摘要
对清徐县1995~2005年土壤养分进行了动态监测,结果表明:全县土壤养分的变化状况呈上升趋势,其中上升幅度最大的是有机质,全氮上升幅度较大,速效磷整体呈上升趋势,但潮土速效磷有下降趋势,上升幅度最小的是速效钾。通过监测分析,提出了提高土壤肥力的有效措施。
The paper analyse the soil fertility status of QingXu from 1995 to 2005.The regulary and acquire the evolutional regulary of soil fertility.The trend of nutrient is rised.The organic matter increased remarkly.The rapidly available potassic was low.Some suggestions were made in order to find a new development way to enhance the soil fertility.
出处
《山西农业科学》
2007年第9期73-75,共3页
Journal of Shanxi Agricultural Sciences
关键词
养分
土壤
施肥
Nutrient
Soil
Applies fertilizer