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玉米是我县山区粮食作物之一,是发展畜牧业的重要饲料.我县历年种植玉米2—3万亩,亩产在250斤左右.近三年来,推广杂交玉米—中单二号,亩产提高到500多斤,但产量很不平衡,高的亩产1,079.4斤,低的不到400斤.通过土壤普查,我县旱地土壤养分缺乏,氮、磷极缺,钾中量.改进玉米的施肥技术,对稳定提高玉米产量,开发利用中低产土有重要作用.为此,1985年我们在杭口乡中高?村、坪下村进行了秋玉米测
Maize is one of the county grain crops in the county, is an important feedstock for the development of animal husbandry.My county in the calendar year planted 2-3 million mu of corn, mu yield of about 250. In the past three years, the promotion of hybrid corn - Zhongdan 2, mu Production increased to 500 kilos, but the output is very uneven, high per mu yield of 1,079.4 kg, low of less than 400 kg. Through the soil survey, the lack of nutrients in dry land in our county, N, P extremely short, the amount of potassium. Of fertilization technology, to stabilize raising corn yield, exploitation and utilization of low-yield soil has an important role.To this end, in 1985 we Hang Hau Township, Zhong Gao? Village, Ping Xia Village autumn corn test