Abstract:

Food problem is our country's strategic problem. The cultivated land is the base of food production. As an important agricultural province, the change of the cultivated land attracts the attention in Henan Province. Through the surplus method, fluctuation of the cultivated area in Henan Province is analyzed. The paper gets the results: Since 1978 the cultivated area experienced three stages, reduction-increase-stability. The fluctuation is a classical fluctuation and the fluctuation cycle is middle or short. The relationship between the cultivated area and the factor should be studied.