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土地是人类生存和发展的基础资源,保护耕地是我国一项基本国策,开发土地资源必须以治理水土流失为前提的重要性已为众所周知。在坡地农业中,如果不能做到有效保护耕地的要求,即使在其他方面能够获得再大现时利益的任何举措都是不宜推行的。迄今为止,
Land is the basic resource for the survival and development of mankind. Protecting cultivated land is a basic national policy of our country. It is well known that the exploitation of land resources must take soil erosion as a prerequisite. In sloping agriculture, any move to gain even greater current benefits in other areas should not be pursued unless the requirements for effective protection of arable land can not be met. So far,