soil water balance

The movement of soil water achieved the temporary balance in 24 h after stopping irrigation. Subsequently the change of the soil water content became very small, and the wetting front was kept nearly un-expanded.

灌溉结束24h后土壤水分运动达到暂时的平衡，此后土壤含水量变化很小，土壤湿润锋几乎不再扩展。

Domestic desert resource is abundant very much, in recent years we grow large-acreage shrubs in order to hurricane lamp, sand-fixation, preserve water and soil, meliorate ecological system, maintain zoology balance.

我国沙荒地资源非常丰富。近几年来，为了防风固沙、保持水土、改善生态系统、维持生态平衡，我国大面积种植沙生灌木。

The components of water balance, CO2 released from soil, and the property of forest microclimate obviously change with dry and wet seasons.

水量平衡各分量、土壤CO2释放量、森林小气候特征都与干湿季节的变化有明显的关系。

Study on the soil water balance of artificial forestland in arid region

干旱地区人工林地土壤水分平衡的探讨

According to the change of soil moisture under the different water ecological areas and different exposition sites, a compartment model and the data of the soil moisture measured in 2004 were used to to set up a balance model with absorption chamber of rainfall infiltration into the soil.

并根据不同水分生态区、不同坡向立地条件下刺槐人工林的土壤水分的变化规律，运用隔室模型和2004年的实测数据建立了降水在土壤中的入渗平衡模型。

Boreal forest in water conservation, water and soil conservation, and maintaining ecological balance and protecting biodiversity has irreplaceable status and role.

寒温带针叶林在水源涵养、水土保持、维护生态平衡及生物多样性保护等方面都有着不可替代的作用。

Soil water balance of grassland in gully regions on the Loess Tableland in various hydrological years was simulated numerically with simulated rainfall.

采用人工降雨的试验方法，对黄土高原沟壑区荒草坡地不同水文年土壤水平衡进行了数值模拟，结果表明：当植被覆盖率较高时，WAVES模型可以应用于荒草坡地土壤水平衡的模拟；

Study of the Water Balance for Soil and Water Conservation in Forests of Northwest Shanxi Province

晋西黄土区水土保持林水量平衡的研究

According to precipitation-balance principle, we could get reasonable density combined with soil water and evaporation.

结合刺槐林地土壤水分和蒸腾耗水特征,按照降水量平衡原理求得刺槐的合理造林密度.

Study on Water Balance of Punica Granatum Under Different Soil Moisture Conditions in Dry-hot River Valley

元谋干热河谷不同水分处理石榴的水量平衡研究