冬小麦全耕层播种增产效果及其原因分析

冬小麦全耕层播种是针对回茬麦产量低及劳畜力紧张等问题而创立的一套较为完整的高产栽培技术，８０年代以来，在晋南北部麦区已大面积推广应用。与常规条播比较，亩穗数增加９．６万，穗粒数多１．６粒，千粒重提高２．１ｇ，平均亩增产１２．２５％。

Analysis of Effect and Reason of Increasing Yield of the Sowing of Total Cultivated Horizon on Winter Wheat

The cultural technique with high yield of the sowing of total cultivated horizon onwinter wheat is a set of total simplified culture techniqus for getting high yield,which was advanced to solve the problem of aftercrop wheat with low yield and the lack of work and livestockforce.Since 1980's,the technique had been applied and recommented in Hongtong county andothers,which is belong to the Chinese north wheat region in the south of Shanxi.The characteristics of growth and development,reason of increasing yield and main points of culture techniquesfor wheat with sowing of total cultivated horizon were dissected in this paper.Two types ofachieving yield of one ton grains per mu were discussed in the north boundary in region of twocrops a year.A kind of two crops is one common and one interplanting(ordinary crop wheat,inter planting middle-late corn).Another is two interplantng(interplantng wheat and corn)