1影响小麦品质的主要营养因素1.1营养元素对小麦品质的影响1.1.1氮素对小麦品质的影响。施氮量和施氮时期对小麦品质的影响十分明显,氮肥种类和施肥方法也有一定作用。一般施氮量增加,蛋白质含量增加,而籽粒蛋白质含量与面筋含量关系密切,因而施氮也影响着面粉的加工品质。如果 1 The main nutritional factors affecting the quality of wheat 1.1 nutrient elements on the quality of wheat 1.1.1 nitrogen on the quality of wheat. The effect of nitrogen application rate and nitrogen application period on the quality of wheat is very obvious. The types of nitrogen fertilizer and fertilization methods also play a certain role. In general, the amount of nitrogen fertilizer increased, the protein content increased, and the grain protein content and gluten content are closely related, so nitrogen also affects the processing quality of flour. in case