春季小麦不利因子分析及应变管理措施西平县农业技术推广站杨新志谢耀丽小麦返青以后，随着温度的回升，麦苗进入旺盛生长阶段，需水需肥增多，对外界环境条件敏感，生长条件适宜与否，不仅影响亩穗数，而且影响穗粒数。对干旱、冻害、脱肥、病虫害等春季小麦不利因子进行... Adverse factor analysis and strain management measures of spring wheat in Xiping County Yang Xinzhi Xie Yangli Wheat rejuvenation, with the temperature rise, wheat seedlings into the vigorous growth stage, increased water demand and fertilizer, sensitive to the external environmental conditions, the appropriate growth conditions or not , Not only affect the number of acres of spikes, but also affect the number of grains per spike. On the drought, frost damage, fertilization, pests and other spring wheat adverse factors ...