为了探索夏播大豆追肥效果,去年,我们黑山县农业技术推广中心在无梁殿镇卡拉木村做了麦茬大豆的追肥效果试验,取得十分理想的效果。 该地块为砂壤土,肥力中等,种麦时亩施磷酸二铵15公斤,5月5日亩追尿素20公斤。小麦收获后,7月15日播种大豆,品种为黑河6号,随种亩施磷酸二铵5公斤,做种 In order to explore the summer sowing soybean topdressing effect, last year, we Heishan County Agricultural Technology Promotion Center in the non-Liangdian Karakamura made wheat stubble soybean top dressing effect test, and achieved very good results. The plot of sandy loam soil, moderate fertility, when planting wheat 15 acres of ammonium phosphate, 15 acres of urea recovery on May 5 20 kg. After the wheat is harvested, the soybean is sown on July 15, the variety is Heihe No. 6, and 5 kg of diammonium phosphate