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W dwuletnim doświadczeniu wazonowym badano wpływ polifosforanu potasu stosowanego corocznie i na dwuletni zapas na plon oraz na zawartość azotu, fosforu potasu, magnezu i wapnia w kolejnych pokosach życicy wielokwiatowej, uprawianej na glebie kwaśnej i wapnowanej CaCO3 wg l Hh. Nawozami porównawczymi były superfosfat potrójny i KCl. Polifosforan potasu dawany corocznie oraz w dawce zapasowej na glebie...
During three years of experiments the crops and chemical composition of brome grass, cocksfoot-grass and Italian rye-grass were tested - before heading /30-40 cm/, at the beginning of heading and at the beginning of flowering. The teras of harvesting effected the grass crop, the chemical composition and the nutritive value of green forage. The best crop was moved at the beginning of heading. During...
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