土面 meaning in Chinese

mill dust

We rammed the soil flat before we built the hut
我们建房之前把土面夯实。
Then mulch the plants with soil after watering . 3 . watering and fertilizing in general , tree peonies do not like much water
栽植深度应使根颈与土面平或稍低为宜，不可过深或过浅。
The concrete faced rockfill dam is regarded as an important type of dam in the hydraulic construction field because of some advantages such as : small section , good safety and convenience of construction
棍凝土面板堆石坝具有断面小、安全性好、施工方便、造价低等优点，日益受到工程界的重视。
The estimation methods of water requirement , and determination of basal crop coefficient and soil evaporation coefficient under the controlled alternative furrow irrigation in summer maize were studied and verified in the fifth chapter
（ 4 ）夏玉米田棵间土壤蒸发主要发生在灌后几天表层土壤比较湿润的时期内，其中表层土壤含水率和叶面积指数是影响土面蒸发的两个基本因素。