Simple and labor saving fertilization method for summer maize under wheat and maize rotation mode
A fertilization method and summer corn technology, applied in the direction of fertilization method, fertilization device, grain cultivation, etc., can solve the problems of increased cost input, high amount of controlled release fertilizer, labor shortage, etc., to improve nutrient utilization rate, increase economic benefits, The effect of increasing corn yield
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Embodiment 1
[0029] A light and simple fertilization method for summer corn under the wheat-corn rotation mode, the specific steps are as follows:
[0030] After the wheat is harvested, the stalks are crushed and returned to the field, and the corn is mechanically sown after returning to the field. When the corn is sown, phosphorus, potassium and nitrogen fertilizers are mixed in proportion and then applied at one time with the seeds. No topdressing is required during the entire growth period.
[0031] The nitrogen fertilizer is a mixture of coated urea and common urea, wherein the mass ratio of coated urea is 70%, and the mass ratio of common urea is 30%. The potassium fertilizer used is granular potassium sulfate or potassium chloride, and the phosphate fertilizer is granular superphosphate.
[0032] The total amount of nitrogen, phosphorus and potassium input is controlled at 300kg / hm 2 , where the N nutrient is controlled at: 180kg / hm 2 ;P 2 o 5 Nutrient control: 45kg / hm 2 ;K 2 O...
Embodiment 2
[0060] A light and simple fertilization method for summer corn under the wheat-corn rotation mode, the specific steps are as follows:
[0061] After the wheat is harvested, the stalks are crushed and returned to the field, and the corn is sowed mechanically after returning to the field. When the corn is sown, phosphorus, potassium and nitrogen fertilizers are mixed in proportion and then applied at one time with the seeds. No topdressing is required throughout the process.
[0062] The nitrogen fertilizer is a mixture of coated urea and common urea, wherein the mass ratio of coated urea is 75%, and the mass ratio of common urea is 25%. The potassium fertilizer used is granular potassium sulfate or potassium chloride, and the phosphate fertilizer is granular superphosphate.
[0063] The total amount of nitrogen, phosphorus and potassium nutrients input is controlled at 300kg / hm 2 , where the N nutrient is controlled at: 180kg / hm 2 ;P 2 o 5 Nutrient control: 45kg / hm 2 ;K 2...
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