Response of spinach to nitrogen source and fertilizer rates

Stancheva, I.; Atanasova, E.

Response of spinach to nitrogen source and fertilizer rates

2000

Stancheva, I. | Atanasova, E. (Institut po Pochvoznanie i Agroekologiya "N. Pushkarov", Sofia (Bulgaria))

The increases of frtilizer rate, over 560 mg/kg soil resulted reduction of fresh and dry biomass and plastid pigment content independently of the nitrogen source, but better adaptability to nitrate as N-source for spinach was confirmed. Leaf nitrate concentration above the acceptable limit one was observed in the presence of the NH4NO3 at concentrations that suppressed plant biomass accumulation.

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AGROVOC Keywords

abonos npk application rates biomasa biomass biomasse carotenoide carotenoides carotenoids chlorophylle chlorophylls clorofilas dose d'application engrais npk nitrate nitrates nitratos npk fertilizers spinacia oleracea

Bibliographic information

Published in

Pochvoznanie, Agrokhimiya i Ekologiya (Bulgaria) | Soil Science Agrochemistry and Ecology

Volume 35 Issue 4 ISSN 0861-9425

Pagination

pp. 30-33

Other Subjects

Dosis de aplicacion

Language

Bulgarian

Note

Summary (En)

2 ill., 2 tables; 13 ref.

Translated Title

Reaktsiya na spanak v otgovor na azotniya iztochnik i normite na torene

Type

Summary

Corporate Author

Natsionalen Tsent"r za Agrarni Nauki, Sofia (Bulgaria)

In AGRIS since: 2000-08-15

Format: AGRIS AP

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Response of spinach to nitrogen source and fertilizer rates

2000

AGROVOC Keywords

Bibliographic information