白浆土大豆钾肥适宜用量试验初报  

Primary Report on Optimal Potassium Dosage for Soybean in Albic Soil

作　　者：刘永权[1] 马云龙[1] 韩延朴 吕国飞[1] 乔英[1] 吕玉萍[1] 

机构地区：[1]榆树市农业技术推广服务中心,吉林榆树130400

出　　处：《天津农业科学》2009年第1期66-68,共3页Tianjin Agricultural Sciences

摘　　要：对吉林省榆树市白浆土种植大豆施用钾肥的适宜用量进行了研究。结果表明:小区试验钾的适宜用量为K2O40.05～60kg/hm2。示范试验施用K2O40.05kg/hm2,大豆平均增产125.25kg/hm2,平均增产9.4%,平均增收306元/hm2。The suitable amounts of potassium fertilizer for soybean were studied in albic soil in Yushu, Jilin. The result indicated that the suitable application amount of potassium in plot experiment was K2O 40.05 - 60 kg/hm^2. The demonstration experiments applied K2O 0.05 kg/hm^2, the soybean production increased 125.25 kg/hm^2, about 9.4% in average, additional incomes were 306 yuan/hm^2.

关 键 词：白浆土 大豆 钾肥用量 

分 类 号：S565.1[农业科学—作物学]