DESENVOLVIMENTO DA MAMONEIRA, CULTIVADA EM VASOS, SOB DIFERENTES NÍVEIS DE SALINIDADE DA ÁGUA EM LATOSSOLO VERMELHO-AMARELO EUTRÓFICO
2008
Cybelle Barbosa e Lima | Sebastião Vasconcelos dos Santos Filho | Maria Auxiliadora dos Santos | Maurício de Oliveira
The objective of evaluating the effect of salinity water irrigation of the for vegetative phase of castor culture, it was developed a greenhouse experiment in the Ciências Ambientais Department of UFERSA. The experimental delineating used was entirely randomized with six treatments and three replications. The soil utilized was eutrofic Redyellow Latossol and the treatment was six waters with different salinity levels (0,5; 1,0; 1,5; 2,0; 2,5; 3,0 dS·m-1). The cropping was carried out with the BRS 149-Nordestina variety. The variables evaluated were: chemical-physical characteristics of the soil (pH, Electrical Conductivity, Ca, Mg e Na), and in the plant, the plant height, stalk diameter, fresh and dry matter, and leaf area. It was observed that soil undergo had the influence of the waters utilized: the pH, Electrical Conductivity and changeable Na with the water salinity. With the increase of the salinity, the plant development decreased, with increased of salinity.
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