plough layer meaning in English

耕作层

A study on the effects of several kinds of fertilizer used to the whole plough layer on high quality early rice
优质早稻不同类型肥料全层施用效应的研究
The variation of organic - mineral complex content and the distribution characteristics of organic carbon fractions in black soil plough layer under different tillage periods
开垦对黑土有机碳在有机无机复合体分配的影响
The most economic way is to mechanically " bury " all the harvested straw under the ploughed layer straight away after the harvest , letting it be decomposed there
最为经济的还田方式是在土壤耕作之际将稻草全部翻压在土壤的犁底层，让其在此腐解。
For the cultivated study field , the 137cs concentration is relatively uniform within the plough layer . 2 . the difference and sameness among the existing l37cs models have been discussed , and their precision have been validated by comparing with the regressive model of soil erosion
分析了~ ( 137 ) cs示踪农耕地土壤侵蚀速率模型间的异同，并以土壤侵蚀的经验回归模型为参照对~ ( 137 ) cs法计算的土壤侵蚀速率进行验证。