The effect of sowing rate on quantity and quality of oat yield. Part II. Chemical content of grain and straw as well as nutrient yield
2010
Malarz, W. | Kozak, M. | Helios, W. | Kotecki, A.,Uniwersytet Przyrodniczy, Wroclaw (Poland). Katedra Szczegolowej Uprawy Roslin
The split plot experiments were set for two following variable factors: I- hulled oat strains and cultivars STH 7105,STH 7205 and Krezus, and naked oat strains STH 7505 and Polar, II number of grains sown per 1 square m: 300, 400 and 500. Compared to the results obtained with the hulled cultivar Krezus, the naked, dwarf strain STH 7505 accumulated 63 percent more crude fat and 7 percent more nitrogen-free extracts, but it also contained 60 percent less crude fibre and 28 percent crude ash. As for total protein content, better results were obtained with the hulled strain STH 7105 than with Krezus. The former contained 9percent more protein and 19 percent more crude fat while it contained 19% less crude fibre. Total protein yield and crude fat content were higher in STH 7205 by 7,3 and 21,4 percent respectively than in Krezus. In STH 7505 these two parameters were lower by 41 and 19 percent respectively than in Krezus. Oat grain accumulated most of N and to a lesser degree P, K, Mg and Ca, while oat straw- most of all K and to a lesser extent Ca, Mg and Ca
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