以下为句子列表:
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
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英文: 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 coniferous
中文: 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降低.
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英文: The effect of yield and grain protein content with soil water content and nitrogen (or nitrogen and P2O5) was described by isopleth.
中文: 用极差变换将产量和蛋白质含量理论值标准化,其标准值曲线的交点即为二者的最佳结合点。
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英文: The result indicates that photosynthesis and the cell liquid density of tobacco are both seriously influenced by soil water content, and that photosynthesis is the most vigorous when the lower limit of soil water content is 75% of water holding capacity o
中文: 试验结果表明:烟草光合作用受土壤水分影响较大,当旺长期土壤含水量控制下限为田间持水量的75%时,光合作用最强;细胞液浓度的变化受土壤含水量影响亦较大。
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英文: The studies on the effects of temperature and soil water content for the number of Oribatida and Collembola were made.The results indicate that there are some effects for the number of Oribatida and Collembola.The difference on the most preferred temperat
中文: 对不同温度和土壤含水量甲螨和跳虫数量的关系进行了实验观察.结果表明,温度和土壤含水量对土壤甲螨和跳虫的数量变动均具有一定的影响.甲螨和跳虫生长的最适温、湿度差异不明显,最适温度约在24℃左右,最适湿度约为16%的含水量.甲螨耐受低温、干旱环境的能力明显大于跳虫.
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