红壤在我国占有很大的面积,广泛分布于我国广东、广西、江西、湖南、福建、云南、四川、貴州等省。例如在江西,紅壤約占全省土地总面积的百分之四十六。主要分布在河岸阶地盆地边沿的丘陵地带,多为第四紀紅色粘土发育的紅壤;目前,分布在低平地方的紅壤,已多半利用来种植作物了,但是产量很低,例如江西紅壤地的小麦,一般每亩只收五十斤上下。据粗略統計,全国还有未利 Red soil occupies a large area in our country, widely distributed in China Guangdong, Guangxi, Jiangxi, Hunan, Fujian, Yunnan, Sichuan, Guizhou and other provinces. In Jiangxi, for example, red soil accounts for about 46% of the province’s total land area. Mostly distributed in the hilly terraces of river terrace terrains, mostly red soil developed in Quaternary red clay. At present, the red soil distributed in the lowland has been mostly used to grow crops, but the yield is very low, for example, Wheat, generally only received 50 pounds per acre up and down. According to rough statistics, the country still has no benefits