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Composition of brazilian phosphate rocks used for cattle feed supplement. Author(s): VIEIRA, E. C.; MORAES, S. D. S.; NOGUEIRA, A. R. de A.; NÓBREGA, J. A. Pbospbate rocks cünstitute lhe bulk of the raw materiaIs for the manufacture fertilizers and some phosphorus b-ased chemicals. !t is well known that natural pbosphate a great varíation of heavy melaIs... ... Repository: BDPA Publication year: 2004
Biological solubilization of phosphate rock by solidstate cultivation to produce eco-friendly fertilizers. Author(s): KLAIC, R.; GAVA JUNIOR, M.; RIBEIRO, C.; FARINAS, C. S. The objective of this work was to evaluate the solubilization of phosphorus from a phosphate rock by Aspergillus niger, under solidstate cultivation (SSC) in sugarcane (Saccharum officinarum) bagasse,... ... Repository: BDPA Publication year: 2021
Corrective fertilization using rock phosphates as a strategy for improving the efficiency of maintenance fertilization in common bean. Author(s): CARVALHO, M. da C. S.; NASCENTE, A. S.; OLIVEIRA JUNIOR, A. de A field study was carried out in an acidic clayey Oxisol, during five growing seasons, aiming to evaluate the agronomic effectiveness of Bayóvar reactive rock phosphate (BRF) and Arraias sedimentary r... ... Repository: BDPA Publication year: 2016
Black oats (Avena strigosa Schreb) solubilize rock phosphate and provide phosphorus to the successive crop, grapevine (Vitis labrusca L. "Red Niagara"). Author(s): MELO, G. W. B. de; MORAIS NETO, J. A.; BORBA, D. R.; IWAMOTO, H.; OZELAME, K. P. C.; VIEIRA, J. L.; ZALAMENA, J.; NASCIMENTO JUNIOR, A. In grape production, cover crops play a key role in soil protection and nutrient cycling. Thus, since grapevine requirements for P are low, adequate management of cover crops may provide sufficient P... ... Repository: BDPA Publication year: 2018
Long term experiments with reactive phosphate rocks for grain crops in Cerrado soils. Author(s): SOUSA, D. M. G. de; REIN, T. A.; NUNES, R. de S.; SANTOS JUNIOR, J. de D. G. dos Repository: BDPA Publication year: 2014
Gamma-ray spectrometry for distinguishing acid and basic rocks of the serra geral formation, in the serra gaúcha wine region, Brazil. Author(s): MODENA, R. C. C.; HOFF, R.; FARIAS, A. R.; VIEL, J. A.; COELHO, O. G. W. The gamma-ray spectrometric research has allowed for observation of the distribution of radioactive elements such as K, U and Th for recognizing the radioactive signatures of different rock types. The... ... Repository: BDPA Publication year: 2016
Characterization and nutrient release from silicate rocks and influence on chemical changes in soil. Author(s): SILVA, D. R. G.; MARCHI, G.; SPEHAR, C. R.; GUILHERME, L. R. G.; REIN, T. A.; SOARES, D. A.; ÁVILA, F. W. Repository: BDPA Publication year: 2012
Solubilization of phosphate rock by organic acids. Author(s): KLAIC, R.; KANEKO, R.; OLIVEIRA, C. R. de; ZANGIROLAMI T. C.; FARINAS, C. S. Repository: BDPA Publication year: 2017
Microbial efficiency for biosolubilization silicate rocks. Author(s): SOUZA, T. F.; REIS, D. P.; OLIVEIRA-PAIVA, C. A.; DINIZ, G. F. D.; CASTRO, C. M. S. de; MARRIEL, I. E. Repository: BDPA Publication year: 2017
HYPROP measurements of the unsaturated hydraulic properties of a carbonate rock sample. Author(s): LIPOVETSKY, T.; ZHUANG, L.; TEIXEIRA, W. G.; BOYD, A.; PONTEDEIRO, E. M.; MORICONI, L.; ALVES, J. L. D.; COUTO, P.; VAN GENUCHTEN, M. TH. The unsaturated hydraulic properties provide important theoretical and practical information about fluid flow in soils and rocks for a range of soil, environmental and engineering applications. In thi... ... Repository: BDPA Publication year: 2020

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