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在氮肥总量固定、磷肥基施、基追肥比例 5∶5条件下 ,经过对冬麦追肥时期几种不同组合处理得出 ,以返青期 +拔节期 2次追肥增产效果好 ,其次是返青期追肥。
Under the condition of total amount of nitrogen fertilizer, phosphate fertilizer, basal top dressing ratio 5: 5, after several different combinations of topdressing wheat winter wheat, the effect of topdressing on topdressing stage and jointing stage is good, followed by turning green stage top dressing.