Экономическая эффективность применения удобрений в севооборотах.
Abstract
В исследованиях надерново-подзолистой легкосуглинистой почве во сновных типах полевых севооборотов при общей продуктивности 62,5-94,8 ц/гак.ед. применение полного минерального удобрения способствовало увеличению продуктивности на 19,9-30,3 ц/гак.ед., органических удобрений - на5,2-10,8 ц/гак.ед. при окупаемости 1кг NPK8,1-10,0к.ед., 1 торганических удобрений -65,0-131,3 к.ед. Полная органоминеральная система удобрения в зависимости от типа севооборота и доз удобрений обеспечила получение 50,4-98,6$/га чистого дохода с рентабельностью 32-67%.
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