太谷县自然条件适宜冬小麦生长发育,生产条件较好,因而单产较高。1979年全县14.78万亩小麦平均亩产427斤,城关公社北关大队515亩亩产1,047斤。为了进一步提高小麦产量,我们作了一些观察和分析,分述如下。一、太谷冬小麦生长发育特点 1.全生育期长,前慢后快太谷小麦多年是9月中旬播种,翌年6月下旬收获,全生育期长达270天左右。其中出苗至拔节为202天,拔节至抽穗为32天,抽穗至成熟为35天。这三个发育阶 Taigu natural conditions suitable for winter wheat growth and development, production conditions are good, and thus yield higher. In 1979, the county averaged 147,800 mu of wheat per mu yield 427 kg, and Chengguan Commune North Gate Brigade 515 mu mu produce 1,047 kg. In order to further improve wheat production, we made some observations and analysis, are as follows. First, Taigu winter wheat growth and development characteristics 1. The whole growth period is long, slow before the fast Taigu wheat is sown in mid-September for many years, the harvest in late June the following year, the whole growth period of up to 270 days. Among them, emergence to jointing was 202 days, jointing to heading for 32 days and heading to maturity to 35 days. These three developmental stages