摘要
田间试验结果表明:在吉林省西部风沙土上,施用钾肥对玉米有明显的增产效果。施用K2O 75kg/hm2,相对增产值为23.6%,化肥利用率达31.7%,千粒重和穗粒数最高,为最佳用量。
The experiment results showed that application of potassium fertilizer significantly increased maize yield on aeolian sandy s and relative increasing-yield west value was Jilin province. Application of 75 kg/hm^2 K20 was the optimal amount, 23.6%, fertilizer utilization rate was 31.7%, 1000-grain weight and grains number of per ear was the highest in all treatments.
出处
《吉林农业科学》
CSCD
2008年第6期51-52,共2页
Journal of Jilin Agricultural Sciences
关键词
风沙土
钾肥
适宜用量
Aeolian sandy soil
Potassium fertilizer
Optimum application amount
