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<< JRScience Home     Volume 17 No.1   January  2006     << Back to Volume Home

EFFECT OF AIR DRYING OF SOIL ON NITRIFICATION AND MINERALIZATION

 Mohammad Amin1 and T. H. Flowers2

1Zarai Taraqiati Bank limited, Khanewal, Pakistan.

2Agricultural Chemistry Department Glasgow University, Glasgow, UK.

Email: presidentofworld2004@yahoo.co.uk  and hughf@chem.gla.ac.uk  

Abstract: A laboratory incubation experiment at 15 °C was carried out on nitrification and mineralization in fresh and air-dried soils at Glasgow University, Glasgow, United Kingdom. The air-dried soils showed a clear lag period before nitrification started. The nitrification rates were significantly slower (P<5%) in air-dried soils samples than fresh soils. The mineralization rates were significantly greater (P<5%) in air-dried soils than fresh soils.   

Keywords: Air dried soil, fresh soil, nitrification rates and mineralization rates