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首页> 外文期刊>Research Journal of Soil Biology >Influence of Altitudes on Activity of Soil Health Bioindicators β-glucosidase and Urease in Agricultural Soils of Almora District of Central Himalaya
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Influence of Altitudes on Activity of Soil Health Bioindicators β-glucosidase and Urease in Agricultural Soils of Almora District of Central Himalaya

机译：海拔高度对喜马拉雅中部阿尔莫拉地区农业土壤土壤健康生物指标β-葡萄糖苷酶和脲酶活性的影响

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The present study was aimed to study the influence of altitudes on activity of 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 physico-chemical and enzymatic activities such as β-glucosidase and urease following the standard procedures. Physico-chemical and biological properties of soil were: pH 5.2-6.78; organic C 1.05-2.44%; available N 166.84-323.4 kg ha-1; available K 179.93-310.59 kg ha-1; available P 21.1-31.1 kg ha-1and microbial biomass carbon 194.89-367.76 mg kg-1 C. Substrate induced β-glucosidase activity ranged between 419.73-532.01 ppm para -nitrophenol g-1 soil h-1 while urease activity ranged from 216.99 to 395.28 ppm urea hydrolysed g-1 soil h-1. β-glucosidase activity was positively correlated with available nitrogen (r = 0.70*), available phosphorous (r = 0.75*) and soil microbial biomass C (r = 0.88**) while urease activity was positively correlated with available phosphorous (r = 0.84**). Enzymatic activity was high in agricultural soils at high altitude. It was concluded that activity of β-glucosidase in soil might be an effective tool to assess the soil health.
机译：本研究旨在研究海拔对喜马拉雅中部阿尔莫拉地区农业土壤中土壤健康生物指标活性的影响。从印度北阿坎德邦阿尔莫拉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理化和酶活性（如β-葡萄糖苷酶和脲酶）进行了分析。土壤的理化和生物学特性是：pH 5.2-6.78;有机碳1.05-2.44％;可用N 166.84-323.4 kg ha -1 ;可用K 179.93-310.59 kg ha -1 ;有效磷21.1-31.1 kg ha -1 和微生物生物量碳194.89-367.76 mg kg -1 C。底物诱导的β-葡萄糖苷酶活性范围为419.73-532.01 ppm对-硝基酚g -1 土壤h -1 而尿素酶活性范围为216.99至395.28 ppm尿素水解g -1 土壤h -1 。 β-葡萄糖苷酶活性与有效氮（r = 0.70 *），有效磷（r = 0.75 *）和土壤微生物量C（r = 0.88 **）正相关，而脲酶活性与有效磷（r = 0.84）正相关。 **）。在高海拔的农业土壤中，酶活性很高。结论是，土壤中β-葡萄糖苷酶的活性可能是评估土壤健康的有效工具。

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