| 1. | At maturity the root system is extensively nodulated .
在成熟时，根系普遍具有根瘤。 |
| 2. | Root systems have had to be excavated without the aid of water .
根系必须在不用水的情况下掘取。 |
| 3. | The root system of the apple tree grows in proportion to the top .
苹果根系的生长与树冠生长成正比。 |
| 4. | The root system of the soybean consists of a taproot formed by the radicle .
大豆的根系包括由胚根形成的主根。 |
| 5. | Thus, the fungal isolate appeared able to influence both the development and form of its host's root system .
因此，真菌分离物似乎能影响其寄主根条的发育和形成。 |
| 6. | Differences in the requirements of plant species for potassium fertilization are often attributable to the kind and activity of the root system .
各种植物对钾肥的不同需求，常归因于根系的特性和活力。 |
| 7. | Research progress on effects of light on crop root system
光对作物根系影响研究进展 |
| 8. | Visualized modeling system of three - dimensional roots system growth
植物根系生长的三维可视化模拟 |
| 9. | Study on root system development ability of alfalfa cultivars
不同紫花苜蓿品种根系发育能力的研究 |
| 10. | Investigation of cotton root system growth status under drip irrigation
滴灌棉花根系生长状况调查启示 |
