土壤酸度的调节对烤烟根系生长与烟叶化学成分含量的影响 关键词 土壤酸度 烤烟 根系活力 化学成分 [gap=1073]Key words Soil acidity，Flue—cured tobacco，Root activity，Chemical matter
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土壤酸性 (soil acidity)活性酸度（ active acidity ） 是指土壤溶液中游离的 H+ 所直接显示的酸度。通 常用 pH 值表示，它是土壤酸碱性的强度指标。
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soil acidity alkalinty 溶液酸碱度
soil acidity-alkalinity 土壤酸碱性
soil acidity or alkalinity 土壤酸碱度
soil acidity and alkalinity 土壤酸碱度
Such As Soil Acidity 例如土壤酸度
soil acidity and alkalinity reaction 土壤的酸碱反应
potential soil acidity 潜性土壤酸度
increasing soil acidity 增加土壤酸性
acidity of soil 土壤酸度
Both nitrogen and sulphur emissions are major contributors to soil acidity and environmental pollution.
氮和硫的排放物是造成土壤酸度和环境污染的两大主要来源。
Vegetation uptake of nitrogen and base cation, as well as acid deposition, is an important source of soil acidity.
植被对氮和盐基阳离子的吸收是除酸沉降外另一个重要的土壤酸度来源。
There was not significant correlation between soil acidity and various forms of inorganic phosphorus in non-rhizosphere soil, respectively.
非根际土壤酸度与非根际土壤无机磷形态的相关性不明显。
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