休闲地土壤耕作 fallow soil cultivation
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
施工过程对农田耕地土壤、尤其是对土壤耕作层的影响最为严重。
Project construction has rather great impact on farmland soil, especially most serious on soil plough horizon.
其中耕地土壤盐碱化的危害，是造成新疆农业低产的主要原因之一。
The soil salinization of cultivated land is one of the main reason that caused the low-yielding agriculture in Xinjiang.
利用人工模拟降雨装置对影响坡耕地土壤入渗的诸因素进行了研究。
Using the simulated rainfall methods, the affecting factors of soil infiltration are studied.
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