论文部分内容阅读
小麦磷素营养与施用技术孙进明，孙新华，张书忠（河南省周口地区农科所）据田间试验调查，对于严重缺磷土壤，小麦苗期突出表现为生长缓慢，分蘖、返青、抽穗延迟，植株矮小，分蘖少，根系弱，干物质积累也少。此外，还表现出叶片狭窄，越冬或拔节期遇低温呈紫色，严重时...
Wheat phosphorus nutrition and application techniques Sun Jinming, Sun Xinhua, Zhang Shuzhong (Henan Province Zhoukou region of Agricultural Sciences) According to field trials, for severe phosphorus-deficient soils, wheat seedling stage is characterized by slow growth, tillering, turning green, Little, less tiller, weak roots, less dry matter accumulation. In addition, the leaves also show narrow, overwintering or jointing encounter low temperature purple, severe ...