[PDF] Top 20 Production of ornamental sunflower irrigated with oilfield produced water in the Brazilian semiarid region

... concentrations of Ca, Fe, and Zn in the roots were positively affected by irrigation with PWO, during the second cycle (Table 6), in comparison to the treatment ... See full document

... - The great solar radiation in the Brazilian semiarid region, combined with an adequate irrigation management, favors fruit production and quality of crops ... See full document

... to the quantitative and qualitative limitation of water resources, saline water irrigation and nitrogen (N) fertilisation can contribute positively to the expansion of ... See full document

... and semiarid lands with continental oil fields, the water obtained with oil, known as "produced water" (PW), has been suggested as an alternative source for ... See full document

... Treatment of PW by nanofiltration (MOTTA et ...use in in irrigated agrosystems. The appropriate treatment of PW offers opportunities for the irrigated ... See full document

... using produced water, which is generated during crude oil and gas recovery and treated by the exploration industry, could be an option for irrigated agriculture in semiarid ... See full document

... was the dissolved oxygen concentration in the water which presented values recommended by the law, above 10 ...compared the two periods, it was observed a relationship between ... See full document

... accommodation of bas-relief panels [34]. So, there were no regularities to install the sculptures and "the whole sculpture was seen as one of the kinds of inner decor ... See full document

... that the phenotypic features of all collected flower stalks were consistent with the regional consumption standard and the flowers were marketed by the farmers after growth ... See full document

... overload in artificial reservoirs can pose a risk to human health and aquatic ...Thus, the trophic state of a reservoir is an important characteristic for understanding its environmental conditions ... See full document

... discusses the possibilities of using optical measurements for defining the geometric accuracy of gear wheels casts manufactured in the rapid prototyping ...process. The ... See full document

... area, the prevention of salinization involves the survey of soil properties, the proper management of irrigation and the planning of an efficient drainage ...On ... See full document

... among the compared montane ...and the structure of these forests follows no systematic trend in relation to ...over the year may be as important or even more important than total annual ... See full document

... distribution of variables was characterized by building experimental semivariograms, and adjusting theoretical models and their respective setting parameters (nugget effect, sill, and range of spatial ... See full document

... MELLO, C.R. de; VIOLA, M.R.; OWENS, P.R.; MELLO, J.M. de; BESKOW, S. Interpolation methods for improving the RUSLE R-factor mapping in Brazil. Journal of Soil and Water Conservation, v.70, ... See full document

... characterize the embryotoxic, teratogenic and abortifacient effect of Poincianella pyramidalis in ...goats with 18 days of gestation were divided into five groups of four animals ... See full document

... observed in March, and the lowest ones from June to November (Table 1), with greatest variation in the period between December and May, when soil and water conservation and ... See full document

... frequency of suspect animals was observed in this work ...titers of antibodies that would increase with time. The cross relation between ...results with low ...2009). In ... See full document

... group of materials used for the production, not only tools, but also machine ele- ments, that need to have the increased strength, for example the high-speed steels are used on ... See full document

... appropriation of freshwater systems. Water Footprint Assessment refers to a variety of methods to quantify and map the water footprint of specific processes, products, producers ... See full document