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中阳县暖泉镇王家庄一带是全县光、热资源最丰富的地区,无霜期可达200天,但历年来旱灾频繁。1989年春旱一直延续到6月份,玉米、高粱等大秋作物已超过播期1个多月,当地的农民都把下种的希望寄托在谷子、糜子、莜麦、荞麦等小秋作物上。我们通过细心翻阅当地历年降雨资料,从中找到了一条“春夏连旱,秋雨不断”的规律,拟定了一个晚播覆盖玉米栽培试验方案。6月7日降了24.8毫米雨,立即动员农技示范户每户搞1亩示范田。试验田全部选择在经过
Zhongyang County, warm spring town Wangjiazhuang area is the county light, heat the most abundant areas, frost-free period up to 200 days, but frequent droughts over the years. Spring drought in 1989 continued until June, corn, sorghum and other big autumn crops have more than sowing more than 1 month, the local farmers put the hope of planting the millet, millet, millet, buckwheat and other small autumn crops. Through careful reading through the local rainfall data over the years, we found a “spring and summer drought, autumn continuous” law, developed a late-sowing corn cultivation test program. On June 7, 24.8 millimeters of rain was dropped, and 1 mu of demonstration farms were mobilized for demonstration of agricultural technology demonstration households. All the experimental field after the election