Layout and mode partition of high-standard basic farmland construction at county level based on four-quadrant method

This paper evaluated the cultivated land quality from site conditions, physical properties, chemical properties and utilization condition of cultivated land, and evaluated the construction suitability of high-standard basic farmland from infrastructure conditions, regional economic conditions and the desire of the farmers. In the process of evaluation, the selected evaluation factors were first given different weights and then were quantified, and finally comprehensive evaluation on each evaluation unit was made. The results shows that both of the cultivated land quality and the suitability of high-standard basic farmland are higher value along the Wuhua river and Qinjiang region in Wuhua County, and decrease gradually with the increase of the distance to this region. The quality of cultivated land along the river is relatively higher because of the better irrigation condition, more fertilizer application and longer cultivating history along with land improvement. At the same time, the economic conditions and