INFLUÊNCIA DA ÁGUA SALINA NAS CARACTERÍSTICAS FÍSICOQUÍMICAS DO SOLO E NO DESENVOLVIMENTO DA MAMONEIRA CULTIVADA EM VASOS
2007
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 at Environmental SciencesDepartment of UFERSA. The experimental delineating used was entirely randomized with six treatments and three replications. The soil utilized was eutrofic red-yellow latossol and the treatments were 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. It was observed that the soil under went 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.
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