Перспективы Использования Хвостов Обогащения Фосфоритов В Качестве Удобрений Для Органического Земледелия

Syrchina, N.V.; Аshikhmina, Т. Ya.; Bogatyryova, N.N.; Kantor, G. Ya.

doi:10.25750/1995-4301-2020-1-160-166

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материалы и методы1

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2023

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“…Содержание глауконитов в соответствующем материале может достигать 70% [16]. Возможность и перспективность использования ХОФ в качестве почвенного мелиоранта или компонента удобрений обоснована в публикациях [17,18].…”

Section: материалы и методыunclassified

Transformation of soil algocyanoflora under the influence of Verkhnekamsk lean rock phosphorites

Kondakova,

Syrchina,

Ashikhmina

et al. 2023

TaAE

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The research deals with soil algocyanoflora reaction to Verkhnekamsk lean rock phosphorites which are used as natural fertilizers. Cyanobacteria turned out to be the most sensitive to Verkhnekamsk lean rock phosphorites; they are responsive to phosphorus and to reduction of soil acidity. As compared with the control, after adding 0.5 g/kg Verkhnekamsk lean rock phosphorites, their species diversity in the variant increased 1.5 times. Introduction of Verkhnekamsk lean rock phosphorites caused increase in cyanobacteria quantity as well. The number of cyanobacteria cells increased in the variants: 0.2 g/kg by 30%, 0.5 g/kg by 51.7%, 1.0 g/kg by 57.8%. The overall number of micophototrophic cells increased from 174.0±14.3 thousand cells per 1 g of soil to 222.3±15.8 thousand cells per 1 g of soil (0.5 g/kg).

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Section: материалы и методыunclassified