Wheat is one of the most important food crops in China, in which winter wheat takes up 80% in areas. 50kgs of winter wheat absorb 1.4-1.6kgs N fertilizer and 0.5-0.75kgs of P fertilizer, K fertilizer 1.5-2kgs, the proportion of N:P:K is 1:0.33:1. There are many differences in fertilizing because of different breed, soil and climate etc.
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