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小麦出苗后,由于种种原因形成各种弱苗、黄苗,甚至死苗,对产量影响很大。现将小麦弱黄苗形成原因及其补救措施介绍如下。(一)施肥不当的肥烧苗由于底肥没有腐熟,种肥(化肥、微肥)施用过多,幼苗、种子接触到这些肥料以后,易被烧伤,致使叶片或叶尖发黄。这种情况可用
After emergence of wheat, due to various reasons, the formation of a variety of weak seedlings, yellow seedlings, and even dead seedlings, a great impact on the yield. Weak wheat seedlings are now formed causes and remedial measures are described below. (A) fat manure improper fertilizer due to the maturity of base fertilizer, fertilizer (fertilizer, fertilizer) too much, seedlings, seeds exposed to these fertilizers, easily burn, resulting in leaves or tip yellow. This situation is available