Introduction: Rural poverty is a multidimensional issues, it is influenced by economic growth level of agricultural sector and income distribution term. Investment as a policy variable has an effective impact on agricultural economic growth, which it may impacts on poverty, information of rate and direction effects of agricultural. Therefore, investment is important in rural poverty alleviation plans.

  Method: The present research attempted to determine how agricultural investment (capital stock), labor and income distribution are related to agricultural growth and poverty in the rural areas in Iran. The time series date of 1971-2003 was obtained and analyzed by using regression model. The designated equations system was manipulated and its coefficients were calculated by using “E-views” software. The statistical society included the whole rural areas and agriculture sector in Iran.

  Findings: The impacts of capital stock, labor, and total productivity of production factors on the economic growth of the agricultural sector are significant.

  Conclusion: All in all, Increasing of capital stock (investment) in agricultural sector can help to absolute poverty alleviation in our country.