[CJ-15-15]Analysis of influencing factors of agricultural productivity and cultivated land dynamics based on simultaneous formulas in Northeast China

Author：　　Periodical： 　　Source：

Author：Jiang, Qun’ou, Yuwei Cheng, Xiaochan Xue, Xiangzheng Deng, Lixin Chen, Chengjing Nie　　Periodical：Transactions of the Chinese Society of Agricultural Engineering, Vol. 31, No. 24 (2015): 289-297.　　Source： ccap