ВЛИЯНИЕ СТИМУЛЯТОРОВ РОСТА НА ОБЕСПЕЧЕННОСТЬ ЧЕРНОЗЕМА НИТРАТНЫМ АЗОТОМ
Аннотация
На черноземе сегрегационном Центрально-Черноземной зоны в стационарном опыте изучали эффективность различных доз полного минерального удобрения при возделывании ярового ячменя. Исследования проводили в восьмипольном полевом севообороте. Почва опытного участка – чернозем сегрегационный. Установлено, что применение под основную обработку минеральных удобрений улучшало показатели эффективного плодородия чернозема обыкновенного. Комплексное их использование с внекорневой подкормкой растений ярового ячменя стимуляторами роста снижало содержание нитратного азота при малых и средних дозах NPK. Отмечено увеличение концентрации азота в вегетативной массе растений при использовании удобрений. Проявляется четкая сортовая зависимость в содержании минеральных элементов.
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