Gases in forage tower silos

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      <subfield code="a">Measurements of hazardous gas concentrations in forage tower silos are described. The problems associated with sampling in silos, the identify and distribution of gases and their rate of evolution, and the effects of forced and natural ventilation are considered. Particular attention is given to conditions at times when entry to the silo by farm personnel is likely and the possibility of farmers carrying out gas measurements is discussed</subfield>
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