Full TGIF Record # 7239
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Title:Use of sulphate lyes from cellulose production for grass conservation
Translated Title:Vyuzitie sekundarnych zdrojov pri vyrobe buniciny.
Source:Agrochemia. Vol. 22, No. 12, 1982, p. 353-355.
Publishing Information:Bratislova, Slovenske Vyahavatel Stvo Technickej Literatury
Keywords:TIC Keywords: Festuca pratensis; Dactylis glomerata; Poa pratensis; Lolium perenne; Trifolium repens; Silage; Additives; Sulfates; Sulfate lyes; Wood; Molasses; Formaldehyde; Chemical composition; pH; Quality; Digestibility; Palatability
Abstract/Contents:Second and third cuts from a natural grass stand, in which meadow fescue, cocksfoot, Kentucky bluegrass, perennial ryegrass and Ladino clover were predominant, fertilized at 150-200 kg N + 31.6 kg P + 66.4 kg K/ha, were ensiled either without additive, or with 1% and 2% sulphate lyes, 1% wood molasses or 0.6% formaldehyde. The DM content of the sulphate lyes was 63%; their composition was (expressed as percentage absolute DM) inorganic subtances (mainly SiO2, Na2SO4, Na2S and Na2CO3) 28%, and organic substances 72% (principally lignin 32%). Silages made without an additive had the lowest content of nutrients, while that of silages made with sulphate lyes was equal to or slightly greater than that of silages made with wood molasses, showing that for preservation of organic nutrients during the acidification process sulphate lyes were at least as good additives as glycides. Formaldehyde caused the minimum nutrient loss. Sulphate lyes gave opt. pH and organic acid values for the silages, but a slight trend to some quality loss on exceeding 2%, lower acidity and lower lactic acid and ammonia levels than wood molasses. Silages made with wood molasses gave the best digestibility of organic nutrients, but at 1-1.5% sulphate lye additions very similar results were obtained. Additions of >2% sulphate lye produced silages with a smell which reduced palatability.
Note:Summary appears in Russian, English and German
Geographic Terms:Czechoslovakia
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Anonymous. 1982. Use of sulphate lyes from cellulose production for grass conservation. (In Slovak) Agrochemia. 22(12):p. 353-355.
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MSU catalog number: S 583 .A345
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