论文部分内容阅读
本文论述了巴彦淖尔市耕地土壤养分含量现状和变化趋势,分析了变化的原因。结果表明,由于种植方式、耕作方式和施肥水平等原因促使该区土壤养分(有机质、全氮、速效磷)含量有了大幅度提高,速效钾含量降低,为指导当地科学施肥、逐步培肥地力提供理论依据,同时提出具体的施肥建议。
This paper discusses the present situation and trend of soil nutrient contents in cultivated land in Bayannur, and analyzes the reasons for the change. The results showed that the content of soil nutrients (organic matter, total nitrogen and available phosphorus) in the area increased greatly and the content of available potassium decreased because of the cultivation methods, farming methods and fertilization level. In order to guide the local scientific fertilization and gradually increase soil fertility Provide a theoretical basis, while putting forward specific recommendations for fertilization.