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Upgrading wheat straw with urea at a tropical temperature: effects of urea concentration and amount of solution on in vitro digestibility and pH

Published online by Cambridge University Press:  05 November 2021

I.U. Haq  and
E. Owen
I.U. Haq
Affiliation:
Department of Agriculture, The University of Reading, Earley Gate, P.O. Box 236, Reading RG6 6AT, UK
E. Owen
Affiliation:
Department of Agriculture, The University of Reading, Earley Gate, P.O. Box 236, Reading RG6 6AT, UK
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Extract

Extension literature on upgrading straws in the tropics (e.g. Schiere and Ibrahim, 1989) advocates applying 1 kg of 40 g/kg urea solution per kg air dry straw and storing under plastic for 4 weeks. Surprisingly, there is little published information on responses to urea solution concentration and amounts to be applied in order to improve digestibility of organic matter (OMD) and maintain alkaline pH to enable preservation of treated straw. The present experiment aimed at providing such information as part of a study to assess the potential of animal or human urines for upgrading straw and bearing in mind that urines contain a range of urea concentrations.

Type
Programme
Information
Proceedings of the British Society of Animal Science , Volume 1997 , 1997 , pp. 76
Copyright
Copyright © British Society of Animal Science 1997

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References

Schiere, J.B. and Ibrahim, M.N.M. 1989. Feeding of urea-ammonia treated rice straw. A compilation of miscellaneous reports produced by the Straw Utilization Project (Sri Lanka). Pudoc Wageningen.Google Scholar