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Xavier J.F.,Federal University of Campina Grande | De Azevedo C.A.V.,Federal University of Campina Grande | Beltrao N.E.M.,Embrapa Algodao | Fernandes J.D.,DAA Inc | De Lima V.L.A.,Federal University of Campina Grande
Revista Caatinga | Year: 2014

The reuse of waters served in industries is winning space in the current days, in face of possibility of its use in agriculture. It was aimed with this work to evaluate the effect of levels of available water in the soil and of effluents of industries of supply Campina Grande, Paraíba state, Brazil, on the chemical attributes of the soil and on the phytomass and production variables of the castor oil plant, variety BRS Nordestina. The experiment was in greenhouse in entirely randomized design in factorial scheme 5 x 3 with 3 repetitions, with 5 water types and 3 available soil water levels. The studied treatments promoted increase in all soil chemical attributes at the end of the experiment. The interaction types of water and levels of available water in the soil was significant for all phytomass and production variables, except for the length of the root. The largest value for the phytomass and production variables was obtained for the treatment with 100% of available water in the soil and wastewater of COTEMINAS. however, the number of male flowers didn't suffer significant effect of the levels of available water of the soil with the wastewater of COTEMINAS. © 2014, Universidade Federal Rural do Semi-Arid. All rights reserved.

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