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Morfofisiologia de aceroleira irrigada com águas salinas sob combinações de doses de nitrogênio e potássio

Morphophysiology of West Indian cherry irrigated with salt water under combination of doses of nitrogen and potassium
Authors: Alvarenga,Cícero F. de Sousa; Silva,Evandro M. da; Nobre,Reginaldo G.; Gheyi,Hans R.; Lima,Geovani S. de; Silva,Luderlândio de A.;

Morfofisiologia de aceroleira irrigada com águas salinas sob combinações de doses de nitrogênio e potássio

Abstract

Propôs-se com a presente pesquisa avaliar o efeito de diferentes combinações de doses de nitrogênio e potássio sobre o crescimento e a fisiologia da cultura da aceroleira irrigada com águas salinas. O experimento foi realizado em campo, no CCTA/UFCG, em delineamento de blocos ao acaso, e tratamentos dispostos em esquema fatorial 5 x 4, referentes a cinco salinidades da água de irrigação (CEa) de 0,3; 1,3; 2,3; 3,3 e 4,3 dS m-1 e quatro combinações (C) de doses recomendadas de nitrogênio e potássio, sendo C1 = 70%N + 50%K2O; C2 = 100%N + 75%K2O; C3= 130%N + 100%K2O e C4= 160%N + 125%K2O, com três repetições, uma planta por parcela, totalizando 60 parcelas sem bordadura. A combinação das doses de 70%N (35 g de N) + 50% K2O (20 g de K2O por planta) foi mais efetiva no aumento das trocas gasosas, promovendo maior crescimento de plantas. A maioria das variáveis de crescimento e as fisiológicas não foram comprometidas pela irrigação com salinidade da água de até 4,3 dS m-1 e, não houve mitigação do estresse salino pela combinações das doses de adubação nitrogenada e potássica.

Revista de Ciências Agrárias, vol. 42 n.º 1 (2019)

Keywords

Malpighia emarginata D.C, adubação, estresse salino

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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