目录广东省耕地保护问题研究..............................................................................................................2摘要..................................................................................................................................................2Protection of farmland in Guangdong Province...............................................................................3Abstract..........................................................................................................................................3一、引言..........................................................................................................................................4二、耕地和基本农田变化格局.......................................................................................................42.1 耕地数量变化.....................................................................................................................42.2 耕地结构和质量变化.........................................................................................................52.2.1 水稻田地力等级状况..............................................................................................52.2.2 旱地地力等级状况..................................................................................................62.2.3 耕地结构变化..........................................................................................................6三、当前广东省耕地利用存在的问题...........................................................................................73.1 耕地数量锐减.....................................................................................................................73.2 耕地地力退化.....................................................................................................................73.3 土壤养分不协调，钾素水平偏低.....................................................................................83.4 农业生...
