论文部分内容阅读
玉米作为很多人都喜爱的食物之一,在我国的播种面积很大。但是,由于我国是平展型的玉米品种,玉米的产量不高,为了能够使玉米的产量更高,收获的数量更多,科学家通过两种优质玉米种的杂交,有效地提升了玉米的产量,打破了传统的育种理论。基于此,研究不同玉米杂交种中氮农学效率的高低,以及在玉米杂交种中氮农学效率的构成因素,为玉米获得高产奠定基础。
Corn, as one of the favorite foods for many people, has a large area planted in our country. However, due to the fact that our country is a flat type of maize, the output of maize is not high. In order to make the output of maize higher and the quantity of harvest more, scientists effectively improved the yield of maize through the crossbreeding of two high- Broke the traditional breeding theory. Based on this, the study of nitrogen agronomic efficiency in different maize hybrids, as well as the components of nitrogen agronomic efficiency in maize hybrids laid the foundation for the high yield of corn.