How to prevent onion rust in continuous rain?
How to prevent onion rust in continuous rain? Please guide the high temperature and rainy season in summer and autumn. in case of continuous overcast and rainy weather, green onions are easy to get rust. Farmers should take effective measures in time to strengthen prevention and control. Timely medication for prevention and control in summer and autumn, especially after 2-3 days of continuous rain, the occurrence of green onion rust should be checked in time. If brown and green spots are found on onion leaves, the medicine should be administered immediately. 3000 times triadimefon EC is generally available. Add 1/4 washing powder, spray fine spray, after the first application, control again every 7-10 days, in order to improve the disease prevention effect. In addition to doing a good job in field management such as drought resistance and waterlogging reduction, ammonium bicarbonate can be applied 15-20 kg per mu of land during the disease-prone period in summer and autumn to promote the growth of Welsh onions and resist diseases. Before transplanting, apply sufficient basic fertilizer per mu of onion field can apply 3000 kg of rotten pig manure, 45% of nitrogen, phosphorus and potassium compound fertilizer 25 kg, and after turning the rake evenly, then transplant young onions. Reasonable crop rotation in the same field, do not plant green onions, generally should be changed once a year. If there is a lack of rotation conditions, you should not continue to plant green onions next year after the occurrence of rust. Click to get more green onion planting techniques click to get more vegetable planting techniques
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How to plant green onions?
How to plant green onions? Please guide us to introduce that it is best to cut leaves and replant green onions, which can obviously speed up the slow seedling rate, benefit the growth and development of green onions and increase the yield of green onions. The specific method of green onion leaf cutting and planting: after pulling out the onion seedlings in the seedling bed, tie the onion seedlings neatly into small bundles, and then.
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How to manage scallion in high temperature period?
What method can make green onion high yield? Please advise and thank you for planting green onions. To achieve high yield, you can refer to the following methods: 1. Cultivating soil is an important management measure for cultivating green onions. Proper soil cultivation can prevent lodging, soften pseudostem and improve yield and quality of onion stalk. Onions should be cultivated many times, about 4 times...
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