水平沟 meaning in English
contour trench
horizontal ditch
Examples
- Primary study on suitable spacing of level trench in grassland small watershed
草地小流域治理水平沟适宜间距初探 - Sulcus horizontalis cerebelli
小脑水平沟 - In abandon farmland afforestation , can use soil preparation of channel of hold up fosse , level , dig the measure such as segregation belt
在弃耕地造林，可采用撩壕、水平沟整地、挖隔离带等措施。 - ( 2 ) the losses of organic carbon , nitrogen , phosphorus and potassium were different in different farming systems . this losses of these elements according to respective farming systems was the following order : tradition > grass stripe > contour ditch > fallow > contour dam . compared with traditional fanning practices , others farming systems reduced losses of organic carbon , nitrogen , phosphorus and potassium and losses in contour dam , contour and fallow were much less than grass stripe and contour ditch
( 2 )不同农作措施径流小区有机碳、氮、磷、钾流失差异明显，有机碳、氮、磷、钾流失总量的顺序为：顺坡农作水平草带水平沟休闲等高土埂，同顺坡农作相比，其他农作措施均有减少有机碳、氮、磷、钾流失的作用，以等高土埂、等高农作、休闲处理减少土壤有机碳、氮、磷、钾流失的效果较好。 - According to climate condition , soil condition and afforesting tree species and water requirement rule of forest and grass , the paper analysed and calculated the slope length for collecting stream of three site preparation methods which were reverse - slope terrace , level trench and scale - hole , and the slope length for collecting stream of deferent gradients and planting bandwidths were acquired
摘要根据宁南山区的气候、土壤、造林树种等，按照林草植被建设的水分需求规律，对不同水上流失区的反坡梯田、水平沟、鱼鳞坑3种整地方式的集流坡面长度进行分析与推算，计算出了不同坡度、植树带宽度下的集流坡长。