| 1. | The humidity of soil helps to grow .
土壤潮湿有助于植物生长。 |
| 2. | Phosphorus is essential to plant growth .
植物生长需要磷。 |
| 3. | They often have a physiological effect on plant growth .
它们常常对植物生长有生理影响。 |
| 4. | Plant growth and nutrient release are directly related .
植物生长量与养分释放量是正相关的关系。 |
| 5. | As long as the soil has enough moisture, such plants grow more rapidly .
如果土壤有足够的湿度，这些植物生长就更快。 |
| 6. | Plant growth will be highly sensitive to the manipulation of this variable .
植物生长对于这一变量的施用表现出很高的敏感度。 |
| 7. | A rock with a limited store of nutrients will tend to limit plant productivity .
养分储藏量很少的岩石，必定会导致植物生长量的减低。 |
| 8. | No attempt will be made to include here the products of microbial metabolism that have effects on plant growth .
这里不想罗列影响植物生长的微生物代谢产物。 |
| 9. | The store of nutrients in the soil which is available to plants is an important constraint upon plant productivity .
土壤中植物有效养分的储存对于植物生长量是一个重要的制约因素。 |
| 10. | In one way or another all these various regulatory substances intervene and exert recognizable effects upon the overall course of plant growth and development .
所有这些不同的调节物质以这种或那种方式参与植物生长发育的全过程。 |
