Huang, Xiao; Ding, Zhong-Yi; Tao, Yu-Qiong; Lian, Hui-Min - In: Asian Agricultural Research 2 (2010) 08
Based on the introduction of the general situation of research region, pressure index model of cultivated land is adopted according to the data of population, cultivated land area, crop sowing area, grain sowing area, and unit grain yield in the Statistical Yearbook of Fengxian County. The...