基于农户特征的山东省耕地投入水平及投入意愿调查——基于208份问卷的调查分析
기우농호특정적산동성경지투입수평급투입의원조사——기우208빈문권적조사분석
Research on the Structure of Cultivated Land Investment and Willingness to Invest Based on Famers'Situation in Shandong:The Analysis of 208 Questionnaires