arable soil nutrients 耕层土壤养分
arable meadow soil 耕作草甸地
arable brown soil 耕地棕壤
arable black soil 农田黑土
The arable soil nutrients was surveyed in Fengrun District of Tangshan City. The results showed that the content of organic matter,total-N,olsen-P,available K was on the rise which range was 2.22%~511.76%.
通过对唐山市丰润区耕地土壤养分的调查,结果表明,与1982年土壤普查结果相比,有机质、全氮、有效磷、速效钾含量均呈上升趋势,上升幅度为2.22%~511.76%。
参考来源 - 唐山市丰润区耕地土壤养分变化研究—《现代农业科技》—2010年第21期—龙源期刊网·2,447,543篇论文数据，部分数据来源于NoteExpress
The heavy use of agrochemicals has led to a severe deterioration of arable soil and poses a serious threat to domestic grain output, China Daily reported.
据《中国日报》报道，大量使用农用化学品已经导致我国耕地质量严重退化，并对国内粮食产量构成威胁。
Simulated rainfall experiments with 3 loessial soils of Ansai, Suide, Yangling, and Yangling arable soil were conducted to evaluate effects of rainfall and soil structure on raindrop splash.
选用黄土高原地区的安塞黄绵土、绥德黄绵土、杨陵粘黄土、杨陵农地耕层土进行人工降雨溅蚀试验 ，研究了降雨特性和土壤结构对雨滴溅蚀的影响。
应用推荐