E.E. Kara
Not Available
V. Uygur
Not Available
A. Erel
Not Available
ABSTRACT
Poultry manure or its compost are rich in plant nutrients and have a special potential to meet N and P requirements of agricultural plants. A laboratory study was carried out for 84 days at 30°C to asses the effect of application rate of composted poultry manure on soil respiration, dehydrogenase activity and nitrogen mineralization in a silt loam soil. Poultry compost rates were 0, 20, 40 and 60 Mg ha-1. Soil biological characteristics such as CO2 production, dehydrogenase activity and mineralization of organic-N into NH4+-N and NO3- -N were determined on daily base during the first week and then in week interval. The results showed that CO2 production, dehydrogenase activity and mineral nitrogen of soils increased with respect to application rate of poultry compost. The mineralization rate was remarkably high in the first weeks and the mineralized-ammonium was immediately converted into NO3--N that accumulated during the course of experiment. Therefore, it is suggested that organic residues having narrow C:N ratio should not be applied at high amounts when there is no requirement for N by a growing crop.
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How to cite this article
E.E. Kara, V. Uygur and A. Erel, 2006. The Effects of Composted Poultry Wastes on Nitrogen Mineralization and Biological Activity in a Silt Loam Soil. Journal of Applied Sciences, 6: 2476-2480.
DOI: 10.3923/jas.2006.2476.2480
URL: https://scialert.net/abstract/?doi=jas.2006.2476.2480
DOI: 10.3923/jas.2006.2476.2480
URL: https://scialert.net/abstract/?doi=jas.2006.2476.2480
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