运城地区小麦生产占有全省1/3的面积和将近1/2的产量,长期以来亩产仅200—300斤。为了进一步提高产量就需根据小麦的生态条件和它的生长发育特点进行科学栽培,而幼穗分化规律、分蘖成穗规律和种子灌浆规律是其核心内容,也是指导小麦生产的理论依据。几年来,我们对这三个规律进行了观察研究。 The production of wheat in the Yuncheng area occupies 1/3 of the province’s area and nearly 1/2 of the output, and the per-mu yield has only been 200-300 jin for a long time. In order to further increase the yield, it is necessary to carry out scientific cultivation according to the ecological conditions of wheat and its growth and development characteristics. The differentiation of young spikes, the law of tillering and spike, and the law of seed filling are the core contents, and are also the theoretical basis for guiding wheat production. In recent years, we have observed and studied these three laws.