华北农牧交错带农田-草地景观土壤速效氮界面研究
傅尧, 刘利, 林长存
Study on Soil Available Nitrogen Boundaries of Farmland-grassland Mosaic in Agro-pastoral Transition of North China
FU Yao, LIU Li, LIN Chang-cun
草地学报
.
2014, (6): 1222
-1226
.
DOI: 10.11733/j.issn.1007-0435.2014.06.011