@article{孙振宁_708, author = {[孙振宁, 谢云, 段兴武]}, title = {生产力指数模型PI在北方土壤生产力评价中的应用}, publisher = {自然资源学报}, year = {2009}, journal = {自然资源学报}, volume = {24}, number = {4}, eid = {708}, pages = {708-717}, keywords = {

土壤生产力;土壤生产力评价;PI模型;中国北方耕地类型区;土壤理化性质

}, doi = https://www.jnr.ac.cn/CN/10.11849/zrzyxb.2009.04.017 }