摘要
对成都市耕地质量普查中,结果表明:成都市40.81万hm2耕地及园地中存在6个重要问题:①近70%的耕地有机质含量为中、低水平;②土壤有一定程度的酸化;③普遍缺钾;④有效硼严重缺乏;⑤近1/3的耕地缺有效锰;⑥局部耕地有不同程度的重金属污染。针对上述问题,提出了提高成都市耕地质量的对策。
Through the investigation on farmland quality in Chengdu,6 main problems on farmland and garden plot of 408 100 hm2 were found. （ i ）The organic matter content of about 70% farmland was in mlddle or low level. （ ii ）There was some degree acidification in soil. （iii ）The soil was general deficiency of potassium. （ iv ） The soil was serious deficiency of available boron. （ V ） About 1/3 farmland was lack of available manganese. （ vi ） There was different degree heavy metal pollution in local farmland.
出处
《西南农业学报》
CSCD
2008年第4期1033-1035,共3页
Southwest China Journal of Agricultural Sciences
基金
成都市农委资助项目
关键词
耕地质量
存在的问题
成都市
quality of cultivated lands
problems
Chengdu
