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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
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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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Soil microbial diversity encompasses functional, structural and molecular genetic diversities of microbial community, and is a key indicator of stability and functions of soil eco-systems.
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土壤微生物多样性包括微生物群落功能多样性、结构多样性及分子遗传多样性,是指示土壤生态系统稳定性及其功能的重要传感器。 |
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Soil microbial diversity is an important content of soil microbial ecology, which is a new frontal field in ecology.
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土壤微生物多样性是土壤微生物生态学的重要研究内容,目前已成为国际上生态学发展的崭新方向之一。 |
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Soil moisture availability is the major factor limiting the area sown to crops and their yield.
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土壤水分有效性是限制栽培作物面积及其产量的主要因素。 |
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Soil moisture curve is elementary curve that shows the relation between potential energy and the content of water soil and analyses retaining and transporting in soil water belt.
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摘要土壤水分特征曲线是表征土壤中水的含量与势能之间的关系,是研究包气带土壤水分的保持和运移所用到的基本特性曲线。 |
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Soil natural thermoluminescence surveying is an accumulation method of measuring radon and it can measure radon in a long time.
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摘要土壤天然热释光测量方法是一种累积型测氡方法。 |
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Soil nematodes are the most abundant metazoan, which have various types of life-history and feeding habits, and play a key role in soil food web.
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线虫作为土壤中数量最丰富的后生动物,其生活史和取食类型多样,在生态系统中发挥着重要作用。 |
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Soil of Maifan Stone is distributed generally being rich of selenium and zinc, which is suitable for the planting of famous and excellent tea.
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麦饭石土壤分布普遍,并且富含硒、锌元素,适宜名优茶生长。 |
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Soil samples from Chongqing and surrounding areas indicate the existence of varying concentrations of heavy metals which may potentially become sources of pollution.
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土壤中存在不同程度的重金属并不能断言为污染.某些水溶性重金属有流失入水源的可能性才能被考虑成有潜在性的污染源。原文不够严密,有危言耸听之虑。 |
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Soil seed banks of bare alkali-saline patches, which were extremely small and difficult to recruit naturally, may inhibit speed of vegetation restoration.
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土壤种子库缺乏是限制次生光硷斑的植被自然恢复能力的一个重要因素。 |
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Soil structure is brown loam over red/yellow clay with underlying shale.
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土壤结构为咖啡色壤土覆盖红/黄黏土,基底为页岩。 |