How to prevent and cure Botrytis cinerea of scallions?
How to prevent and cure Botrytis cinerea of scallions? Please introduce green onion gray mold, also known as white spot disease, is the main disease of green onion. Mainly harmful leaves, white oval or nearly round spots on the leaves at the initial stage, mostly developed from the leaf tip down, gradually connected into pieces, so that the leaf tip curled and died. When the humidity is high, a large number of gray mold layers appear on the withered leaves. Prevention and control measures: (1) agricultural control. Select disease-resistant varieties, increase the application of organic fertilizer, reasonably increase the application of phosphorus and potassium fertilizer, and strengthen field management. When the soil moisture is large, it should be ploughed and dispersed in time to reduce moisture to ensure the healthy growth of green onions. (2) Pesticide control. Alternate spraying of 50% carbendazim or 70% methyl topiramate wettable powder 800 / 1000 times. Click to get more green onion planting techniques click to get more vegetable planting techniques
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How to harvest lotus root?
How to harvest lotus root? Please guide the early harvest of lotus root to affect the yield and the decline of quality too late. therefore, the harvest time should be determined according to the early or late of seedling and the need of eating. ① fragrant lotus root. The newly formed lotus root is called flower lotus root, also known as tender lotus root, this kind of lotus root starch content is very low, with fresh, tender and sweet.
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How to water and fertilize green onions in autumn?
How to water and fertilize green onions in autumn? Please introduce that the center of field management of spring onions in autumn is to promote roots, grow strong and soften the soil, strengthen the management of water and fertilizer, and create suitable environmental conditions for the formation of green onions, so as to improve the yield and quality of green onions in summer after planting.
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