贵州山区坡耕地综合利用与整治

Comprehensive Exploitation and Renovation on the Slope Farmland in Guizhou Mountain Region

贵州山区的坡耕地主要集中在 6～ 2 5°,全省这个坡度的耕地共 2 910 4 2 9hm2 ,占全省耕地总面积的6 1.0 1% ,而全省≤ 6°的耕地仅为 91114 9hm2 ,占全省耕地总面积的 19.10 % ,全省还分布有≥ 2 5°的陡坡耕地94 86 0 7hm2 ,占全省耕地总面积的 19.89%。针对全省耕地的状况与特征 ,就全省各种不同坡度等级的坡耕地 ,提出了综合利用与整治的方法和途径。

The slope farmland of Guizhou distributes mainly between 6° and 25° mountain region.The area of that is 2 910 429 hm^2,accounting for 61.01% of the total area of farmland in Guizhou Province. The area of farmland ≤6° is 911 149 hm^2,only occupies 19.10% of the total area of farmland.The area of steep slope farmland ≥25° is 948 607 hm^2,occupies 19.89%.Based on the feature and recent situation of farmland in Guizhou Province,the method of comprehensive exploitation and renovation is put forward.