摘要
砂姜黑土耕地的土壤质量退化,耕层变浅,土壤酸化,肥料利用率降低,作物生理病害面积和肥料的报酬逐年下降等因素的存在,制约粮食生产再上新台阶的因素逐步凸显,砂姜黑土改良与质量提升势在必行。介绍了蒙城县耕地土壤质量的现状,分析了存在的问题,提出了改良及提升地力的对策。
Because of the existence of the factors such as sand ginger black soil farmland soil quality degradation, top layer becoming shallow, soil acidification, fertilizer use efficiency reducing, crop physiological diseases area and the pay fertilizer declining year by year, the restricting factors of food production in a new level gradually highlight, and sand ginger black soil improvement and quality improvement is imperative. The present situation of Mengcheng County farmland soil quality was introduced, and the existing problems were analyzed. The countermeasures of improvement of soil fertility were put forward.
出处
《宁夏农林科技》
2013年第3期50-51,共2页
Journal of Ningxia Agriculture and Forestry Science and Technology
关键词
砂姜黑土
改良
质量提升
Sand ginger black soil
Improvement
Quality Promotion