摘要
本文调查分析了辽宁昌图县土壤有效钾含量现状,并与全国第二次土壤普查(1979年)情况作了比较。结果表明昌图县土壤有效钾含量整体呈现下降趋势。根据上述情况,提出了合理施肥建议。
This paper deals with the changes of soil＇s available K in Changtu city. Comepared with the soil nutrientecoments content from the second survey（1979）. The available of K was decressing. According to above results, finding some suggestions are put forward.
出处
《安徽农学通报》
2007年第24期63-63,78,共2页
Anhui Agricultural Science Bulletin
关键词
有效钾
变化
分析
Available potassium
Change
Analyse
