The results of genetic cluster analysis of N utilization efficiency showed that 137 wheat parents could be divided into three types.
小麦亲本氮素利用效率的遗传聚类分析，将137个小麦亲本分为三类。
Results showed that rational use of chemical fertilizer not only increased wheat yield, but also increased N, P and K content in wheat to some extent.
结果表明，合理施用化肥不但增产幅度大，还在一定程度上增加了小麦N、P、K养分浓度。
The results showed that N fertilizer could improve the nutrition quality of wheat, increase paste strength and flexibility, but decrease paste ductibility.
试验结果表明：施用氮素化肥能明显改良小麦品质，提高小麦营养品质，增强面团强度和筋力，降低面团的延展性；
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