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Factors influencing the ammonia treatment of rice straw

Author

Listed:
  • Sankat, C.K.
  • Lauckner, B.

Abstract

Small samples of ground rice straw (initial moisture content 7%) were treated at ambient temperatures with aqueous NH3 at 2, 4, 6 and 8 % levels (on a dry matter basis). The final moisture content was 21%. Samples at each level of ammoniation were held for 7, 14, 21 and 28 days. The IVDMD of the samples, predicted from the pepsin-cellulose method, indicated a strong trend towards higher digestibility with increasing levels of NH3 application, although the difference between 6% and 8% NH3 was small. Treatment at ambient temperatures was completed in 7 days. In a second set of experiments, samples of straw were treated with 6% NH3, such that the final moisture contents were 13% and 25%. These samples were stored at 30, 60 and 90°C, and for 6, 18, 72 and 168 hrs. IVDMD analyses indicated that increasing treatment time, temperature and moisture content of the straw, all had positive effects on the IVDMD.

Suggested Citation

  • Sankat, C.K. & Lauckner, B., 1987. "Factors influencing the ammonia treatment of rice straw," 23rd Annual Meeting, August 23-28, 1987, St. John's, Antigua 260579, Caribbean Food Crops Society.
    • Handle: RePEc:ags:cfcs87:260579
    DOI: 10.22004/ag.econ.260579
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