| By using the method of grey connected gather and classify in grey system theory, makes (evaluate) agricultural nature resource in Linfen city from the method of grey gather and classify. The result shows that divide the Linfen city into five agricultural nature resource areas, and general trend of agricultural nature resource in Linfen city is that high latitudes better than low latitudes, basin better than mountain area, countryside better than urban district, the eastern mountain area better than the western mountain area. The result still shows that the method of grey connected gather and classify calculate simple and direct, the result was object and distinct, thus providing comprehensive evaluation and division into districts in the domain of the agricultural with a new method. |