in mountain areas, and take both the ecological benefits and the economic benefits into consideration.

Description

Method for interplanting Russian fodder vegetable under forest in mountain area

Technical Field

The invention relates to the technical field of farming and pasturing cultivation, in particular to a method for interplanting Russian fodder vegetable under forests in mountainous areas.

Background

The mountainous area has complex terrain and variable climate, ground substances and soil are very sensitive to erosion, and soil erosion is easily caused by frequent manual activities. Due to the deep soil layer, the deep cutting under the trench, the active extension of the trench head and the expansion of the trench slope, loose texture and poor structure, the soil layer is easy to cause the effusion and the trench erosion. In addition, mountainous areas have variable climates, drought and rain are less, evaporation is strong, the occurrence and development degree of soil erosion is indirectly influenced by natural vegetation types mainly comprising hay vegetation and the like, and in addition, the natural vegetation types are still in a deteriorated state under the influence of global warming in recent years, the occurrence of sand-dust weather is aggravated, and wind erosion harm tends to be aggravated. The mountainous terrain generally has a convex middle part, and various terrains such as a river, a ditch, a tableland, a platform, a ditch, a palm, a slope and the like are distributed in a staggered way, so that the ground surface fluctuation is large, and the water and soil loss is aggravated. Based on such complex terrain, environmental climate and other factors, the vegetation coverage in mountainous areas is low, and the low vegetation coverage aggravates the problem of water and soil loss. In order to solve the problem of serious water and soil loss in mountainous areas, in recent years, large-area returning of cultivation to mountainous areas is carried out, but the purpose of comprehensive coverage is far from being achieved, so that the returning of cultivation and returning of grass need to be combined to solve the problem of low vegetation coverage in mountainous areas, but the mountainous areas are areas with extreme water shortage, common pasture grass is difficult to survive in such a severe environment, the planting survival rate is very low, and the roots of the pasture grass cannot penetrate deep into the soil even after the pasture grass is planted and survived, so that the purpose of effectively fixing the soil cannot be achieved.

Russian fodder vegetable is a fasciculate perennial herb, growing in mounds or clusters. The plant height is 30-90 cm, and the flower stem can reach about 1 m. Fleshy root system is developed, and the main root is thick and strong. The root neck is big, and a plurality of sprouts and leaves can be germinated. The stem has strong regenerative power. The forage vegetable has developed leaves, including root cluster leaves and stem growing leaves, and the leaves are fat, tender and juicy. The leaves are banded, in a shape of needles, ovate, to ovate, rough in leaf surface and provided with seta; the basal leaves are rosette-shaped, have long stems, and the leaves at the middle part and the upper part of the stem are smaller and have no stems. The top of the stem or the top of the branch is a poly-umbrella unlimited inflorescence, and the flowers grow in clusters; the corolla is cylindrical; the flowering period is 5-10 months.

Russian feed vegetables favor warm and humid climates. Strong stress resistance and tillering capability. The root system can live through winter in a low-temperature area of minus 40 ℃. The requirements on soil are not strict, water drainage is smooth, and soil with deep soil layers or sandy soil is optimal. The growth is fastest at the temperature of 20-25 ℃; when the temperature is more than or equal to 20 ℃, the water content of the soil is 70-80% of the field water capacity, and the average daily growth can reach more than 3 cm. The developed root system can effectively absorb and utilize the moisture in the deep soil, so the drought resistance is strong. After the 2 nd year of planting, the green turning is early, the closing is fast, the coverage of the leaves is high, and weeds are difficult to grow and propagate. The Russian feed vegetable is perennial root plant, has long service life, is planted once and can be gained for a long time. The water content and soil structure in the growing environment affect the rate of emergence and the composition of nutrient components of Russian fodder vegetable. However, how to increase the survival rate of russian fodder vegetables under mountainous forests and increase the content of nutrient components of the russian fodder vegetables, and further solve the problems of serious water and soil loss and low economic income of mountainous forests, is a technical problem to be solved urgently at present.

Disclosure of Invention

The invention aims to provide a method for interplanting Russian feed vegetables under mountainous forests, which aims to solve the problems in the prior art, improve the survival rate of the Russian feed vegetables and further improve the coverage of mountainous vegetation, realize the mass planting of the Russian feed vegetables and achieve the purposes of water retention and soil fixation.

In order to achieve the purpose, the invention provides the following scheme:

the invention provides a method for interplanting Russian fodder vegetable under mountainous area forests, which comprises the following steps:

(1) land preparation: deeply ploughing the land before planting, applying farmyard manure, leveling the soil, digging planting holes, performing water retention treatment, and applying microbial manure;

(2) transplanting Russian feed vegetables: cutting the roots of Russian fodder vegetable into segments and transplanting;

(3) and (5) performing field management after planting.

Further, the depth of the deep ploughed land is 30-50 cm.

Further, the application amount of the farmyard manure is 1000-1300 kg/mu; the application amount of the microbial fertilizer is 200-500 g per planting hole; the strains in the microbial fertilizer comprise: bacillus subtilis, bacillus mucilaginosus, bacillus licheniformis, mycorrhizal fungi and aspergillus oryzae.

Furthermore, the water retention treatment method comprises the steps of soaking crushed corncobs and leaves, mixing and applying the mixture to planting holes, wherein the thickness of the mixture is 1/3-1/2 of the depth of the planting holes.

Furthermore, the width of the corncobs is 0.5-1 cm, the length of the corncobs is 1-2 cm, and the leaves are powdery; the mass ratio of the corncobs to the leaves is 1: 1-1: 5.

Further, the processing method of the Russian feed vegetable comprises the following steps: healthy Russian feed vegetable roots are selected and cut into 5-7 cm long root sections, the root sections with the diameter of 1.2-1.5 cm are longitudinally cut into two pieces, the root sections with the diameter of more than 1.5cm are vertically cut into four pieces, and a layer of plant ash is adhered to the cut.

Further, soaking the cut Russian fodder vegetable roots in the mixed nutrient solution for 60-120 min, and transplanting.

Further, the mixed nutrient solution comprises the following components: 150-fold solution of indolebutyric acid, 300-fold solution of cytokinin, 150-fold solution of sodium naphthaleneacetate, 1mol/L of monopotassium phosphate, 1mol/L of potassium nitrate, 1mol/L of calcium nitrate and 1mol/L of magnesium sulfate; according to the volume ratio of 400: 200: 400: 1: 5: 5: 2 mixing to obtain the mixed nutrient solution.

Furthermore, the rhizomes soaked in the mixed nutrient solution are transplanted after pregermination treatment.

Furthermore, the planting density of the Russian feed vegetable is 2500-3000 plants/mu.

The invention discloses the following technical effects:

in order to overcome the problem of low pasture planting survival rate caused by lack of water source in mountainous areas, the water-retaining treatment is carried out on the soil during planting, so that the effective utilization of water is achieved, and the planting survival rate of Russian feed vegetables is remarkably improved. Meanwhile, the microbial fertilizer is added before planting, can promote the root growth of Russian feed vegetables, can improve the early spring disease resistance, drought resistance and cold resistance of vegetation, more importantly can improve soil hardening, stimulate soil activity and provide extra hormones and antibiotics for natural plant growth, so that the root system of the vegetation is developed, the absorption capacity is enhanced, the immunity and the resistance of the vegetation are improved, fungi and nematodes in the soil and plant root diseases and insect pests can be inhibited, and the yield increasing effect is obvious.

According to the method, the roots and stems of the Russian feed vegetables are soaked in the mixed nutrient solution, so that certain nutrient substances required for growth are provided for the Russian feed vegetables, the growth of the roots of the Russian feed vegetables is effectively promoted, the purpose of rapid growth after transplanting is achieved, the Russian feed vegetables can better absorb water and nutrient substances in soil, and the survival rate of vegetation is improved. Furthermore, the rhizomes soaked in the nutrient solution are sterilized, so that diseases caused by germs such as fusarium, rhizoctonia solani and pythium are avoided, the germs harm beneficial bacteria in the microbial fertilizer is avoided, the vegetation can grow healthily after the sterilization treatment, and a better living environment is provided for the beneficial bacteria in the microbial fertilizer.

Generally, healthy roots and stems are selected for direct transplanting and planting of Russian fodder vegetables, mixed nutrient solution soaking treatment and sterilization treatment are carried out on the Russian fodder vegetables, germination acceleration treatment is carried out on the Russian fodder vegetables, the roots and the stems after the germination acceleration treatment do not need to be subjected to a germination process for a long time in soil, the roots and the stems can grow rapidly after being transplanted, the phenomenon that the roots and the stems die directly in the soil due to poor growth environment is avoided, and the survival rate of the Russian fodder vegetables planted in mountain forests with extreme water shortage is effectively improved.

The invention establishes a Russian feed vegetable efficient regeneration system by taking healthy roots and stems of Russian feed vegetables as explants, and the method for seedling breeding is simple, convenient, efficient and stable, has rich material sources and little endophyte pollution, can obtain a large amount of seedlings with excellent germplasm and unified characters in a short time, and provides a powerful guarantee for standard and large-scale interplanting of Russian feed vegetables. The Russian feed vegetable planted by the invention belongs to perennial plants, can be cultivated once and can be used forever, thereby effectively reducing the influence of personnel activities on the environment and simultaneously solving the problem that common pasture cannot grow well in the shade of trees.

The Russian fodder vegetable is strong in stress resistance and wide in adaptability, can be interplanted in mountainous areas and under forests and also in orchards, can fully utilize water and fertilizer in the orchards to grow quickly, can inhibit weed growth due to the fact that the Russian fodder vegetable is large in leaves and high in canopy density, reduces management cost of the orchards, and greatly improves economic benefits of the orchards. The fertilizer can also grow on poor soil such as sand blown by the wind and the like, can be used as forage grass and plays a role in sand fixation, has remarkable economic and ecological benefits, and can be widely popularized and applied.

Detailed Description

Reference will now be made in detail to various exemplary embodiments of the invention, the detailed description should not be construed as limiting the invention but as a more detailed description of certain aspects, features and embodiments of the invention.

It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Further, for numerical ranges in this disclosure, it is understood that each intervening value, between the upper and lower limit of that range, is also specifically disclosed. Every smaller range between any stated value or intervening value in a stated range and any other stated or intervening value in a stated range is encompassed within the invention. The upper and lower limits of these smaller ranges may independently be included or excluded in the range.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Although only preferred methods and materials are described herein, any methods and materials similar or equivalent to those described herein can be used in the practice or testing of the present invention. All documents mentioned in this specification are incorporated by reference herein for the purpose of disclosing and describing the methods and/or materials associated with the documents. In case of conflict with any incorporated document, the present specification will control.

It will be apparent to those skilled in the art that various modifications and variations can be made in the specific embodiments of the present disclosure without departing from the scope or spirit of the disclosure. Other embodiments will be apparent to those skilled in the art from consideration of the specification. The specification and examples are exemplary only.

As used herein, the terms "comprising," "including," "having," "containing," and the like are open-ended terms that mean including, but not limited to.

The "parts" in the present invention are in parts by weight unless otherwise specified.

Example 1

A method for interplanting Russian fodder vegetables under mountainous forests comprises the following steps:

preparation of a mixture of corncobs and leaves: crushing the corncobs into small sections with the width of 0.5cm and the length of 1cm, and soaking the small sections in water for 3 days; pulverizing leaves, and soaking in water for 1 d; then mixing the water-containing corncobs and leaves according to the weight ratio of 1:1 to obtain a corncob and leaf mixture.

Preparing a microbial fertilizer: uniformly mixing waste fruits and wheat straws in a weight ratio of 1:10, and adding water to enable the water content to be about 50% to prepare a biological organic matrix; adding beneficial microorganism bacterium liquid into the substrate, wherein the concentration of the microorganism bacterium liquid is 10⁸cfu/mL, the adding amount of the microbial liquid is as follows: 2mL/kg of substrates of bacillus subtilis, 1mL/kg of substrates of bacillus mucilaginosus, 2mL/kg of substrates of bacillus licheniformis, 1mL/kg of substrates of mycorrhizal fungi and 2mL/kg of substrates of aspergillus oryzae; and uniformly mixing the substrate and the microbial liquid, and fermenting and culturing at 30 ℃ for 15 days to obtain the microbial fertilizer.

Preparing mixed nutrient solution; 150-fold solution of indolebutyric acid, 300-fold solution of cytokinin, 150-fold solution of sodium naphthaleneacetate, 1mol/L of monopotassium phosphate, 1mol/L of potassium nitrate, 1mol/L of calcium nitrate and 1mol/L of magnesium sulfate; according to the volume ratio of 400: 200: 400: 1: 5: 5: 2 mixing to obtain the mixed nutrient solution.

(1) On the premise of not damaging the trees, a small-sized plow harrow is used, the roots and stems of the trees are used as the center, the area with the radius of 0.9m is used for cultivating, the deep ploughing is carried out for 30cm, the deep ploughing is not suitable for the deep ploughing near the stems of the trees, farmyard manure is uniformly scattered when the ploughing is ploughed, the application amount is 1000 kg/mu, and the plow harrow is broken and leveled; digging a planting hole with the depth of 15cm at the plant row spacing of 60 multiplied by 50cm, scattering 800g of a mixture of corncobs and leaves into the planting hole, and applying 300g of microbial fertilizer for later use.

(2) Digging two-year-old Russian fodder vegetable root tuber, selecting healthy Russian fodder vegetable root tuber, cutting into 5cm long root section, longitudinally cutting 1.2cm diameter root section into two pieces, vertically cutting 1.5cm diameter root section into four pieces, and soaking the cut root in mixed nutrient solution for 60 min. Soaking the soaked Russian fodder vegetable rhizome in 75% alcohol for 15s in a super clean workbench, soaking in 0.1% mercuric chloride solution for 1min, and washing with sterile water for 3-4 times. Then uniformly placing the Russian fodder vegetable roots on soil, covering with 20cm thick straws and heat preservation films, culturing for 10 days, and transplanting.

(3) Placing the germinated seedling root in planting hole, covering with soil, and watering.

(4) Management of field

Intertillage weeding: after planting, irrigation needs to be carried out for one time under the irrigation condition. In order to improve the emergence rate, artificial soil hardening breaking is carried out after the planting for about 10 days. When the seedlings grow to 6-8 cm, the 1 st intertillage weeding is carried out, and the 2 nd intertillage weeding is carried out before row sealing. The forage vegetable belongs to perennial herbs, the forage vegetable grows faster in the second year, the leaves can basically cover the ground surface to inhibit the growth of weeds, and no intertillage is needed after the second year.

Fertilizing and irrigating: the Russian fodder vegetable has developed root system and dense stems and leaves, and can be harvested for 3-5 crops within 1 year according to the water and fertilizer conditions, so sufficient fertilizer needs to be supplemented, and heavy fertilizer needs to be applied for 1 time respectively before the spring green turning and after the growth stops in winter. Harvesting and topdressing are combined generally, after each harvest, 10-15 kg/mu of ammonium sulfate is applied, or decomposed farmyard manure is applied between rows.

Example 2

The difference from example 1 is that no corncob and leaf mixture was added in step (1).

Example 3

The difference from example 1 is that no leaves are added in step (1).

Example 4

The difference from example 1 is that no microbial fertilizer is added in step (1).

Example 5

The difference from example 1 is that the microbial fertilizer in step (1) does not contain bacillus subtilis and bacillus licheniformis.

Example 6

The difference from example 1 is that the mixed nutrient solution of step (2) does not contain cytokinin, sodium naphthalene acetate, calcium nitrate and potassium nitrate.

Example 7

The difference from example 1 is that the mixed nutrient does not contain cytokinin, zeatin and forchlorfenuron in the step (2).

Example 8

The difference from example 1 is that the soaking time in the mixed nutrient solution in step (2) is 120 min.

Example 9

The difference from example 1 is that the corn cob and leaves mixture in step (1) is replaced with a 5-layer chitosan film.

Example 10

(2) Digging two-year-old Russian fodder vegetable root tuber, selecting healthy Russian fodder vegetable root tuber, cutting into 5cm long root segments, cutting 1.2cm diameter root segments into two pieces, vertically cutting 1.5cm diameter root segments into four pieces, and adhering a layer of plant ash at the cut.

(3) Placing the germinated rhizome in planting hole, covering with soil, and watering.

(4) Management of field

Example 11

The difference from example 10 is that the cut part of the rhizome in step (2) is not covered with plant ash.

Example 12

(2) Digging two-year-old Russian fodder vegetable root tuber, selecting healthy Russian fodder vegetable root tuber, cutting into 5cm long root segments, longitudinally cutting 1.2cm diameter root segments into two pieces, vertically cutting 1.5cm diameter root segments into four pieces, soaking the cut root stems in mixed nutrient solution for 60min, and adhering a layer of plant ash at the cut position.

(4) Management of field

Observing the emergence rate of the Russian fodder vegetable after planting for 10 days, and recording the indexes of yield, plant height, leaf length, leaf width, nutrient content and the like of the Russian fodder vegetable after 45 days.

The germination rates of Russian forage vegetables in examples 1-12 were counted, and the results are shown in Table 1.

TABLE 1

Examples	Russia feed vegetable emergence rate (%)
		Example 1	96
Example 2	70
		Example 3	75
Example 4	82
		Example 5	85
Example 6	86
		Example 7	84
Example 8	98
		Example 9	95
Example 10	80
		Example 11	74
Example 12	89

As can be seen from the emergence rates of the embodiment 1 and the embodiment 2 in the table 1, the water retention treatment is carried out on the soil, the problem that the trees compete for water with the Russian fodder vegetable is effectively solved, the water requirement of vegetation in the initial growth stage is ensured, and the emergence rate of the Russian fodder vegetable is effectively improved. By combining the addition of the microbial fertilizer, the soil structure is effectively improved, the soil activity is excited, and the early spring disease resistance, drought resistance and cold resistance of the vegetation are improved, so that the root system of the vegetation is developed, the absorption capacity is enhanced, the immunity and the resistance of the vegetation are improved, and simultaneously, fungi, nematodes and plant root diseases and insect pests in the soil can be inhibited. The method combines the means of soaking the rhizome in the nutrient solution to further provide required nutrient substances for the germination and growth of the rhizome, and carries out sterilization and pregermination treatment, thereby avoiding the destructive effect of pathogenic bacteria carried by vegetation on microbial manure flora, avoiding the problem of long germination time of the rhizome in soil, effectively combining the measures to solve the problem of low survival rate of Russian fodder vegetable planted in arid mountainous areas, and achieving the purpose of increasing both production and income. The emergence rate of example 8 is higher than that of example 1 because the Russian forage grass rhizome in example 8 is soaked in the mixed nutrient solution for a longer time, and the nutrient components for growth are more sufficient.

The bacillus subtilis can enhance the stress resistance of plants and has the nitrogen fixation function; the bacillus mucilaginosus can dissolve phosphorus, release potassium and fix nitrogen, and secrete a plurality of enzymes at the same time, so that the resistance of crops to some diseases is enhanced; the bacillus licheniformis has the capability of resisting diseases and killing harmful germs; the mycorrhizal fungi can enlarge the absorption surface of the root system and increase the absorption capacity of elements (particularly phosphorus) outside the absorption range of the original root hairs; aspergillus oryzae can make the organic matter in the straw become the nutrition needed by the growth of plants, improve the organic matter of the soil and improve the soil structure. The invention mixes the microorganisms according to a certain proportion to prepare the microbial fertilizer, which not only effectively improves the nitrogen fixation capacity of the plant, but also promotes the absorption of the plant to nutrient substances, and can achieve the aim of killing harmful germs, and can decompose corn cobs and leaves with the water retention function, thereby providing more nutrient substances for the plant. From the emergence rates of the russian forage vegetables in the examples 1 and 5, the emergence rate of the bacterial manure containing the above 5 microorganisms is obviously higher than that of the bacterial manure containing the 3 microorganisms, and therefore, the technical scheme of the bacterial manure containing the 5 microorganisms is more beneficial to improving the emergence rate of the russian forage vegetables.

The indolebutyric acid in the invention is mainly used for promoting the cutting rooting of plants, and particularly has obvious rooting effect. However, indolebutyric acid induces roots that are fine and long, and cytokinins further promote plant cell division and differentiation in a certain direction. The rapid division can cause the cell division of the plant to be too fast, and the root tip is too thin and too long, so that the plant is more stout by matching with certain sodium naphthalene acetate to promote the growth of the plant. And the emergence rate of the Russian forage grass is obviously improved by adding the inorganic nutrients. This is seen from examples 1 and 6, where the addition of part of the nutrients is omitted, the rate of emergence is significantly reduced.

The yield of Russian fodder vegetables in each crop in examples 1-12 was counted, and the results are shown in Table 2.

TABLE 2

Examples	Yield per crop (kg/mu)	Plant height (cm)	Leaf length (cm)	Leaf width (cm)
					Example 1	3827	54.2	51.8	24.2
Example 2	1747	47.2	45.8	20.8
					Example 3	2149	46.5	45.1	20.5
Example 4	2847	49.5	47.6	21.2
					Example 5	3205	51.7	49.2	23.2
Example 6	3598	51.8	49.5	23.1
					Example 7	3144	50.2	48.1	21.5
Example 8	4125	54.5	52.2	24.6
					Example 9	3812	54.0	51.5	23.9
Example 10	2547	49.1	46.9	21.5
					Example 11	2058	45.1	44.4	20.1
Example 12	3514	52.8	50.1	23.5

The content of the nutrient content in the dry russian feed vegetable leaves in examples 1 to 12 (based on 100g of dry russian feed vegetable leaves) was measured, and the results are shown in table 3.

TABLE 3

According to the method, water retention treatment is carried out on the planted vegetation in the planting process, the emergence rate of the Russian feed vegetable is obviously improved, the nutrient components in the microbial fertilizer and the water retention material are fully utilized, and the nutrient component content of the Russian feed vegetable is obviously improved through the action of microorganisms. From example 8 of the present application, it can be seen that the content of vitamin C in each 100g of dry leaves in the present application is 50.3mg, the content of crude protein is as high as 33.2g, which is obviously higher than the content of nutrient components in conventional planting, and the purpose of improving the nutrient components of russian fodder vegetables is achieved.

Effect example 1

Soil in a nearby area where no Russian fodder vegetable is planted is taken as control group soil and Russian fodder vegetable plot soil planted in examples 1-12, and a self-made soil sampler of 10cm multiplied by 20cm is used for sampling soil. The shear strengths of soil bodies with different vegetation types and different soil depths under the condition of measuring the natural water content by using the shearing instrument are shown in a table 4.

TABLE 4 shear strength at different soil depths for different vegetation types of soil

It can be seen from the control group and the example 8 in table 4 that the cohesive force of the soil for planting russian fodder vegetable is obviously increased, the cohesive force of the soil with the depth as high as 90-120 cm is also increased, and the internal friction force is relatively increased although the increase is small, which indicates that the shear strength of the soil layer in the mountainous area can be obviously improved by planting russian fodder vegetable, so that a good soil-fixing effect is achieved, and the problem of water and soil loss in the mountainous area can be effectively solved.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims

1. The method for interplanting Russian fodder vegetable under the forest in the mountainous area is characterized by comprising the following steps:

(3) and (5) performing field management after planting.

2. The method for interplanting Russian fodder vegetable under the forest in the mountainous area as claimed in claim 1, wherein the depth of the deep ploughing land is 30-50 cm.

3. The method for interplanting Russia feed vegetables under the forest in the mountainous area as claimed in claim 1, wherein the application amount of the farmyard manure is 1000-1300 kg/mu; the application amount of the microbial fertilizer is 200-500 g per planting hole; the strains in the microbial fertilizer comprise: bacillus subtilis, bacillus mucilaginosus, bacillus licheniformis, mycorrhizal fungi and aspergillus oryzae.

4. The method for understory interplanting of Russian fodder vegetable in mountainous areas as claimed in claim 1, wherein the water retention treatment is carried out by soaking crushed corncobs and leaves, mixing, and applying to planting holes with a thickness of 1/3-1/2 of the depth of the planting holes.

5. The method for interplanting Russia feed vegetables under the forest in the mountainous area as claimed in claim 4, wherein the width of the corncobs is 0.5-1 cm, the length of the corncobs is 1-2 cm, and the leaves are powdery; the mass ratio of the corncobs to the leaves is 1: 1-1: 5.

6. The method for understory interplanting of russian fodder vegetables in mountainous areas according to claim 1, wherein the processing method of russian fodder vegetables is as follows: healthy Russian feed vegetable roots are selected and cut into 5-7 cm long root sections, the root sections with the diameter of 1.2-1.5 cm are longitudinally cut into two pieces, the root sections with the diameter of more than 1.5cm are vertically cut into four pieces, and a layer of plant ash is adhered to the cut.

7. The method for interplanting Russian fodder vegetable under forest in mountain areas as claimed in claim 6, wherein the cut Russian fodder vegetable roots are soaked in the mixed nutrient solution for 60-120 min and then transplanted.

8. The method for understory interplanting of russian fodder vegetables in mountainous areas according to claim 7, wherein the ingredients of the mixed nutrient solution comprise: 150-fold solution of indolebutyric acid, 300-fold solution of cytokinin, 150-fold solution of sodium naphthaleneacetate, 1mol/L of monopotassium phosphate, 1mol/L of potassium nitrate, 1mol/L of calcium nitrate and 1mol/L of magnesium sulfate; according to the volume ratio of 400: 200: 400: 1: 5: 5: 2 mixing to obtain the mixed nutrient solution.

9. The method for interplanting Russian fodder vegetable under forest in mountain areas as claimed in claim 7, wherein the rhizome soaked in the mixed nutrient solution is subjected to germination acceleration and then transplanted.

10. The method for interplanting Russian fodder vegetable under the forest in the mountainous area as claimed in claim 1, wherein the planting density of the Russian fodder vegetable is 2500-3000 plants/mu.