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1. The base fertilizer of Shijifei Kidney Bean should use long-acting compost compost, and it is not advisable to use too much nitrogen fertilizer to make seed fertilizer to avoid rotten seeds. Usually, the high-quality organic fertilizer is 1000-1500 kg (subject to fermentation by Jinbao starter), and 1-2 kg of Jinbao microbial fertilizer is added. Usually applied to a depth of 8-10 cm.
2, topdressing cowpea need fertilizer medium, according to the principle of "basic fertilizer, supplemented by fertilizer", topdressing. When the seedlings are thin, the nitrogen fertilizer is applied, and the concentration is appropriately increased as the plant grows. Usually 10 to 15 kilograms of compound fertilizer, microbial fertilizer 0. 1-0. 2kg with water.
3. Foliar spraying is carried out with urea, ammonium sulphate, superphosphate leaching solution, etc., combined with granule microbial agent (0.5 kg/mu). Usually, the urea is 1-2 kg of urea, 1-2 kg of potassium dihydrogen phosphate, and 40-50 kg of water.
Cowpea fertilization method
The beans are famous for their kidney beans and beans. It is mainly served with fresh bean pods and fresh beans. The straight roots of cowpea are developed, and the root nodules of different shapes are symbiotic. The ratio of nitrogen, phosphorus and potassium is 1:1:1. At the same time, trace elements such as molybdenum, boron, zinc and copper are needed. Beans and vegetables are fertilized to increase production. Here are the specific fertilization methods:
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