@article{Li Kehuang_23, author = {Li Kehuang, Zhong Zhaozhan}, title = {THE INFLUENCES OF PRECIPITATION RESOURCE ON GRAIN CROP YIELD IN DRY AREAS OF WESTERN HENAN PROVINCE AND THE COUNTERMEASURES}, publisher = {JOURNAL OF NATURAL RESOURCES}, year = {1997}, journal = {JOURNAL OF NATURAL RESOURCES}, volume = {12}, number = {1}, eid = {23}, pages = {23-28}, keywords = {

Grain production in dry area;water surplus and shortage;geographic risk policy making;Western Henan Province

}, doi = https://www.jnr.ac.cn/EN/10.11849/zrzyxb.1997.01.004 }