Improper application of fertilizers for summer maize burnable seedlings
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Select fertilization varieties, control the amount of fertilizer such as urea-based fertilizers should not be used as seed fertilizer, otherwise it is easy to burn seedlings, can use nitrogen, phosphorus, potassium compound fertilizer. Maize seedlings need less fertilizer, in order to reduce waste, the amount of fertilizer application should not be too large, generally about 10 kg per acre, especially when sowing, it is necessary to strictly control the amount of fertilizer application. When doing a good job of separating fertilization for seed fertilizer, in order to avoid direct contact between seeds and fertilizers to cause burning of seedlings, the seeds should be separated from the fertiliser by 7 to 10 centimeters during mechanical sowing; when sowing artificially, it is necessary to fertilize the seeds for deeper application or between species. Deep hole. To ensure soil moisture application of fertilizer land, should be enough to plant seedlings or sodding after pouring water, in order to play a "dilute" seed fertilizer effect, can be reduced to a certain extent, a large number of seed fertilizer caused by burning phenomenon.