Ecological conditions will improve with the increase in land under vegetative cover and reduced soil and water loss.
生态环境也会随着植被面积扩大和水土流失减少而得到改善。
A major portion of the soil organic matter is derived from the added and residual vegetative material.
加进去的和残留下来的植物物质则是土壤有机质的主要来源。
The depth of the intensive organic soil regions is important because it allows for vegetative plants to grow, which yields alternate and differentiated food sources.
为保证绿色植物的生长，集约型有机土壤的深度就显得极为重要。只有这样，绿色植物才能提供丰富多样的食物来源。
Soil erosion is closely related to meteorological, topographic, geological and vegetative factors.
土壤侵蚀与气象、地形、地质、植被因素密切相关。
From the viewpoint of soil formation, the principle of rational use of alkaline grassland and reclamation of soda solonchak should be the protection and restoration of vegetative covers of the soils.
按照土壤发生的观点，合理利用碱性草原和改良苏打盐(碱)土的原则，应是保护和恢复植被。
From the viewpoint of soil formation, the principle of rational use of alkaline grassland and reclamation of soda solonchak should be the protection and restoration of vegetative covers of the soils.
按照土壤发生的观点，合理利用碱性草原和改良苏打盐(碱)土的原则，应是保护和恢复植被。
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