主题：【已应助】求助5篇文献，谢谢

【篇号】1
【作者】Powlson, D. S. et al. 
【文章标题】Measurement of soil microbial biomass provides an early indication of changes in total soil organic-matter due to straw incorporation.
【期刊名，年份，卷（期），起止页码】Soil Biology & Biochemistry 1987. 19(2):159-164.
【全文链接】http://www.sciencedirect.com/science/article/pii/0038071787900769
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【篇号】2
【作者】 Amato, M. et al..
【文章标题】 Assay for microbial biomass based on ninhydrin-reactive nitrogen in extracts of fumigated soils
【期刊名，年份，卷（期），起止页码】Soil Biology & Biochemistry 1988. 20(1):107-114.
【全文链接】 http://www.sciencedirect.com/science/article/pii/0038071788901344
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【篇号】3
【作者】 Jenkinson, D. S. 
【文章标题】Studies on decomposition of plant material in soil .5. Effects of plant cover and soil type on loss of carbon from c-14-labeled ryegrass decomposing under field conditions.
【期刊名，年份，卷（期），起止页码】Journal of Soil Science 1977. 28(3):424-434.
【全文链接】 http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2389.1977.tb02250.x/abstract
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【篇号】4
【作者】 Powlson, D. S. et al. 
【文章标题】The effects of biocidal treatments on metabolism in soil—ii. Gamma irradiation, autoclaving, air-drying and fumigation.
【期刊名，年份，卷（期），起止页码】Soil Biology & Biochemistry 1976. 8(3):179-188.
【全文链接】 http://www.sciencedirect.com/science/article/pii/003807177690002X
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【篇号】5
【作者】 Sparling, G. P. et al.
【文章标题】Quantifying the contribution from the soil microbail biomass to the extractable p levels of fresh and air-dried soils.
【期刊名，年份，卷（期），起止页码】 Australian Journal of Soil Research 1985. 23(4):613-621.
【全文链接】 http://www.publish.csiro.au/paper/SR9850613
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