5月份是小麦营养生长与生殖生长并进的旺盛生长阶段,是决定小麦具有良好的群体和健壮个体,增加有效小穗、小花,形成大穗的关键时期。栽培管理的主攻目标是合理运用肥水,促控结合,协调个体与群体关系,促根壮秆,促花增粒。 May is the vigorous growth phase of wheat vegetative and reproductive growth. It is a critical period for wheat to have good populations and robust individuals, increase effective spikelets and florets, and form large ears. Cultivation and management of the main goal is to rational use of fertilizer and water, promote the combination of control and coordination of individual and group relations, and promote strong stalks, promote flower by grain.