High yield of kidney bean "three levels"
Kidney beans are common vegetables. How to increase the output of kidney beans and improve the quality of kidney beans? The author thinks that we must grasp the following three key technical measures:
1. Choose good crops clearance: early spring and late autumn low surface temperature, short sunshine, should choose some cold-resistant early maturing varieties, the performance of better varieties are Yang 豇 12 and so on. Summer sowing due to high temperature, long sunshine, should choose some heat-resistant varieties, the performance of the better varieties are Yang 豇 40 and so on.
2. Formula fertilization Guan: Cowpea is vine-grown, vegetative growth and reproductive growth period are longer, so pay attention to the application of basal fertilizer and foliar fertilizer. In the basal fertilizer, the proportion of phosphorus and potash fertilizers should be increased in an appropriate amount, and the proportion of nitrogen fertilizer should be reduced to prevent the legumes from being used in the later period and the flowering period should be shortened, thereby affecting the yield of cowpeas. In the later stage, the combination of pest control and appropriate application of foliar fertilizers can be increased. Extend the growth period of cowpea.
3. Field Management: Pay close attention to pest control, cowpea fear of stains, clearing drainage drainage can not only promote the healthy growth of cowpea, but also improve the resistance of cowpea. In July and August each year, it is the prone period of kidney bean pests. The major pests and diseases are downy mildew, rust, aphids, and cabbage caterpillars. The prevention and control methods are as follows: the disease is sprayed with bactericides such as fluomoran zinc and triadimefon; the insect pests are sprayed with Kaiwei 168, abamectin and the like. It should be noted that spray insecticides must be selected at 8 or 9 am to be effective for flowers, flowers and vines. In order to delay premature aging, 200 g/mu of potassium dihydrogen phosphate can be added to the solution to increase production.
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