residues of previous fertilizer application

例句：

1. 1. The soilhas a lot of residues from the previousyear's crops.
   土壤上有很多去年作物的残留物。
2. 2. The chemical analysis revealedseveral residues in the water sample.
   化学分析显示水样中有几项残留物。
3. 3.The leftover food residues were left on thetable after dinner.
   晚饭后，剩菜剩饭留在了桌子上。