 |
 |
 |
 |
 |
|
|---|---|---|---|---|---|
| 1 | soil fertility | 地力 | |||
| 2 | soil fertility | 土の肥よく度 | |||
| 3 | soil fertility | 土壌肥沃度 | |||
| 4 | measures to increase the soil fertility | 地力増進対策 | |||
| 5 | soil fertility maintenance | 地力維持 | |||
|
|
|
|
|
|
|---|---|---|---|---|---|
| 1 | soil fertility | 地力 | |||
| 2 | soil fertility | 土の肥よく度 | |||
| 3 | soil fertility | 土壌肥沃度 | |||
| 4 | measures to increase the soil fertility | 地力増進対策 | |||
| 5 | soil fertility maintenance | 地力維持 | |||
