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DYNA
Print version ISSN 0012-7353
Abstract
ANDRADE-FILHO, Jerônimo et al. Foliar content of N, P and K in cotton fertigated with treated sewage effluents. Dyna rev.fac.nac.minas [online]. 2017, vol.84, n.202, pp.147-154. ISSN 0012-7353. https://doi.org/10.15446/dyna.v84n202.61916.
The objective of this study was to evaluate the effects of irrigation with treated sewage effluent in the leaf content of nitrogen, phosphorus and potassium in cotton (Gossypium hirsutum L. cultivar 8H) growing in two soil types. The experiment was carried out on the campus of the Federal University of the Semi-Arid Mossoró, Brazil. The experimental design was a randomized block with split plots. Treatments consisted of dilutions of domestic sewage effluent with water-supply [25, 50, 75 e 100% effluent and, water-supply + mineral soil fertilization - control] in two different types of soils textures (Oxisol and inceptisol). We conclude that the use of treated sewage effluent supplies the nutritional needs of growing cotton in relation to N and K, except for P.
Keywords : Gossypium hirsutum L.; wastewater; fertirrigation..