Prevention and control method for greenhouse soil secondary salinization
A secondary salinization and soil technology, applied in the direction of soil preparation methods, botanical equipment and methods, planting substrates, etc., can solve problems such as unsatisfactory control methods, and achieve sustainable development, increase yield and quality, reduce Salt effect noticeable effect
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Embodiment 1
[0028] The control method of the present embodiment greenhouse soil secondary salinization comprises the following steps:
[0029] S1. Apply substrate to the greenhouse soil, plow the soil 25cm deep, and apply 500kg of substrate per mu;
[0030] S2. One month after the substrate is applied to the greenhouse soil, apply the soil improver to the greenhouse soil at an application rate of 80 kg per mu. Plow the greenhouse soil evenly once with a depth of 25 cm, and adjust the moisture content of the plowed soil to 15-30%. ;
[0031] S3, vegetables are densely planted on the greenhouse soil after step S2 treatment, when the vegetable seedlings are planted, irrigate the seedling water, the vegetables are cucumbers, the cucumber planting density is 3700 plants / mu, after the cucumber seedlings are field planted, water the seedling water 30 square / mu;
[0032] S4. After planting the vegetable seedlings, carry out irrigation and fertilization, and apply N 24 kg, P2O515 kg, and K2O36 kg...
Embodiment 2
[0038] The control method of the present embodiment greenhouse soil secondary salinization comprises the following steps:
[0039] S1. Apply substrate to the greenhouse soil, plow the soil 35cm deep, and apply 1000 kg of substrate per mu;
[0040] S2. After 2 months after applying the matrix to the greenhouse soil, apply soil improver to the greenhouse soil at an application rate of 160 kg per mu. Plow the greenhouse soil evenly once and deeply plow 35cm, and adjust the moisture content of the plowed soil to 15-30% ;
[0041] S3, densely plant vegetables on the greenhouse soil after step S2 treatment, irrigate seedling water after the vegetable seedlings are planted, the vegetables are tomatoes, 20,000 jin of tomatoes per mu, apply N16 kg, P2O56 kg, K2O37 kg, tomato production at the seedling stage and No irrigation and fertilization during the flowering period, irrigation and fertilization for the first tomato fruit set, application of water-soluble fertilizer with a weight ...
Embodiment 3
[0048] The control method of the present embodiment greenhouse soil secondary salinization comprises the following steps:
[0049] S1. Apply substrate to the greenhouse soil, plow the soil 30cm deep, and apply 750kg of substrate per mu;
[0050] S2. One and a half months after applying the matrix to the greenhouse soil, apply the soil improver to the greenhouse soil at an application rate of 120 kg per mu. Plow the greenhouse soil once evenly and deeply plow 30cm, and adjust the moisture content of the plowed soil to 15-30% ;
[0051] S3, densely plant vegetables on the greenhouse soil after step S2 treatment, when the vegetable seedlings are planted, irrigate the seedling water, and the seedling water is controlled to 30 cubic meters / mu;
[0052] S4, after the vegetable seedlings are planted, fertilization is carried out;
[0053] S5. After the vegetables are picked, the greenhouse soil is irrigated during the fallow period, so that the water content of the soil after irrig...
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