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Effect of the application of different water depths and nitrogen and potassium doses on quality of Tanzania grass. Author(s): OLIVEIRA FILHO, J. da C.; OLIVEIRA, R. de; OLIVEIRA, E. M. de; CECON, P. R.; MARTINS, C. E. ABSTRACT - The objective of this study was to evaluate the effects of the application of different water depths and nitrogen and potassium doses in the quality of Tanzania grass, in the southern of th... ... Repository: BDPA Publication year: 2012
Response of the common bean to liquid fertilizer and Rhizobium tropici inoculation. Author(s): SILVA, J. G. da; FERREIRA, E. P. de B.; DAMIN, V.; NASCENTE, A. S. The common bean production system is majorly based on the use of granular fertilizers to provide nutrients for the crop. Studies on the use of liquid fertilization at an appropriated depth and, seed i... ... Repository: BDPA Publication year: 2020
Ammonia loss from protected urea in soil under different irrigation depths. Author(s): ESPINDULA, M. C.; RODOVALHO, G. M.; MARCOLAN, A. L.; BARBERENA, I. M.; CIPRIANI, H. N.; ARAÚJO, L. F. B. de This study presents an evaluation of the viability of using protected urea under different irrigation depths to reduce nitrogen losses caused by the volatilization of ammonia (NH3) under the condition... ... Repository: BDPA Publication year: 2021
Nitrate and potassium dynamics in profiles of soils cultivated with fertigated sugarcane crops. Author(s): SILVA FILHO, V. C. da; ANDRADE JUNIOR, A. S. de; RIBEIRO, V. Q.; MELO, F. de B.; LOPES, A. da S. The objective of this study was to evaluate the distribution of NO3- and K+ in the profile of soils cultivated with sugarcane crops, after application of different nitrogen (N) and potassium (K2O) rat... ... Repository: BDPA Publication year: 2019
Determining optimum sowing date for maize using modelling approach. Author(s): HEINEMANN, A. B.; STONE, L. F. The objective of this study was to determine the optimum sowing date for maize at Santo Antonio de Goiás, GO, Brazil. To optimize solar radiation and precipitation during the maize sowing period (from... ... Repository: BDPA Publication year: 2008
Depth profile investigations of surface modifications of limestone artifacts by laser-induced breakdown spectroscopy. Author(s): SENESI, G. S.; NICOLODELLI, G.; MILORI, D. M. B. P.; PASCALE, O. DE Repository: BDPA Publication year: 2017
Ground penetrating radar non-invasively positions an underground dam and estimates its water reservoir shape and volume. Author(s): VASQUES, G. de M.; RODRIGUES, H. M.; HUBER, E.; TAVARES, S. R. de L.; MARQUES, F. A.; SILVA, M. S. L. da The objectives are to use ground penetrating radar (GPR) to: (a) find a suitable length and location for a future underground dam; and (b) model the shape and estimate the volume of its water reservoi... ... Repository: BDPA Publication year: 2022
Phosphorus fraction in a yellow latosol cropped under no-tilage system in the brazilian Amazon. Author(s): BRASIL, E. C.; DANTAS, R. C. R.; SILVA JÚNIOR, M. L. da; GAMA, M. A. P. Phosphorus (P) deficiency is one of the main factors that limits productivity in Brazilian soils. However, soil management under no-tillage system (NT) may alter the availability of P in the soil. The... ... Repository: BDPA Publication year: 2020
Cultivares de feijão-caupi submetidas a diferentes regimes hídricos. Author(s): ANDRADE JUNIOR, A. S. de; IRENE FILHO, J.; FERREIRA, J. O. P.; RIBEIRO, V. Q.; BASTOS, E. A. Objetivou-se avaliar o crescimento de cultivares de feijão-caupi de porte semi-ereto e semiprostrado em resposta a aplicação de lâminas de irrigação nas condições de solo e clima do município de Bom J... ... Repository: BDPA Publication year: 2014
Determining optimum sowing date for early upland rice cultivar using modelling approach. Author(s): HEINEMANN, A. B.; STONE, L. F. The objective of this study was to determine the optimum sowing date for early upland rice cultivar at Santo Antonio de Goiás, GO, Brazil. To optimize solar radiation and precipitation during the upla... ... Repository: BDPA Publication year: 2008

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