| 1. | The undercomposed litter forms a nutrient bank .
未分解的落叶层也会形成一个养分库。 |
| 2. | 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。 |
| 3. | Tropical forests are characterized by a rapid turnover of nutrients .
热带森林的特点是养分周转快。 |
| 4. | The crop and the way it is used determine the nutrients removed .
作物种类及其利用方式决定着养分耗失的数量。 |
| 5. | The materials supply macronutrients are listed in table 7-2 and 7-3 .
作为供给大量养分的物质被列入表7-2和表7-3。 |
| 6. | Most of the micronutrients will be found as contaminants in other fertilizers .
大多数微量养分，经常是肥料的污染物。 |
| 7. | The roots are the underground parts of the tree that supply it with nourishment .
树根是树的地下部分，用于供应养分。 |
| 8. | Biological activity in a soil is influenced by soil acidity and nutrient status .
生物的活动被土壤养分含量状况所制约。 |
| 9. | Of the ions mentioned so far, most are of use as plant nutrients .
迄今为止所述及的各种离子，大部分可作为植物养分而被吸收利用。 |
| 10. | Green house operators have considerable opportunity for precise manipulation of nutrients .
温室管理员有很多机会来准确控制养分。 |
