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Depositional age definition of the Açu Formation (Potiguar Basin, 40 39 northeastern Brazil) through Ar- Ar dating of early-authigenic K-feldspar overgrowthsDEFINIÇÃO DA IDADE DEPOSICIONAL DA FORMAÇÃO AÇU (BACIA POTIGUAR, NORDESTE DO BRASIL) 40 39 ATRAVÉS DA DATAÇÃO
(Instituto de Geociências /Universidade Federal do Rio Grande do Sul, 2010)
Mineralogy and forms of potassium in red yellow latosol of a guava (Psidium guajava) tree orchard
(Indian Counc Agricultural Res, 2001-03-01)
A trial was conducted during 1994-95 to study the effect of potassium fertilization on a guava (Psidium guajava L.) culture for 3 years. The control plots (without K) showed fruit production and potassium exportation that ...
Mineralogy and forms of potassium in red yellow latosol of a guava (Psidium guajava) tree orchard
(2001-01-01)
A trial was conducted during 1994-95 to study the effect of potassium fertilization on a guava (Psidium guajava L.) culture for 3 years. The control plots (without K) showed fruit production and potassium exportation that ...
Polishing methods of an alumina-reinforced feldspar ceramic
(2006-12-01)
The purpose of this study was to test the hypothesis that mechanical polishing methods of ceramic surfaces allow similar superficial roughness to that of glazed surfaces. Twenty-five Vitadur Alpha ceramic discs (5 mm x 2 ...