26年来东北黑土区土壤养分演变特征

康日峰，任意，吴会军，张淑香

Changes in the Nutrients and Fertility of Black Soil over 26 Years in Northeast China

KANG Ri-feng, REN Yi, WU Hui-jun, ZHANG Shu-xiang

中国农业科学 . 2016, (11): 2113 -2125 . DOI: 10.3864/j.issn.0578-1752.2016.11.008