以下为句子列表：
英文: Abstract: In loess hilly-gully region covered by sheet sand,soil water erosion process is different from typical loess hilly-gully region because of worse natural environment and loose land surface material.
中文: 文摘:在片沙覆盖的黄土丘陵区，由于恶劣的自然环境及松散的地表组成物质，土壤的水蚀过程明显地不同于典型的黄土丘陵区。
更详细...
英文: Abstract: Soil incubation experiments were conducted in lab to delineate the effect of soil temperature and soil water content on soil respirations in broad-leaved/Korean pine forest(mountain dark brown forest soil),dark coniferous forest(mountain brown c
中文: 文摘:为了研究土壤温度和土壤含水量对阔叶红松林(山地暗棕壤)、云冷杉暗针叶林(山地棕针叶林土壤)和岳桦林(生草森林土)的土壤呼吸的影响,于2001年9月在长白山进行了土壤实验.利用增加土壤样柱的含水量,将土壤含水量分为9％,、21％、30％、37％和43％5个等级,土壤样品分别在0、5、15、25和35℃的温度下保持24小时.阔叶红松林土壤在0(35℃范围内,土壤呼吸速率与温度呈正相关.在一定的含水量范围内(21％(37％),土壤呼吸随含水量的增加而升高,当含水量超出该范围,土壤呼吸速率则随含水量的变化而
更详细...
英文: Abstract: Through the research of growth, water and photosynthesis characteristic of maize under different combination of air humidity with soil moisture, the results showed the harm of soil water deficit exceeded that of air drought, water status and phy
中文: 文摘:通过对不同土壤大气湿度组合下玉米生长、水分及光合特性的研究，认为土壤水分亏缺对玉米的影响要超过大气干旱。
更详细...
英文: Abstract: Using the convective-dispersive equation and based on labo ratory exp eriment, the hydrodynamic dispersion coefficient of unsaturated soil is determi n ed under different inial soil water content, different manner of water infiltra t ion and fer
中文: 文摘:用非饱和土壤水动力弥散方程及其解析解，在室内试验的基础上，研究了非饱和土壤在不同初始含水量、不同入渗方式及不同加肥方式下的水动力弥散系数。
更详细...
英文: And it is in spring that soil water content, soil organic matter and calcium and magnesium suffered more seriously damage from overgrazing.
中文: 春季过度放牧对土壤表层的水分、有机质和钙、镁等元素造成的损失最为严重。
更详细...
|
