Fertilizer characteristics The peak of nutrient absorption of sweet pepper is in the result period. The absorption of nitrogen gradually increases with the growth process; the absorption of phosphorus increases with the growth process, but the extent of absorption changes is small; the absorption of potassium is less in the early growth stage, and the absorption increases significantly from the early stage of fruit harvesting. It continues until the end of harvesting; the absorption of calcium also increases with the growth process; the maximum absorption of magnesium occurs during the fruit harvest period, and the absorption at the early stage of growth is less.
Fertilization technology Nitrogen and potassium fertilizers are divided into base fertilizers and three times of topdressing application. Phosphate fertilizers are all used as base fertilizers. Summer cultivation, high ground temperature, should be applied with low carbon and nitrogen organic fertilizers, such as fully decomposed chicken manure, try not to use dry chicken manure, duck manure and bean cake. The base fertilizer is applied with 2500~3000 kg of organic fertilizer per acre, 8~10 kg of urea, 15~20 kg of diammonium phosphate and 10~12 kg of potassium sulfate. During the expansion period of the pepper, 10~12 kg of urea and 5~8 kg of potassium sulfate are applied per acre; in the period of pepper expansion, 12~14 kg of urea and 7~8 kg of potassium sulfate are applied per acre; During the period, 9~10 kg of urea and 5~6 kg of potassium sulfate were applied per mu. In the case of calcium deficiency, magnesium deficiency or boron deficiency, 0.3% calcium chloride, 1% magnesium sulfate or 0.1% to 0.2% borax may be sprayed 2~3 times.
Fertilization technology Nitrogen and potassium fertilizers are divided into base fertilizers and three times of topdressing application. Phosphate fertilizers are all used as base fertilizers. Summer cultivation, high ground temperature, should be applied with low carbon and nitrogen organic fertilizers, such as fully decomposed chicken manure, try not to use dry chicken manure, duck manure and bean cake. The base fertilizer is applied with 2500~3000 kg of organic fertilizer per acre, 8~10 kg of urea, 15~20 kg of diammonium phosphate and 10~12 kg of potassium sulfate. During the expansion period of the pepper, 10~12 kg of urea and 5~8 kg of potassium sulfate are applied per acre; in the period of pepper expansion, 12~14 kg of urea and 7~8 kg of potassium sulfate are applied per acre; During the period, 9~10 kg of urea and 5~6 kg of potassium sulfate were applied per mu. In the case of calcium deficiency, magnesium deficiency or boron deficiency, 0.3% calcium chloride, 1% magnesium sulfate or 0.1% to 0.2% borax may be sprayed 2~3 times.
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