Method for planting sesame under photovoltaic panel

Abstract

The invention relates to a method for planting sesame under a photovoltaic panel. The method comprises the following steps: (1) selecting a planting land: selecting a land provided with a photovoltaic power station; (2) preparation before sowing: the rotary tillage depth before sowing is 15-20 cm, fertilization is carried out, mid-late maturing varieties with high yield potential are selected in spring sowing, and early maturing sesame varieties are selected in summer sowing; (3) sowing: sowing spring sesames from late April to early May, and sowing summer sesames before middle June; (4) field management: spraying 100-150mg / kg mepiquat chloride solution on leaf surfaces in an initial flowering stage, weeding, and topping 35 days after initial flowering of spring sesame and 25 days after initial flowering of summer sesame; (5) fertilization; and (6) harvesting: timely harvesting, bundling, airing and threshing when 1-2 capsules at the base part of each sesame plant are slightly cracked. By means of the sesame planting technology, reasonable utilization of the land under the photovoltaic panel can be achieved, and the sesame yield is guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of crop planting, and in particular to a sesame planting method under a photovoltaic panel. Background Art

[0002] As a shade-tolerant crop, sesame is often planted in shaded plots. Sesame also has strong resistance to adversity and barrenness, good nutritional processing characteristics, rich processed products, and considerable economic benefits from planting. According to the photovoltaic environment, sesame varieties suitable for photovoltaic planting are selected, and suitable sesame planting technology under photovoltaic panels is matched, which has broad market prospects.

[0003] The existing sesame planting technology is mainly aimed at sesame planting in ordinary fields, and sesame is not planted under or between photovoltaic panels. Since photovoltaic panels greatly affect the light intensity and light time, it is necessary to select sesame varieties with high light efficiency. In addition, changes in light intensity and light time require adjustments to the planting density of sesame, and the sowing period and harvest period are also quite different from ordinary field planting. Summary of the invention

[0004] Technical problem to be solved: In view of the shortcomings of the prior art, the present invention provides a sesame planting method under a photovoltaic panel. Through the sesame planting technology of the present invention, the land under the photovoltaic panel can be reasonably utilized and the sesame yield can be guaranteed.

[0005] Technical solution: A method for planting sesame under photovoltaic panels, comprising the following steps: (1) Selection of planting sites: select land with photovoltaic power stations, with the spacing between each row of photovoltaic panels not less than 7m, the bottom of the photovoltaic panel not less than 2.5m from the ground, and small seeding machines and harvesting machines can enter and exit the land; (2) Preparation before sowing: Rotary tillage should be carried out at a depth of 15 to 20 cm before sowing. Apply 2,500 to 3,000 kg of organic fertilizer and 20 to 30 kg of 60% compound fertilizer per 667 m2. For spring sowing, choose mid-late-maturing varieties with high yield potential. For summer sowing, choose early-maturing sesame varieties. Dry the seeds evenly in the sun 1 to 2 days before sowing. (3) Sowing: Spring sesame is sown from late April to early May. Water it one week in advance if soil moisture is insufficient. Summer sesame is sown before mid-June. Wide and narrow row sowing is adopted, with a wide row of 50 cm and a narrow row of 30 cm. The sowing amount per mu is 150-200 g. Sowing can be done between and under photovoltaic panels. (4) Field management: Check and supplement seedlings promptly after emergence. Thin out seedlings when they have the first to third pairs of true leaves, and set seedlings when they have the third to fourth pairs of true leaves. Leave 12,000 to 13,000 seedlings per mu for spring sesame and 14,000 to 15,000 seedlings per mu for summer sesame. Spray 100 to 150 mg / kg of chlorpyrifos solution on the leaves during the initial flowering period. Cultivate and weed 1 to 2 times. Shallow hoeing is performed for the first time when they have the second to third pairs of true leaves, and the second time when they have the fourth to fifth pairs of true leaves. Top sesame 35 days after initial flowering for spring sesame and 25 days after initial flowering for summer sesame. (5) Fertilization: In the early flowering period, apply 7.5-10.0 kg of urea per 667 m2 depending on the seedling condition. During the flowering period, spray 40-50 kg of a mixed aqueous solution of potassium dihydrogen phosphate and borax, 2-3 times every 7 days. (6) Harvesting: When 1 to 2 capsules at the base of the sesame plant are slightly cracked, harvest them in time, bundle them, dry them in the sun and thresh them.

[0006] In the above-mentioned step (2), the content ratio of N, P and K in the 60% compound fertilizer is 18:22:20.

[0007] The sesame variety in the above-mentioned step (3) is Ezhi No. 9.

[0008] In the above-mentioned step (5), the concentration of potassium dihydrogen phosphate in the mixed aqueous solution of potassium dihydrogen phosphate and borax is 0.3%, and the concentration of borax is 0.1%.

[0009] Beneficial effects: The sesame planting method under a photovoltaic panel provided by the present invention has the following beneficial effects: 1. The present invention identifies sesame varieties suitable for planting under photovoltaic power stations, such as Ezhi No. 9.

[0010] 2. The present invention determines the optimal sowing period, optimal planting density, optimal harvesting period and other information for planting sesame between and under photovoltaic panels, which can achieve the rational use of the land under the photovoltaic panels and ensure the yield of sesame. DETAILED DESCRIPTION

[0011] The present invention is further described in detail below through specific implementation modes, but those skilled in the art will understand that the following examples are only used to illustrate the present invention and should not be regarded as limiting the scope of the present invention.

[0012] The specific implementation of the present invention provides a sesame planting method under a photovoltaic panel, and the specific process is as follows: 1. Variety selection According to the local ecological type and market demand, new sesame varieties with high yield, high quality and shade tolerance should be selected according to local conditions. The recommended sesame varieties for planting should be those registered by the state or approved (recognized) by Hubei Province, such as Ezhi No. 9.

[0013] 2. Planting site selection Choose land with photovoltaic power stations, with the spacing between each row of photovoltaic panels not less than 7m, and the bottom of the photovoltaic panel not less than 2.5m from the ground; small seeders and harvesters can easily enter and exit the land. At the same time, choose photovoltaic base plots with flat terrain, convenient drainage and irrigation, and medium to high fertility.

[0014] The field is located in Huangji Town, Xiangyang City, Xiangyang District, Hubei Province. The Xiangyang Huangji Town Photovoltaic Power Station of Huadian Hubei New Energy Co., Ltd. will demonstrate the planting of 3 acres of sesame under photovoltaic panels in 2023. The sesame variety is Ezhi No. 9.

[0015] 3. Preparation before sowing 3.1 Land preparation Before sowing, apply base fertilizer and tillage at a depth of 15 to 20 cm, 2500 to 3000 kg of organic fertilizer, and 20 to 30 kg of 60% nitrogen, phosphorus and potassium compound fertilizer (the content ratio of N, P, K is 18:22:20) to make the soil finely broken and loose on the top and solid on the bottom.

[0016] 3.2 Variety selection For spring sowing, choose medium-late maturing varieties with high yield potential, and for summer sowing, choose early maturing sesame varieties. It is recommended to plant Ezhi No. 9.

[0017] 3.3 Seed treatment before sowing 1 to 2 days before sowing, dry the seeds evenly in the sun, and avoid exposing them on cement floors.

[0018] 4. Planting seeds 4.1 Sowing period Spring sesame: From late April to early May, water one week in advance if soil moisture is insufficient. Summer sesame: sow before mid-June.

[0019] 4.2 Seeding method Row sowing. Wide and narrow rows, 50 cm wide and 30 cm narrow.

[0020] 4.3 Seeding rate On May 14, 3 mu of sesame was sown, with a sowing rate of 150-200g per mu. Sowing can be done between and under the photovoltaic panels.

[0021] 5 Field management 5.1 Thinning and finalization After the seedlings emerge, check and supplement the seedlings in time. Thin out the seedlings when the 1st to 3rd pairs of true leaves appear, and transplant the seedlings when the 3rd to 4th pairs of true leaves appear. Leave 12,000 to 13,000 seedlings per mu of spring sesame, and 14,000 to 15,000 seedlings per mu of summer sesame.

[0022] 5.2 Chemical control measures During the early flowering period, spray the leaves with 100-150 mg / kg of chlorpyrifos solution.

[0023] 5.3 Cultivation Intertillage and weeding are done 1-2 times. The first shallow hoeing occurs when the 2-3 pairs of true leaves appear, and the second intertillage occurs when the 4-5 pairs of true leaves appear.

[0024] 5.4 Topdressing In the early flowering period, 7.5-10.0 kg of urea should be applied per mu depending on the seedling condition. During the flowering period, 40-50 kg of a mixed aqueous solution of potassium dihydrogen phosphate and borax (the concentration of potassium dihydrogen phosphate is 0.3% and the concentration of borax is 0.1%) should be sprayed 2-3 times at intervals of 7 days.

[0025] 5.5 Timely Topping Spring sesame should be topped 35 days after the first flowering, while summer sesame should be topped 25 days after the first flowering.

[0026] 6. Harvest When 1 to 2 capsules at the base of the plant are slightly cracked, harvest in time, bundle, dry and thresh.

[0027] On September 12, 2023, 3 acres of sesame were harvested and the yield measurement was completed, with the actual yield per acre being 149.5 kilograms.

[0028] The embodiments of the present invention are described in detail above. For those skilled in the art, according to the ideas of the embodiments of the present invention, there may be changes in the specific implementation methods and application scopes. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A method for planting sesame under a photovoltaic panel, characterized in that The steps include: (1) Selection of planting sites: select land with photovoltaic power stations, with the spacing between each row of photovoltaic panels not less than 7m, the bottom of the photovoltaic panel not less than 2.5m from the ground, and small seeding machines and harvesting machines can enter and exit the land; (2) Preparation before sowing: Rotary tillage should be carried out at a depth of 15 to 20 cm before sowing. Apply 2,500 to 3,000 kg of organic fertilizer and 20 to 30 kg of 60% compound fertilizer per 667 m2. For spring sowing, choose mid-late-maturing varieties with high yield potential. For summer sowing, choose early-maturing sesame varieties. Dry the seeds evenly in the sun 1 to 2 days before sowing. (3) Sowing: Spring sesame is sown from late April to early May. Water it one week in advance if soil moisture is insufficient. Summer sesame is sown before mid-June. Wide and narrow row sowing is adopted, with a wide row of 50 cm and a narrow row of 30 cm. The sowing amount per mu is 150-200 g. Sowing can be done between and under photovoltaic panels. (4) Field management: Check and supplement seedlings promptly after emergence. Thin out seedlings when they have the first to third pairs of true leaves, and set seedlings when they have the third to fourth pairs of true leaves. Leave 12,000 to 13,000 seedlings per mu for spring sesame and 14,000 to 15,000 seedlings per mu for summer sesame. Spray 100 to 150 mg / kg of chlorpyrifos solution on the leaves during the initial flowering period. Cultivate and weed 1 to 2 times. Shallow hoeing is performed for the first time when they have the second to third pairs of true leaves, and the second time when they have the fourth to fifth pairs of true leaves. Top sesame 35 days after initial flowering for spring sesame and 25 days after initial flowering for summer sesame. (5) Fertilization: In the early flowering period, apply 7.5-10.0 kg of urea per 667 m2 depending on the seedling condition. During the flowering period, spray 40-50 kg of a mixed aqueous solution of potassium dihydrogen phosphate and borax, 2-3 times every 7 days. (6) Harvesting: When 1 to 2 capsules at the base of the sesame plant are slightly cracked, harvest them in time, bundle them, dry them in the sun and thresh them.

2. The sesame planting method under a photovoltaic panel according to claim 1, characterized in that: In the step (2), the content ratio of N, P and K in the 60% compound fertilizer is 18:22:

20.

3. The sesame planting method under a photovoltaic panel according to claim 1, characterized in that: The sesame variety in step (3) is Ezhi 9.

4. The sesame planting method under a photovoltaic panel according to claim 1, characterized in that: In the step (5), the concentration of potassium dihydrogen phosphate in the mixed aqueous solution of potassium dihydrogen phosphate and borax is 0.3%, and the concentration of borax is 0.1%.