Short Term Influence of Organic and Inorganic Fertilizer on Soil Microbial Biomass and DNA in Summer and Spring

Journal of Northeast Agricultural UniversityEnglish Edition Pub Date : 2016-03-01 DOI:10.1016/S1006-8104(16)30028-9

Khalil ur Rehman, Zhang Ying, Shahla Andleeb, Zhao Jiang, Erinle Kehinda Olajide

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引用次数: 7

Abstract

The present study was conducted to see the short term impact of organic and inorganic fertilizers on soil microbial biomass both in spring and summer. Also aimed to observe the correlation between soil microbial biomass and soil DNA. The study concluded that type of fertilizer might alter the soil microbial biomass and DNA contents. In soil treated with organic fertilizers resulted in higher concentrations of microbial biomass and DNA contents in summer as compared to spring dute to increase in temperature. Correspondingly, in case of inorganic fertilizer, concentrations of soil microbial biomass and DNA detected higher in summer instead of spring. The statistical correlation between soil microbial biomass, DNA and ODR in spring and summer along with organic and inorganic fertilizers were calculated highly significant (p>0.01). This study demonstrated the impact of fertilizers and seasonal variations on soil microbial biomass and also revealed significant correlation between soil microbial biomass and soil DNA.

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夏、春季有机肥和无机肥对土壤微生物量和DNA的短期影响

本研究旨在了解春季和夏季施用有机肥和无机肥对土壤微生物量的短期影响。还旨在观察土壤微生物生物量与土壤DNA的相关性。研究表明，不同施肥方式对土壤微生物量和DNA含量有影响。由于温度升高，施用有机肥的土壤夏季微生物生物量和DNA含量高于春季。与之对应的是，施用无机肥时，土壤微生物量和DNA浓度在夏季高于春季。春季和夏季土壤微生物量、DNA和ODR与有机肥和无机肥呈极显著相关(p>0.01)。本研究揭示了施肥和季节变化对土壤微生物量的影响，并揭示了土壤微生物量与土壤DNA之间的显著相关性。

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Journal of Northeast Agricultural UniversityEnglish Edition

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