Nitrification dynamics in soil due to variation in Co 2 level

Haroon Shahzad, Muhammad Iqbal, Atif Javed and Sarvet Jehan
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Haroon Shahzad: Institute of Soil & Environmental Sciences, University of Agriculture
Muhammad Iqbal: Institute of Soil & Environmental Sciences, University of Agriculture
Atif Javed: Institute of Soil & Environmental Sciences, University of Agriculture
Sarvet Jehan: Institute of Soil & Environmental Sciences, University of Agriculture

Russian Journal of Agricultural and Socio-Economic Sciences, 2015, vol. 38, issue 2, 15-19

Abstract: Nitrification process in the soil is oxidation reaction that occurs in aerobic environment. Under anaerobic environment reduced conditions prevails inhibiting nitrification process. A lab incubation study was designed to assess the effect of CO 2 level on nitrification in soil. Soil samples were taken in container and incubated for two weeks under conditions, (i) 0, 1 and 2% ground farm manure mixed with soil and (ii) with and without KOH solution to trap CO 2. Each of the treatment was replicated 12 times. Three soil samples were discarded after analysis for NH 4 and NO 3-N after 0, 5, 10 and 15 days of incubation showing significant decrease in nitrification rate with decreased CO 2 level. Organic matter added in the form of farm manure enhanced nitrification rate especially in KOH treated container.

Keywords: INCUBATION; CO 2 ABSORBER; KOH; NITRIFICATION (search for similar items in EconPapers)
Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:scn:031261:16082015

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