Research on the Entry of Multinational Seed Industry to Seed Purchase and Using Behavior of Vegetable Farmers:Evidence from Shouguang in Shandong Province

Based on the survey data of 506 vegetable farmers in Shouguang,this paper analyses the situation of the seed purchase and using behavior of vegetable farmers by principal components analysis and linear regression method.The conclusions show that "Foreign seed" had taken control of China's vegetable seed market;the farmers did not realize that "foreign seed" was risky;the mostimportant factors that influence the farmers' decisions are monopoly and the income of the seed.