摘要
采用三因素五水平最优回归设计 ,对草原进行不同施肥数量及不同肥料品种的施肥试验 ,研究施肥对不同时间内的草原土壤养分动态变化影响 。
The experiment was conducted as an optimum regression design to study the effects of fertilizer application on the dynamic of nutrition in grassland soil in Baicheng region of Jilin province.The results showed that different rates and kinds of fertilizer affected the dynamic of nutrition in grassland soil.
出处
《安徽农业科学》
CAS
2001年第1期88-89,共2页
Journal of Anhui Agricultural Sciences
关键词
草原
施肥
动态变化
土壤养分
Grassland,Fertilizer applization,Optimum regression design
