摘要
本文对不当和过量施用氮、磷、钾化学肥料对土壤的污染及肥力影响进行了综述，并提出了相应的防治对策。
Unrational and excessive application of nitrogen, phosphorus, and potassium chemical fertilizers causes pollution and decrease in soil fertility. All the negative effects aresummerised and the control measures are suggested in this paper.
出处
《农业环境保护》
CSCD
1998年第1期40-43,共4页
Agro-Environmental Protection
关键词
化肥
环境污染
防治措施
土壤污染
chemical fertilizers, farmland, negative effect, control measure.
