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在河西高台县五一大队蹲点的五年中,春小麦亩产一般都提高了300斤,增长40％,从中获得一些粗浅的体会。现主要从合理的产量结构、群体结构及施肥技术、灌溉技术几项主要高产栽培技术方面谈谈个人看法。一、合理的产量结构。小麦的产量是由单位面积内穗数、穗粒数和粒重三个因素构成的,河西灌区种植的主要春小麦为大穗型。据我们试验:大穗型品种亩产800斤以上的产量结构是:每亩有效穗40万以上,平均穗粒数26粒左右(最高40多粒),千粒重43克以上,每穗重
In the five years of the 51st Battalion of Gaotai County in the Hexi Corridor, the output of spring wheat generally increased by 300 pounds per mu, an increase of 40%, and some superficial understandings were obtained. Now mainly from the reasonable yield structure, population structure and fertilization techniques, irrigation technology, several major high-yielding cultivation techniques to talk about personal views. First, a reasonable yield structure. The yield of wheat is composed of three factors: the number of spikes per unit area, the number of grains per spike and the weight of grain. The main spring wheat planted in Hexi Irrigation Area is large-spike type. According to our test, the yield structure of large ears with a yield of more than 800 pounds per acre is: more than 400,000 effective spikes per mu, with an average of about 26 grains per spike (up to 40 grains), more than 43 grams of grain weight per spike