This paper has discussed the method of cement and quick lime soil piles combination for supporting the circular shaped foundation pit.
本文介绍用水泥和生石灰土桩联合围护圆形基坑的方法。
The fine-roots of Betula platyphylla forest have quick decomposition rate, so it plays an important role in soil nutrient return.
白桦林细根分解较快，在土壤养分归还方面能发挥重要作用。
Based on field fertilizer experiment of cotton under drip irrigation in the area, cotton nitrogen diagnosis and nitrogen fertilizer recommendation with soil inorganic nitrogen quick test was st.
在南疆滴灌条件下进行氮肥大田试验，对应用土壤无机氮测试进行棉花氮素营养诊断及氮肥推荐进行了研究。
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