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geng di bao hu yu san gao nong ye
Author(s): 
Pages: 238-241
Year: Issue:  4
Journal: Ecology and Environmental Sciences

Keyword:  耕地“三高”农业土壤保护;
Abstract: 耕地保护具有量与质的内容,广东省近十几年来耕地锐减,仅1992—1993年两年就减少耕地16.177万hm2,且减少的大多数是良田,旱地相对增加,低肥力坡耕地比重增大,因此提高耕地质量更为重要。坡耕地水土流失严重,难以培肥,这与“三高”农业相悖。高产高质高效农业应以健全的土壤为基础;而培肥坡耕地,必先要搞好坡耕地的水土保持。因此必须总结保土培肥经验,加强对保土耕作技术的研究。
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