摘要
非典型的土壤钾的Q/I曲线给土壤钾素的供应状况的判断带来困难,为查明其形成原因,选择了省内几种具有代表性的土壤,研究了添加不同量钾的条件下土壤Q/I曲线的变化,结果表明:(1)非典型的土壤钾的Q/I曲线的形成与土壤速效钾的数量有关;(2)速效钾的数量主要影响ARo,对PBC和Kx的影响不大。
In order to find the cause of non-typical soil potassium Q/I curve, we studied the change state of soil potassium Q/I curve in Anhui province by adding different quantity of potassium. The results indicate： （1） the formation of Q/I curve of the non-typical soil potassium is connect with the quantity of soil available potassium; （2） the quantity of soil slow result potassium mainly influences on AR0, but influences on PBCk or Kx unclearly.
出处
《芜湖职业技术学院学报》
2007年第1期50-53,共4页
Journal of Wuhu Institute of Technology
关键词
土壤钾
Q/I曲线
钾活度率
速效钾
缓效钾
soil potassium
Q/I curve
buffering capacity
soil available potassium
soil slow result potassium.
