ИЗМЕНЕНИЕ СОДЕРЖАНИЯ ПОДВИЖНЫХ ФОРМ АЗОТА ФОСФОРА И СЕРЫ В ПОЧВЕ В ЗАВИСИМОСТИ ОТ РЕЖИМА СЕРНОГО ПИТАНИЯ ХЛОПЧАТНИКА

Abstract

The article presents the results of a study of the effectiveness of sulfur for cotton on typical gray soil at different levels of nutrition, transformation in the soil and the use of nitrogen fertilizer by cotton when applying sulfur and different nitrogen rates. The stable isotope 15N was used in the experiment.