| 1 | Well, one is green manure. | |
| 2 | The nursery should open fertilizer sources, manure and planting perennial green manure. | |
| 3 | In effect, free-living nitrogen - fixing organisms are in situ green manures since most N derived from BNF is released to the soil solution only after cell death. | |
| 4 | When the green manure crop up pressure to the soil, soil rich in organic matter. | |
| 5 | Organic fertilizer and green manure play an important part in the sustaining development of agriculture in Jiangxi Province. |