کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
2413880 | 1552053 | 2015 | 10 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Characterisation of the soil microbial community of cultivated and uncultivated vertisol in Australia under several management regimes
ترجمه فارسی عنوان
تشریح جامعه میکروبی خاک ورتیزول کشت شده و غیر کشت شده در استرالیا تحت چند رژیم مدیریتی
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موضوعات مرتبط
علوم زیستی و بیوفناوری
علوم کشاورزی و بیولوژیک
علوم زراعت و اصلاح نباتات
چکیده انگلیسی
Soil management is known to affect microbial populations relevant to nutrient cycling and plant health. We investigated the effects of several cropping management practices on a Central Queensland vertisol, including the application of liquid biological inoculums, green manuring and conventional chemical fertiliser. Soil microbial load and diversity was indexed using soil respiration, Biolog Ecoplate and FF microplates and PCR-DGGE. Compared to cultivated soil, uncultivated vertisol, represented by virgin brigalow soil, possessed 87% higher soil nitrate than cultivated soils, and significantly higher microbial catabolic potential, as observed in Biolog substrate utilisation patterns. In cultivated soil, there was little difference between treatments in these substrate utilisation patterns, but large changes associated with season. However, the results of 16S rDNA and Internal Transcribed Spacer region based DGGE profiles were consistent with an increase in bacterial diversity and a decrease in fungal diversity in amended cultivated soils relative to the unfertilised cultivated treatment.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Agriculture, Ecosystems & Environment - Volume 199, 1 January 2015, Pages 418-427
Journal: Agriculture, Ecosystems & Environment - Volume 199, 1 January 2015, Pages 418-427
نویسندگان
Karuna Shrestha, Scott Stevens, Pramod Shrestha, Eric M. Adetutu, Kerry B. Walsh, Andrew S. Ball, David J. Midmore,