【序号】:1
【作者】:K. W. T. Goulding
【题名】:The availability of potassium in soils to crops as measured by its release to a calcium-saturated cation exchange resin
【期刊】:The Journal of Agricultural Science
【年、卷、期、起止页码】:1984、103期、265-275
【全文链接】:
http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=4654792【序号】:2
【作者】:Haylock, O. J.
【题名】:A method for estimating the availability of non-exchangeable potassium.
【期刊】:Trans.Int. Congr. Soil Sci. 6th Congr.
【年、卷、期、起止页码】:1956、(Paris) II、1、403-408
【全文链接】:暂无
【序号】:3
【作者】:Maclean, A. J.
【题名】:Potassium-supplying power of some Canadian soils
【期刊】:Can. J. Soil Sci