Abstract
The influence of the use of fertilizer doses at different intensity of tillage on the yield and quality of green feed based on winter barley varieties Romance, Kondrat, Dobrynya, Carioca was studied. The research was carried out in 2018-2020 in the Republic of Adygea on low-humus heavy-duty heavy-clay merged leached chernozems according to the method of field experience of B.A. Dospekhov. It was revealed that disking reduced the productivity of the green mass of various varieties of winter barley by 14,0–41,0%; the average yield for both processing methods varied from 5,75 to 11,2 t/ha. It was found that the most effective method of cultivation was the introduction of 60 kg of d.v. N by background, by both methods of processing, but plowing options are preferable in terms of yield. The use of this method of cultivation allowed to obtain the highest level of yield on these options for all studied varieties: Romance 15,3 t/ha, Dobrynya 14,6 t/ha, Kondrat 14,2 t/ha, Carioca 7,4 t/ha (on average for both methods of processing). The nutrient content in 1 kg of dry matter of feed varied from 8,02 to 11,0% crude protein; 11,1–11,74 MJ of exchange energy; 1,04–1,14 KE. The green mass of the Kondrat, Carioca, Romance varieties is classified as low- and medium-protein feeds, however, in terms of the content of feed units and exchange energy, all varieties are Class I feeds. The studied varieties contain an average of 0,42 to 0,605 EQ of cattle (energy feed units) in 1 kg of natural feed. According to the qualitative indicators in 1 kg of dry matter of feed, as well as the content of EKE in 1 kg of natural feed, the advantage belongs to the Dobrynya variety. The best variety in terms of yield, as well as nutritional and energy value for harvesting from 1 ha is the Romance variety.
Highlights
В Республике Адыгея поголовье КРС в хозяйствах всех категорий насчитывает 46,9–47,0 тыс. голов – это 100,7% в сравнении с 2018 г., поголовье коров 24,1 тыс. голов – 102,5% к уровню 2018 г
The influence of the use of fertilizer doses at different intensity of tillage on the yield and quality of green feed based on winter barley varieties Romance
in the Republic of Adygea on low-humus heavy-duty heavy-clay merged leached chernozems according to the method of field experience
Summary
ФГБНУ «Адыгейский научно-исследовательский институт сельского хозяйства»; ул. Ленина, д. 48, п. Изучали влияние использования доз удобрений при различной интенсивности обработки почвы на показатели урожайности и качество зеленого корма на основе сортов ячменя озимого Романс, Кондрат, Добрыня, Кариока. N по фону, по обоим способам обработки, но предпочтительнее по уровню урожайности варианты по вспашке; применение этого приема возделывания позволило получить наиболее высокий уровень урожайности в этих вариантах по всем исследуемым сортам: Романс 15,3 т/га, Добрыня 14,6 т/га, Кондрат 14,2 т/га, Кариока 7,4 т/га (в среднем по обоим способам обработки); содержание питательных веществ в 1 кг сухого вещества корма варьировало от 8,02 до 11,0% сырого протеина; 11,1–11,74 МДж обменной энергии; 1,04–1,14 КЕ; зеленая масса сортов Кондрат, Кариока, Романс отнесена к низко- и среднепротеиновым кормам, однако по содержанию кормовых единиц и обменной энергии все сорта являются кормами I класса. Оценка перспективных сортов ячменя озимого с целью получения высококачественного сырья для производства объемистых кормов // Новые технологии. Девтерова Оценка перспективных сортов ячменя озимого с целью ... Девтерова Оценка перспективных сортов ячменя озимого с целью ... сырья для производства ... кормов
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