摘要
通过对牡丹区水浇地小麦一玉米种植模式下,对2007-2013年全区20个土壤耕地地力定位监测点的土壤养分情况进行了综合分析,初步探讨了不同土壤质地中有机质,碱解氮,有效磷,速效钾的含量变化趋势,并分析了造成这种变化的相关因素。
Soil fertility in 20 in terms of their dynamic texture in organic matter, monitored plots of wheat and corn fields from 2007 to 2013 were monitored change of nutrients were comprehensively analyzed. The tendency of soil nitrogen, phosphorus, potassium content was recognized.
出处
《陕西林业科技》
2015年第4期8-10,共3页
Shaanxi Forest Science and Technology