Nitrogen balance following long-term fertilization in agrocenoses on soddy-podzolic soils

Gamzikov, G.P.; Barsukov, P.A.

Agrokhimiya (9): 5-10

1997


ISSN/ISBN: 0002-1881
Accession: 009099591

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Abstract
Method of field modeling of a long-term agrochemical experiment with fertilization was used. Principal parameters of nitrogen balance within one grain-grass crop rotation were calculated as a function of preceding fertilization level. Mathematical and direct methods for determining nitrogen balance in a crop rotation were compared.