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首页> 外文期刊>International journal of soil science >Enzymatic Activities and Microbial Population in Agric-soils of Almora District of Central Himalaya as Influenced by Altitudes
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Enzymatic Activities and Microbial Population in Agric-soils of Almora District of Central Himalaya as Influenced by Altitudes

机译：海拔高度对喜马拉雅中部阿尔莫拉地区农业土壤中酶活性和微生物种群的影响

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摘要

Abundance of various kind of microorganisms and their activity in soil is a presumptive of fertility status of that soil. Hence, the present study was designed to assess the impact of altitudes on activity of two important soil health bioindicators in agricultural soils of Almora district of Central Himalaya. Seventy two soil samples were collected from agricultural lands at different altitudes of Almora, Uttarakhand, India and were assayed for their electro- chemical properties microbial colony forming unit (cfu) and microbial activities such as dehydrogenase and phosphatase following the standard procedures. It was recorded that soil was acidic in range with nitrogen, phosphorous and potassium in middle to high range. Also their content in soil increased at high altitude as compared to low altitude. Dehydrogenase and phosphatase activities varied with altitudes and these were high at higher altitudes. Dehydrogenase possessed a significant and positive correlation with nitrogen (r = 0.83) and phosphorous (r = 0.64) while phosphatase showed significant and positive correlation with organic carbon (r = 0.66). It was concluded that activity of dehydrogenase and phosphatase in soil would be an effective tool to assess the soil health.
机译：土壤中各种微生物的丰富及其活性是该土壤肥力状态的推定。因此，本研究旨在评估海拔高度对喜马拉雅中部阿尔莫拉地区农业土壤中两种重要的土壤健康生物指标活性的影响。从印度Uttarakhand的Almora不同海拔的农业土地上收集了72个土壤样品，并按照标准程序对它们的电化学性质，微生物菌落形成单位（cfu）和微生物活性（如脱氢酶和磷酸酶）进行了分析。据记录，土壤呈酸性，中，高范围为氮，磷和钾。与低海拔地区相比，高海拔地区土壤中的含量也有所增加。脱氢酶和磷酸酶的活性随海拔高度而变化，并且在较高海拔时较高。脱氢酶与氮（r = 0.83）和磷（r = 0.64）呈显着正相关，而磷酸酶与有机碳（r = 0.66）呈显着正相关。结论是土壤中的脱氢酶和磷酸酶的活性将是评估土壤健康的有效工具。

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