Wheat is an important food crop for mankind, simultaneous improvement of wheat yield and quality is human most important goal, but they often cannot increase at the same time.

中文翻译：

---

延迟施水和施肥提高了小麦产量，但没有改善品质参数


小麦是人类重要的粮食作物，同时提高小麦产量和品质是人类最重要的目标，但它们往往不能同时增加。