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冬小麦脱肥落黄苗的转化措施小麦脱肥落黄苗主要发生于土壤肥力较低的田块。由于有机肥用量不足,而前期施用的速效肥,经过秋、冬两季已消耗殆尽,春季正值植株需要大量养分的关键时期,如供肥不及时就会落黄早衰,以致麦苗返青迟,生长缓慢,叶片狭窄,叶色淡黄,功能期...
Transformation of winter wheat off yellowing seedlings off wheat yellowing off fertilization occurs mainly in the lower soil fertility plots. As the amount of organic fertilizer is insufficient, and the quick-acting fertilizer applied in the early stage has been depleted in autumn and winter, the spring is at a critical period when plants need large amounts of nutrients, , Slow growth, narrow leaves, leaf color yellow, functional period ...