摘要
Abstract
In agricultural production,water and fertilizer are essential elements,which are closely connected but also mutually restrictive. The water nitrogen coupling can regulate the absorption of soil moisture and nutrients,and achieve an integrated management model of water and fertilizer,ensuring efficient utilization of water and fertilizer resources while increasing crop yield. Maize is a typical crop with high water and nitrogen requirements. Insufficient water and nitrogen supply during its critical growth period can affect its photosynthesis,thereby affecting dry matter accumulation and ultimately reducing its yield,wasting agricultural resources. This paper reviewed the effect of water nitrogen coupling on dry matter accumulation,photosynthesis,yield and composition factors and water fertilizer utilization efficiency in maize,so as to provide guidance for rational irrigation and fertilization of maize.关键词
玉米/水氮耦合/产量/水肥利用效率/研究进展Key words
maize/water nitrogen coupling/yield/water fertilizer utilization efficiency/research progress分类
农业科技
