upland pasture
1.Guiping, was the best, and that of the uncultivated red soil developed in the Fourth Epoch in the pasture of the college was the worst. Ranged from 0.015-0.9 bar, the retention ability of the uncultivated soil was better than that of the upland. The range of the available water of the red soil was very narrow, and the droughts occur easily on the red soil.
