论文部分内容阅读
科学合理施用肥料可促进作物增产,提高肥料效率,保证粮食安全,为农业生产带来巨大的经济效益。随着生产的发展,农业生产中盲目、过量、不合理施用化肥造成的土壤板结,肥力下降,肥料利用率降低,环境安全受到影响,农作物硝酸盐、亚硝酸盐累积,品质降低等不利结果日益受到重视。为此,笔者在大田条件下进
Scientific and rational application of fertilizers can promote crop yield, improve fertilizer efficiency, ensure food security, bring huge economic benefits for agricultural production. With the development of production, the unfavorable results of blind, excessive and irrational application of fertilizers in agricultural production caused by soil compaction, decreased fertility, reduced fertilizer utilization rate, environmental safety, crop nitrate, nitrite accumulation and quality degradation Received attention. To this end, the author entered the field conditions