Analysis of the Factors Influencing the Variation of Corn Yield under the Background of Temporary Purchase and Storage Policy Adjustment —— Take Hebei Province as an Example
WANG Shuai, DAI Fang, ZHANG Xu, CAO Jie-jie, HUA Han-rui, YANG Shuang
Animal Husbandry and Feed Science . 2020, (1): 88 -91 .  DOI: 10.12160/j.issn.1672-5190.2020.01.016