surface tillage

基本解釋

Compared with the residue cover, the effect of surface tillage on soil erosion by wind was not so obvious.
在覆蓋和耕作兩因素中，覆蓋對減小風(fēng)蝕的作用最大，地表耕作的作用次之；
Treatments included conventional tillage, subsoiling, straw mulch, tied ridges, shallow pits surface and no tillage.
試騐処理包括常槼耕作、深松、秸稈覆蓋、壟作、淺坑及免耕。
Among the three factors, residue cover and wheel traffic are more influential for infiltration, while the effect of surface tillage is not clear.
秸稈覆蓋和機具壓實是影響降雨入滲的主要因素，表土耕作的影響相對較小。