The content of major elements in Slovene hay
1999
Stekar, J.M.A. (Ljubljana Univ. (Slovenia). Biotechnical Fac., Zootechnical Dept.)
The results of sixteen authors on the contents of calcium, phosphorus, magnesium, potassium and sodium, which were published in in the last years, were collected. The first cut contained in a kg of dry matter on average 6.94 g Ca (n = 723), 2.66g P (n = 724), 2.58g Mg (n = 665), 18.64g K (n = 572) and 0.56g Na (n = 801). The second cut contained in a kg of dry matter on average 7.39g Ca (n = 246), 3.13g P (n = 246), 3.08g Mg (n = 223), 19.01g K (n = 229) and 0.92g Na (n = 261). The samples for which the successive cut was not known contained in a kg of dry matter on average 6.07g Ca (n = 439), 2.64g P (n = 440), 2.08g Mg (n = 132), 17.75g K (n = 166) and 0.80g Na (n = 166). The samples ought to be better defined. We think that the samples exchange among laboratories should be obligatory.
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