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Density-pressure-seepage relationships of whole-plant corn (zea mays l.) silage
Authors: Daynard, T.B., Arnold, R.L. And H.E. Bellman
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Download file: https://library.csbe-scgab.ca/docs/journal/20/20_1_45_ocr.pdf
Published in: CBE Journal » CBE Journal Volume 20 (1978)
Download RAW file: https://library.csbe-scgab.ca/docs/journal/20/20_1_45_raw.pdf
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Description: Past research experience in Ontario has shown that the maximum yield and feeding value of whole-plant corn are attained at or near the stage of maturity corresponding to 70% whole-plant moisture (Daynard and Hunter 1975). From a practical standpoint, avoidance of seepage represents the major limitation in determining how early corn can be harvested and ensiled in tower silos. Little has been published on the interrelationships between silo size and silage moisture content on seepage loss. In summarizing early data (including that of McCalmont et al. 1946) for small tower silos, Shepherd et al. (1953) concluded that seepage flow rarely exceeded a 3% fresh-weight loss for forage ensiled at 70% moisture content, or below. Miller and Clifton (1965) attempted to quantify the relation between seepage loss and moisture content, using silage data from several crops, but the effect of silo size was not included. From more detailed work involving mathematical simulation, Wood (1971) concluded that seepage flow could be related to percent water saturation of air pores in the silage mass, and equations were presented relating seepage loss to silage density and moisture content. Otis (1942), Archibald and Gunness (1945), Perkins and Pratt (1951), Wilson (1969), and Castle and Watson (1973) have also published data on seepage losses from forage ensiled in small silos.
Keywords: density-pressure-seepage relationships of whole-plant corn (zea mays l.) silage
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Citation: Daynard, T.B., Arnold, R.L. and H.E. Bellman 1978. DENSITY-PRESSURE-SEEPAGE RELATIONSHIPS OF WHOLE-PLANT CORN (Zea mays L.) SILAGE. Canadian Agricultural Engineering 20(1):45-52.
Volume: 20
Issue: 1
Pages 45 - 52
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Date: 1978
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Coverage: Canada
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DOI:
Description: Past research experience in Ontario has shown that the maximum yield and feeding value of whole-plant corn are attained at or near the stage of maturity corresponding to 70% whole-plant moisture (Daynard and Hunter 1975). From a practical standpoint, avoidance of seepage represents the major limitation in determining how early corn can be harvested and ensiled in tower silos. Little has been published on the interrelationships between silo size and silage moisture content on seepage loss. In summarizing early data (including that of McCalmont et al. 1946) for small tower silos, Shepherd et al. (1953) concluded that seepage flow rarely exceeded a 3% fresh-weight loss for forage ensiled at 70% moisture content, or below. Miller and Clifton (1965) attempted to quantify the relation between seepage loss and moisture content, using silage data from several crops, but the effect of silo size was not included. From more detailed work involving mathematical simulation, Wood (1971) concluded that seepage flow could be related to percent water saturation of air pores in the silage mass, and equations were presented relating seepage loss to silage density and moisture content. Otis (1942), Archibald and Gunness (1945), Perkins and Pratt (1951), Wilson (1969), and Castle and Watson (1973) have also published data on seepage losses from forage ensiled in small silos.
Keywords: density-pressure-seepage relationships of whole-plant corn (zea mays l.) silage
Résumé:
Mots-clés:
Citation: Daynard, T.B., Arnold, R.L. and H.E. Bellman 1978. DENSITY-PRESSURE-SEEPAGE RELATIONSHIPS OF WHOLE-PLANT CORN (Zea mays L.) SILAGE. Canadian Agricultural Engineering 20(1):45-52.
Volume: 20
Issue: 1
Pages 45 - 52
Contributor:
Date: 1978
Technical field:
Conference name:
Session name:
Other information:
Type:
Format:
Publication type:
Source:
Relation:
Coverage: Canada
Language 1:
Language 2:
Rights:
Notes:
Other files:
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