引用本文: | 张思文, 陈晓辉, 童灵, 等. 土壤交换性钙和镁测定方法的改进研究[J]. 云南农业大学学报(自然科学), 2020, 35(6): 1081-1088. DOI: 10.12101/j.issn.1004-390X(n).201912013 |
Citation: | Siwen ZHANG, Xiaohui CHEN, Ling TONG, et al. Method Improvement for Determination of Soil Exchangeable Calcium and Magnesium[J]. JOURNAL OF YUNNAN AGRICULTURAL UNIVERSITY(Natural Science), 2020, 35(6): 1081-1088. DOI: 10.12101/j.issn.1004-390X(n).201912013 |