论文部分内容阅读
本文根据作者及前人的试验结果,探讨了以往选择土壤有效磷化学提取剂的各种依据,提出了应根据土壤有效的各形态磷量多少的顺序选择提取剂的观点,并据此观点制成“土壤有效磷化学提取剂选择表”可供实际运用时参考。
Based on the experimental results of the author and his predecessors, this paper explores the various bases for selecting soil active phosphorus chemical extractants in the past, and puts forward the viewpoint that the extractant should be selected according to the order of soil available phosphorous quantities. Based on this point of view Into the “soil available Phosphorus chemical extract table” for practical reference.