CN116849170A - Method for land planting and livestock co-breeding in photovoltaic array area - Google Patents
Method for land planting and livestock co-breeding in photovoltaic array area Download PDFInfo
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
- A01K67/02—Breeding vertebrates
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/05—Fruit crops, e.g. strawberries, tomatoes or cucumbers
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/25—Root crops, e.g. potatoes, yams, beet or wasabi
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/35—Bulbs; Alliums, e.g. onions or leeks
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/40—Fabaceae, e.g. beans or peas
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K31/00—Housing birds
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Botany (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Birds (AREA)
- Cultivation Of Plants (AREA)
Abstract
The application discloses a method for co-cultivating livestock on land in a photovoltaic array area, which relates to the technical field of planting and breeding symbiosis, and comprises the following steps: animal planting space division, animal planting screening, animal planting co-breeding layout and animal planting space rotation. According to the application, the land and light resources of the photovoltaic array area are optimally utilized, so that ecological prevention and control of weeds are realized, and the land fertility and yield are improved. The method solves the problem of low land utilization rate of the existing karst photovoltaic power generation field.
Description
Technical Field
The application relates to the technical field of planting and breeding symbiosis, in particular to a method for cultivating livestock on land in a photovoltaic square matrix area.
Background
In recent years, the development effect of new energy of photovoltaic power generation is remarkable, new energy projects with ecological environment protection and restoration benefits are developed in fragile areas such as stony desertification, the comprehensive yield of land is improved, and the method is an effective way for fully exerting ecological environment protection benefits of new energy. Solar resource development in stony desertification areas is an important link for enhancing karst ecosystem functions, however, the structure and the function of a karst ecosystem which are fragile are easy to change due to construction of a photovoltaic power station, the construction of the photovoltaic power station cuts a primordial habitat, the local climate, soil and other environmental resource characteristics of a field are changed, a traditional agricultural planting mode is adopted, crop yield and quality are influenced by time and space heterogeneity of light, hot water and soil resources of the field, spring sowing and summer sowing positive crops are realized, component shielding leads to yield reduction and quality reduction of crops in the area under a plate, and autumn sowing overyear crops encounter weak illumination among rows and grow slowly. The original soil used in the stony desertification area for solar energy resource development is poor in water and fertilizer retention, low in soil fertility and poor in soil aggregate structure, agricultural production depends on a large amount of water and fertilizer investment, otherwise, yield reduction or death easily occurs, meanwhile, the soil loss is aggravated in the traditional cultivation mode, and larger manpower, material resources and chemical fertilizers are input in the agricultural production, so that vicious circulation is formed, and the soil is thinner as the soil is more. Therefore, how to utilize the land in the photovoltaic field to obtain clean power, realize quality improvement and efficiency improvement in agricultural production, and promote soil improvement and land culture at the same time is a key problem to be solved in order to realize solar resource development and karst ecological system function synergistic enhancement.
Disclosure of Invention
In order to solve the technical problems, the application aims to provide a method for blending land planting and livestock in a photovoltaic array area so as to solve the problem of low land utilization rate of the existing karst photovoltaic power generation field.
The technical scheme for solving the technical problems is as follows: the method for co-cultivating the land planted livestock in the photovoltaic array area comprises the following steps of:
(1) Dividing livestock planting space: arranging fences at the periphery of the land of the photovoltaic square matrix area, arranging ecological fences under two parallel eaves of the photovoltaic module respectively, wherein the ecological fences are vertically arranged, an access door is arranged at one end of each ecological fence, which is close to the fence, of each ecological fence, the other end of each ecological fence is connected with a movable door, and the land of the photovoltaic square matrix area is divided into a photovoltaic module plate lower area and a photovoltaic interline area by the ecological fences;
(2) And (3) screening of planted animals: selecting crops with specificity and selecting livestock and poultry suitable for local places;
(3) The animal-planting blend layout: screening the preference of crops to light according to the step (2), combining the illumination change of the lower region of the photovoltaic module after the seasonal change of the solar altitude angle, selecting the region with proper illumination resources in the lower region of the photovoltaic module plate or the region between the photovoltaic rows to plant the crops in different planting seasons, and carrying out livestock raising in the other non-planted region;
(4) Rotating the space for planting livestock: after harvesting the previous crop in the planting area in the step (3), collecting straw, crushing and composting plant source organic fertilizer, and carrying out fallow and livestock raising, wherein the livestock raising area in the step (3) adopts a protective cultivation mode for planting.
Based on the technical scheme, the application can also be improved as follows:
in the step (1), the photovoltaic module is installed in a fixed support mode, and the height from the lowest position of the photovoltaic module to the ground is more than or equal to 250cm.
Further, in the step (1), when the livestock and poultry are selected as the poultry with low flying in the step (2), the height of the ecological fence is 50-70cm; when the step (2) selects the livestock and poultry to be the chickens which are habitually high in flying and perch on the trees at night, the height of the ecological fence is 120-150cm; when shade, weak light direct irradiation and perennial crops are planted in the area under the photovoltaic module plate, the height of the ecological fence is 120-150cm, and meanwhile, climbing crops are planted along the ecological fence.
Further, in the step (1), the width of the channel door is 150cm.
In the step (1), the movable door is connected to the ecological fence through a bearing and can rotate 180 degrees.
In step (1), the movable door is a single door.
Further, in the step (1), when the width of the photovoltaic inter-row area along the fence direction is greater than the width of the lower area of the photovoltaic module board along the fence direction, the width of the movable door is 1/2 of the width of the photovoltaic inter-row area; when the width of the photovoltaic inter-row area along the fence direction is smaller than the width of the photovoltaic module board lower area along the fence direction, the width of the movable door is 1/2 of the width of the photovoltaic module board lower area.
Further, in the step (2), the specificity is at least one of drought resistance, barren resistance, nitrogen fixation, high carbon fixation efficiency, high added value, easy management and easy harvest.
Further, in the step (2), when the specific crops are selected, shallow root plants are selected when the soil layer thickness of the soil in the photovoltaic square matrix area is less than 30cm, and when the thickness is more than or equal to 30cm, shallow root plants or deep root plants are selected.
Further, in the step (2), when a crop with specificity is selected, when soil nutrients are to be raised by planting, a nitrogen fixation crop or a green manure crop is selected.
Further, the nitrogen-fixing crops are at least one of soybeans, alfalfa, radishes and rape.
Further, the green manure crop is at least one of soybean, alfalfa, radish and rape.
Further, the carbon-fixing crop is ryegrass.
Further, in the step (2), when the specific crops are selected, oil crops and/or Chinese herbal medicine crops are selected when high economic added values are required to be obtained.
Further, in the step (2), when crops with specificity are selected, when the environmental drought and high temperature stress is serious, plants with strong drought resistance and high light effect are selected.
Further, the plants with strong drought resistance and high light effect are purslane.
Further, in the step (3), annual or perennial crops are planted, spring-sowing or summer-sowing crops are planted in the area between photovoltaic rows, and autumn-sowing crops are planted in the area under the photovoltaic module board; perennial crops are planted, shading crops are planted in the area under the photovoltaic module board, positive or neutral crops are planted in the area between photovoltaic rows, and livestock and annual or perennial crops are planted in the other area without planting.
Further, in the step (4), livestock and poultry in the livestock raising area are hurged to an adjacent previous crop planting area through an access door of an ecological fence, and then land preparation, planting and water and fertilizer management are carried out on the previous crop raising area, and planting is carried out in a protective cultivation mode.
Further, in the steps (3) - (4), the density is 3-14 per mu in the process of livestock raising, and meanwhile, grass is sowed; when crops are planted, grass is sown around, when the grass is equivalent to the crops in height, the grass is mowed to the root circle grass, and the grass is covered on the soil surface of the root circle.
Further, a specific grass is selected.
Further, the specificity is at least one of drought resistance, barren resistance, nitrogen fixation, high carbon fixation efficiency, high added value, easy management and easy harvest.
In the steps (3) - (4), a flat drip irrigation pipe belt is adopted for small amount of irrigation for multiple times when crops are planted.
The application has the following beneficial effects:
1. the application faces to the demand of comprehensive utilization of the land in the square array area of the photovoltaic power station in the karst area, utilizes the ecological fence to divide the space below the assembly into an under-board area and an inter-line area for planting and cultivation, then utilizes the functional garden to grow grass to cover and improve soil in different time-space planting modes of crops in different cell layouts based on the light resource difference of the under-board area and the inter-line area in different seasons and the light adaptation characteristic of the crops, and utilizes the non-planted area to carry out ecological livestock raising with proper density, converts the previous planted area into a cultivated area after the crops are harvested, converts the previous cultivated area into a planted area, and executes protective cultivation. The method is coupled with photovoltaic power generation, sun-loving/shade-tolerant crop planting, livestock and poultry cultivation and grass crop co-cultivation to excite soil microorganisms to change soil and preserve soil moisture and carburette, and can fully utilize field space resources and obtain agricultural products and livestock products while producing clean energy in a photovoltaic power generation field.
2. The karst photovoltaic power generation field has rich illumination resources, strong soil leaching, serious water and soil loss, shallow soil layer, weak soil water and fertilizer storage capacity, low land utilization rate, simple land utilization mode and low agricultural production efficiency, but the photovoltaic module cuts the original environment, thereby providing opportunities for changing the original land utilization mode, but severely limiting the development of the agriculture and light complementary industry and restricting the function improvement of the karst ecological system due to the severe natural conditions and weak photovoltaic agricultural technology. The application is based on the comprehensive mode of combination of shading and cyclic planting and raising of the photovoltaic module, realizes soil improvement and raising of soil by soil-philic planting through biological nitrogen fixation crops, carbon fixation crops, livestock and poultry excreta, livestock and poultry feeding, protective cultivation and the like, obtains agricultural products and livestock products at the same time, and improves the land yield and the utilization rate of the photovoltaic power generation field.
Drawings
FIG. 1 is a flowchart showing the steps of the photovoltaic array area land animal-planting co-cultivation of example 1;
FIG. 2 is a schematic illustration of example 1 photovoltaic array area land animal-planting co-breeding;
FIG. 3 is a schematic side view of the grass blend of example 1;
FIG. 4 is a schematic top view of the grass blend of example 1;
fig. 5 is a graph of soil characteristic parameters of comparative example 1, example 1.
1. A fence; 2. ecological fence; 3. an access door; 4. a movable door; 5. a photovoltaic inter-row region; 6. a photovoltaic module underfloor region; 7. a crop; 8. grass growing; 9. crop root loops; 10. root canal soil surface.
Detailed Description
The principles and features of the present application are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the application and are not to be construed as limiting the scope of the application. The specific conditions are not noted in the examples and are carried out according to conventional conditions or conditions recommended by the manufacturer. The reagents or apparatus used were conventional products commercially available without the manufacturer's attention.
The following examples take the case of a photovoltaic power generation field in the stony desertification of Yunnan as an example, where a power station is located, the soil is thin, drought, soil nutrient is barren, plant diversity is low, and crop production is low. (the photovoltaic module is mounted by adopting a fixed support mode, and the height from the lowest position of the photovoltaic module to the ground is more than or equal to 250 cm)
Preparation: before spring sowing, the complementary comprehensive utilization of agriculture and light is carried out for the first time after the construction of a photovoltaic power station, before the construction of ecological fence, the small-sized machinery is combined with manual work to remove weeds in the land of a photovoltaic power generation field, the ground is paved in the field after crushing, a small-sized cultivator is utilized to turn over the land, simultaneously 5000 kg/mu of farm manure is broadcasted, after raking, the farm manure is aired for 7-10 days, drip irrigation pipe belts are paved during the period, the pipe belt spacing is 60-80cm, and the pipe belts are paved along the east-west direction; setting up ecological fence, planting evergreen shade-tolerant shrubs such as goose palms (Heptapleurum heptaphyllum) on the base of the ecological fence;
example 1:
a method for co-cultivating land plants and livestock in a photovoltaic array area comprises the following steps: (see FIGS. 1-4)
(1) Dividing livestock planting space: arranging a fence at the periphery of the land of the photovoltaic square matrix area, wherein the fence is formed by combining plant fences and a metal guardrail net, the height of the metal guardrail net is 200cm, ecological fences are respectively arranged under parallel two eaves of each row of photovoltaic modules, the ecological fences are vertically arranged, one end of each ecological fence, which is close to the fence, is provided with a passage door, the width of the passage door is 150cm, the other end of each ecological fence is connected with a movable door through a bearing and can rotate by 180 degrees, and the ecological fences divide the land of the photovoltaic square matrix area into a photovoltaic module plate lower area and a photovoltaic interline area; the width of the lower region of the photovoltaic assembly plate is larger than that of the lower region of the photovoltaic assembly plate, the width of the movable door is 1/2 of that of the lower region of the photovoltaic assembly plate, the single door width design and the rotary design can meet the requirement that one door can be shared by two cells, the door is only used for closing when the cells are used as the cultivation cells, and the two single doors rotate to the cultivation cells, so that the cultivation cells are in a closed state; the height of the ecological fence is 55cm;
(2) And (3) screening of planted animals: selecting crops (shallow root plants or deep root plants) except for perennial camptotheca traditional Chinese medicinal materials, and selecting nitrogen fixation crops such as peanut (Arachis hypogaea), condiment crops such as Capsicum (Capsicum annuum), high anthocyanin content crops such as eggplant (Solanum melongena), high vitamin content crops such as tomatoes (Solanum lycopersicum), nitrogen fixation green manure feeding crops such as white clover (Trifolium repens) and alfalfa (Medicago sativa) during spring sowing;
during autumn sowing, nitrogen fixation crops such as peas (Pisum sativum), broad beans (Vicia faba), high-added-value crops such as garlic (Allium sativum) and carbon fixation crops such as ryegrass (Lolium perenne) are selected;
selecting livestock and poultry as white goose;
(3) The animal-planting blend layout: in spring sowing, peanuts, eggplants, peppers and tomatoes are planted in the area between the photovoltaic rows, white geese (the density is 4 per mu) are cultivated in the area under the photovoltaic module board, and white clover and alfalfa are sowed;
during autumn sowing, peas, broad beans, garlic and ryegrass are planted in the area under the photovoltaic module board, white geese are cultivated in the area between the photovoltaic rows (the density is 4 per mu);
(4) Rotating the space for planting livestock: harvesting peanuts, eggplants, peppers and tomatoes in the photovoltaic inter-row areas before and after 9 months, composting 4 crop straws into plant source organic fertilizers, and driving geese in adjacent cultivation cells to the planting cells through a passage door; newly purchased desuperheated geese are cultivated in a photovoltaic interline area after peanuts, eggplants, peppers and tomatoes are harvested; after the geese in the area under the photovoltaic module board are removed, harvesting the rest white clover and alfalfa in the area, returning to the field or preparing green feed for goose cultivation, then preparing land, and sowing peas and broad beans; and (3) sowing ryegrass in the area between the photovoltaic rows, after sowing, using drip irrigation to irrigate thoroughly, watering for the 2 nd time after one week, and guaranteeing soil moisture after emergence of seedlings to prevent death of plants.
In order to ensure the quality and the yield of peanuts, eggplants, peppers, tomatoes, peas and broad beans, seedlings are left in a single nest for 2 plants, wherein the seedlings are about 10cm in height after the live peanut, pea and broad bean crops emerge; transplanting eggplants, hot peppers and tomatoes into crops, transplanting nutrition pot seedlings before 4 leaves, properly ridging after transplanting and before ridge sealing, pinching and topping about 30-40 days after transplanting, promoting branching and improving yield.
In autumn and winter, a rain shelter is built at the passage door of the photovoltaic inter-row area by utilizing the bamboo hedges and the grass curtains, and the canopy top is 2m wide for the geese to perch.
Example 2:
a method for co-cultivating land plants and livestock in a photovoltaic array area comprises the following steps:
(1) Dividing livestock planting space: as in example 1;
(2) And (3) screening of planted animals: the spring sowing crop selects nitrogen fixation crop peanut (Arachis hypogaea), the autumn sowing crop selects nitrogen fixation crop pea (Pisum sativum), the garden grass selects carbon fixation plant ryegrass (Lolium perenne), C4 and CAM plant purslane (Portulaca oleracea);
the livestock and poultry select local breeds of chickens and white geese to be raised in a mixed mode, wherein 6 chickens/mu and 2 white geese/mu are raised;
(3) The animal-planting blend layout: sowing peanuts and peas on demand in a planting area, sowing ryegrass and purslane, mixedly raising chickens and geese in a breeding area, and sowing ryegrass and purslane; when the grasses grow to about 10cm to 15cm, the grasses in the garden cut the root circle of the peanuts are covered on the soil surface of the root circle;
(4) Rotating the space for planting livestock: harvesting peanuts between rows before and after 9 months, alternately planting and breeding areas, and naturally withering purslane and covering the soil surface.
Comparative example 1:
a method for land planting in a photovoltaic array area, comprising the following steps:
the animal-planting method of the application is not included.
Test examples
Soil from example 1 planting area, example 1 cultivation area and comparative example 1 area was collected and soil from example 1 comparative example 1 was monitored for total carbon, total nitrogen, total phosphorus and microbial carbon as shown in fig. 5. The results show that: after the livestock-planting co-breeding method provided by the application is adopted, the organic carbon of the soil is improved by 14.2-25.6%, the total nitrogen is improved by 7.4-19.9%, the total phosphorus is improved by 50.5-57.5%, the microbial biomass carbon is improved by 254.2-451.7%, the nutrient content of the soil is increased, the carbon content is increased, and the carburetion and soil-raising effects are realized.
The foregoing description of the preferred embodiments of the application is not intended to limit the application to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the application are intended to be included within the scope of the application.
Claims (10)
1. The method for co-cultivating the land plants and the livestock in the photovoltaic array area is characterized by comprising the following steps of:
(1) Dividing livestock planting space: the method comprises the steps that a fence (1) is arranged on the periphery of a photovoltaic square matrix area land, ecological fences (2) are respectively arranged under two parallel eaves of a photovoltaic module, the ecological fences (2) and the fence (1) are vertically arranged, an access door (3) is arranged at one end, close to the fence (1), of each ecological fence (2), a movable door (4) is connected to the other end of each ecological fence (2), and the photovoltaic square matrix area land is divided into a photovoltaic module plate lower area (6) and a photovoltaic interline area (5) by the ecological fences (2);
(2) And (3) screening of planted animals: selecting a crop (7) with specificity and selecting a livestock and poultry suitable for local use;
(3) The animal-planting blend layout: screening the preference of crops (7) to light according to the step (2), combining the illumination change of the area under the photovoltaic module after the seasonal change of the solar altitude angle, selecting the area with proper illumination resources in the area under the photovoltaic module plate (6) or the area between the photovoltaic rows (5) to plant the crops (7) in different planting seasons, and carrying out livestock raising in the other area without planting;
(4) Rotating the space for planting livestock: after the previous crop (7) in the planting area in the step (3) is harvested, collecting straw, crushing and composting plant source organic fertilizer, carrying out fallow and livestock, and planting in the livestock area in the step (3) by adopting a protective farming mode.
2. The method for cultivating livestock in the land in the photovoltaic array area according to claim 1, wherein in the step (1), the photovoltaic module is installed in a fixed support mode, and the height from the lowest position of the photovoltaic module to the ground is more than or equal to 250cm.
3. The method for the co-cultivation of livestock on land in a photovoltaic array area according to claim 1, wherein in the step (1), when the livestock and poultry are selected as the poultry which do not fly high in the step (2), the height of the ecological fence (2) is 50-70cm; when the step (2) selects the livestock and poultry to be the chickens which are habitually high in flying and perch on the trees at night, the height of the ecological fence (2) is 120-150cm; when the shade is planted in the area (6) under the photovoltaic module board, the shade is not resistant to strong light and the crops (7) are grown for many years, the height of the ecological fence (2) is 120-150cm, and meanwhile, the climbing crops are planted along the ecological fence (2).
4. The method for the land animal-planting and breeding of the photovoltaic array area according to claim 1, wherein in the step (1), when the width of the photovoltaic inter-row area (5) along the direction of the fence (1) is larger than the width of the photovoltaic component board lower area (6) along the direction of the fence (1), the width of the movable door (4) is 1/2 of the width of the photovoltaic inter-row area (5); when the width of the photovoltaic inter-row area (5) along the direction of the fence (1) is smaller than the width of the photovoltaic module board lower area (6) along the direction of the fence (1), the width of the movable door (4) is 1/2 of the width of the photovoltaic module board lower area (6).
5. The method of claim 1, wherein in step (2), the specificity is at least one of drought resistance, barren tolerance, nitrogen fixation, high carbon fixation efficiency, high added value, easy management and easy harvest.
6. The method for cultivating livestock in the land in the photovoltaic square area according to claim 1, wherein in the step (2), when the specific crop (7) is selected, shallow root plants are selected when the thickness of the soil layer of the land in the photovoltaic square area is less than 30cm, and when the thickness is more than or equal to 30cm, shallow root plants or deep root plants are selected.
7. The method for co-cultivating land plants and livestock in a photovoltaic array area according to claim 1, wherein in the step (3), annual or perennial crops are planted, spring-sowing or summer-sowing crops are planted in a photovoltaic interline area (5), and autumn-sowing crops are planted in a photovoltaic module subplate area (6); perennial crops are planted, shading crops are planted in a photovoltaic module plate lower area (6), positive or neutral crops are planted in a photovoltaic interline area (5), and livestock and annual or perennial crop circulation planting is carried out in another non-planted area.
8. The method for co-cultivating livestock on land in a photovoltaic array area according to claim 1, wherein in the step (4), livestock in the livestock area are driven out or through an access door (3) of an ecological fence (2) to an adjacent previous crop planting area, and then land preparation, planting and water and fertilizer management are carried out on the previous crop area, and the livestock is planted in a protective cultivation mode.
9. The method for the co-cultivating of land plants and livestock in a photovoltaic array area according to claim 1, wherein in the steps (3) - (4), the density is 3-14 per mu in the process of livestock raising, and meanwhile, grasses (8) are sowed; when the crops (7) are planted, grass (8) is sown around, and when the height of the grass (8) is equivalent to that of the crops (7), the grass (8) is mowed by the crop root circle (9) and covered on the root circle soil surface (10).
10. The method for co-cultivating livestock on land in a photovoltaic array area according to claim 1, wherein in the steps (3) - (4), a flat drip irrigation pipe is adopted for small amount of irrigation for multiple times when the crops (7) are planted.
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