| 酸沉降致酸土壤对蔬菜宜种度的影响 |
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| 引用本文： | 杨学春,青长乐.酸沉降致酸土壤对蔬菜宜种度的影响[J].西南农业大学学报,1989,11(3):237-241. |
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| 作者姓名： | 杨学春 青长乐 |
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| 作者单位： | 西南农业大学土化系，西南农业大学土化系，西南农业大学土化系 |
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| 摘 要： | 本文根据土壤pH值与作物宜种度的相关系数及回归系数,拟定了蔬菜作物的耐酸类型及指标。在重庆电厂周围,SO_2浓度与土壤pH值及土壤的作物宜种度呈显著性相关的梯度分布,酸性排放物是其周围土壤酸化的主要原因。该地土壤对蔬菜作物宜种度的下降,是土壤酸化所致。
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| 关 键 词： | SO2 中毒 酸性 土壤 蔬菜 酸雨 |
EFFECT OF PRECIPITATION ON ADAPTABILITY OF SOIL TO VEGETABLE |
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| Yang Xuechun,Qing Changle,Tan Xianwen.EFFECT OF PRECIPITATION ON ADAPTABILITY OF SOIL TO VEGETABLE[J].Journal of Southwest Agricultural University,1989,11(3):237-241. |
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| Authors: | Yang Xuechun Qing Changle Tan Xianwen |
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| Institution: | Yang Xuechun,Qing Changle,Tan Xianwen Department of Soil Science and Agrochemistry,Southwest Agricultural University |
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| Abstract: | This paper proposes an index of acid tolerating types of crops acco- rding to the relative coefficient and regrsseive coefficient between the soil pH value and the adaptability of soil to crops. In the surounding areas of Chongqing power plant, the SO_2 concentration has a gradient di- stribute significantly relating to soil pH value and the adaptability of soil to crops. The acid emission of the Power Plant is the main reason for soil acidification, which can also be an important reason of decreas- ing the adaptability of soil to crops. |
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| Keywords: | suefur dioxide poisoning acid soil vegetable crops cropping system influence |
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