Влияние на торенето върху качеството на фуража от суданка (Sorgum sudanеnse (Piper) Stapf.)
Румен Базитов
, Милена Михайлова
, Митко Георгиев
Резюме: Изследването е проведено за района на Стара Загора със суданка сорт Ендже-1 върху ливадно- канелена почва при следните варианти на торене: Вар. 1 – неторена контрола, (N0P0K0 kg/da); Вар. 2 – торене с N9P6K4 kg/da, Вар. 3 – торене с N18P12K8 kg/da. Химичният състав на фуражите е определен с апарат FOSS NIRS DS2500 в лабораторията на Земеделски институт – Стара Загора. Нето енергията за мляко, изразена в кръмни единици за мляко (КЕМ) и кръмните единици за растеж (КЕР) са определени по Todorov et al. (2007). При отглеждане на суданката без торене е установено, че добивът от суров протеин варира от 59.47 кg/da до 74.00 кg/da, а нето енергията за мляко и растеж (КЕМ и КЕР), съответно от 801 до 8 27 за декар за КЕМ и от 762 до 842 за КЕР. Приложеното минерaлно т орене с N9P6K4 кg/ da, увеличава количеството на добива от суров протеин средно с 37.2%, а на КЕМ и КЕР с 13.9 и 11.4% спрямо неторения вариант.
Ключови думи: енергия; азотна торене; протеин; суданка
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| Дата на публикуване: 2024-12-19
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