Ключевые слова:
- капельное орошение
- фертигацию
- NPK
- расход воды
- помидоры
- корневую систему
- фазы вегетации
- ресурсосберегающие технологии и эффективное использование воды
Аннотация
В статье представлены научные данные по обеспечению точного регулирования количества воды и элементов питания по физиологическим фазам развития томата на основе технологий капельного орошения и фертигации. В ходе опыта количество воды и минеральных удобрений был разработан на основе развития корневой системы томата и физических и агрохимических свойств почвы. Определено снижение расхода воды на 20-40%, и увеличение коэффициента использования минеральных удобрений на 20-30% при применении оптимального соотношения и концентрации элементов NPK, соответствующих фазам вегетации, а также системы полива. Что обеспечило непрерывность поступления влаги и элементов питания в корневую зону томата, и значительно повысило урожайность и ресурсосбережение. Вместе с этим, внесение микроудобрений способствовало повышению стрессоустойчивости томата и активизации процесса фотосинтеза.
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