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Author(s): Santana Junior, E. B.; COELHO, E. F.; Santos, M. R. dos; Silva, A. J. P. da; Reis, J. B. R. da S.; Pereira, B. L. da S. Information on soil hydrodynamic processes assists in explaining the soil-water-plant relationship and has practical applications to irrigation management, such as the definition of soil water sensor... ... |
Author(s): MARIN, F. R.; ANGELOCCI, L. R. Crop evapotranspiration (ETc) was measured as evaporative heat flux from an irrigated acid lime orchard (Citrus latifolia Tanaka) using the aerodynamic method. Crop transpiration (T) was determined by... ... |
Author(s): BRANDAO, Z. N.; SOFIATTI, V.; BEZERRA, J. R. C.; FERREIRA, G. B.; MEDEIROS, J. C. The canopy reflectance using ground-based sensors has the potential to provide information on crop nitrogen content. The objective of this study was to determine relationships between canopy spectral... ... |
Author(s): SHOCK, C. C.; FEIBERT, E. B. G.; PINTO, J. M. The irrigation needs of long day onion (Allium cepa) have been extensively studied at Ontario, Oregon, over the past 22 years. Drip irrigation has compared favorably with furrow and sprinkler irrigati... ... |
Author(s): ARAÚJO, L. M.; TEIXEIRA, A. H. de C.; BASSOI, L. H. In order to make feasible the use of irrigated areas of the Pontal Sul Irrigation Scheme in Petrolina, State of Pernambuco, Brazil, modelling of real evapotranspiration (ET) and plant biomass producti... ... |
Author(s): SOCCOL, O. J.; RODRIGUES, L. N.; BOTREL, T. A.; ULLMANN, M. N. The objective of this work was to evaluate the efficiency of a hydrocyclone to separate sand in irrigation water. To do this, it an experiment was conducted where the hydrocyclone was operated with pr... ... |
Author(s): LOBO, F. A.; OLIVA, M. A.; RESENDE, M.; LOPES, N. F.; MAESTRI, M. ABSTRACT- The objective of this work was to determine the critical irrigation time for common bean (Phaseolus vulgaris L. cv. Carioca) using infrared thermometry. Five treatments were analyzed. Canopy... ... |
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Author(s): SILVA, A. J. P. da; COELHO, E. F.; MIRANDA, J. H. de The food production will be limited in a near future due to the shortening of water resources. The irrigated agriculture must seek for solutions in order to guarantee high yields using water with high... ... |
Author(s): TEIXEIRA, A. H. de C.; BASTIAANSSEN, W. G. M. Energy balance measurements were carried out in a mango orchard during two growing seasons in the semi-arid region of Brazil. The actual evapotranspiration (ET) was acquired by eddy correlation (EC) a... ... |
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