Timely cultivating, earth-cultivation, ditching drainage, increasing potash fertilizer, and improving disease resistance; In the early stages of the occurrence of late blight, remove the diseased plants in time, spray 58% metalaxyl manganese zinc, 64% antivirus, and M-45 , 72% DuPont Kelu, 69% Anke manganese zinc and other control, and spray foliar fertilizer. In order to reduce the occurrence of potato pesticide resistance, the best use of a variety of agents, spray every 7-10 days, usually 2-3 times.
Iron Fortifier,Manganese Sulfate,Food Grade Manganese Sulfate,Manganese Sulfate Monohydrate
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