 |
| |||
| ploughing in fertiliser; turning under fertiliser | |||
| ploughing in of fertilizer; turning under of fertilizer | |||
| enterrado del abono: 3 短语, 2 学科 |
| 农业 | 2 |
| 自然科学 | 1 |
|
| |||
| ploughing in fertiliser; turning under fertiliser | |||
| ploughing in of fertilizer; turning under of fertilizer | |||
| enterrado del abono: 3 短语, 2 学科 |
| 农业 | 2 |
| 自然科学 | 1 |