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Heilongjiang, as the major grain producing province, makes outstanding contributions to grain. Farmers mainly engage in food production and their household operating income mainly depends on food income. Therefore, to protect farmers’ food income in Heilongjiang has become the key problem of ensuring food security. Through correlation analysis, multiple linear regression and path analysis, the paper using the relevant data from 1995 to 2013 analyzes the relationship between agricultural production material investment and farmers’ household operating income in Heilongjiang, analyzes its direct and indirect influences and ultimately comes to the conclusion that production material has a positive impact on farmers’ household operating income, but the difference of influencing degree is large with different production material investment. Keywordsproduction material investment; farmers; household operating income; direct influence; indirect influence I. MULTIPLE LINEAR REGRESSIONS The purpose of the study is to analyze influencing factors of farmers’ income and gets its main reason. So the paper analyzes the selected data using multiple linear regression models and specific form of the model is as follows[1]:

Research on the Influence of Household Operating Income in Heilongjiang from Agricultural Production Material Investment