EFEITO DO PH E DA CONCENTRACAO DE ALUMINIO EM SOLUCAO SOBRE A SOLUBILIZACAO DE APATITA - DE - ARAXA = EFFET DU PH ET DE LA CONCENTRATION EN ALUMINIUM DE LA SOLUTION SUR LA SOLUBILISATION DE L'APATITENOVAIS RF; RIBEIRO AC.1982; REV. BRAS. CIENC. SOLO; BRA; DA. 1982; VOL. 6; NO 1; PP. 66-68; ABS. ENG; BIBL. 10 REF.Article

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EFEITO DA SUBSTITUICAO GRADATIVA DE FOSFATO SOLUVEL POR FOSFATO NATURAL SOBRE O RENDIMENTO DE GRAOS DO ARROZ IRRIGADO = EFFET DE REMPLACEMENT GRADUEL DU PHOSPHATE SOLUBLE PAR DU PHOSPHATE NATUREL SUR LE RENDEMENT EN GRAIN DU RIZ IRRIGUEBACHA RE; CABRAL JT; LOPES MS et al.1980; REUNIAO DA CULTURA DO ARROZ IRRIGADO. 10/1980/PORTO ALEGRE; PRT; PORTO ALEGRE: IRGA; DA. 1980; PP. 121-122Conference Paper

ARSENIC IN PHOSPHORITES.BLISKOVSKIJ VZ; ROMANOVA LV; SMIRNOV AI et al.1968; GEOKHIMIJA; SUN; 1968(6), NUM. 0006, P. 709 A 719Miscellaneous

A simple model to describe the dissolution of phosphate rock in soilsMACKAY, A. D; SYERS, J. K; TILLMAN, R. W et al.Soil Science Society of America journal. 1986, Vol 50, Num 2, pp 291-296, issn 0361-5995Article

Ultrastructure of a microbial mat-generated phosphorite = Microstructure d'une phosphorite d'origine microbienneDAHANAYAKE, K; KRUMBEIN, W. E.Mineralium deposita. 1985, Vol 20, Num 4, pp 260-265, issn 0026-4598Article

An unusual ornamental stone: collophane = Une pierre ornementale peu ordinaire: le collophanePOIROT, J.-P.1983, Vol 18, Num 6, pp 515-519, issn 0022-1252Article

Phosphorites on the sea floor. Origin, composition and distribution = Phosphorites du fond de la mer. Origine, composition et répartitionBATURIN, G. N; VITALIANO, D. B.Developments in sedimentology. 1982, Vol 33, issn 0070-4571, 343 p.Serial Issue

Rasseyannoe organicheskoe veshchestvo v fosforitakhYUDIN, N. I.1981, Vol 7, Num 2, pp 198-203Article

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Issledovanie izomorfnoj primesi VO2+ v apatite fosforitov metodom EHPRGILINSKAYA, L. G; ZANIN, YU. N.Doklady Akademii nauk SSSR. 1983, Vol 273, Num 6, pp 1463-1467, issn 0002-3264Article

Petrochemical verification of genetic hypotheses on the Seligdar apatite deposit according to the material to the material composition of the ores = Vérification pétrochimique des hypothèses génétiques concernant le dépôt d'apatite de Seligdar selon la composition des matériaux des gîtesVASILENKO, V. B; KNOLODOVA, L. D.Soviet geology and geophysics. 1982, Vol 23, Num 10, pp 70-77, issn 0361-7149Article

Comparison of Prewashing Procedures for the Assessment of Phosphate Rock Dissolution in SoilsROBOREDO, Marta; COUTINHO, João.Communications in soil science and plant analysis. 2011, Vol 42, Num 5-8, pp 883-895, issn 0010-3624, 13 p.Article

Greenhouse evaluation of phosphorus sources produced from a low-reactive brazilian phosphate rockPROCHNOW, L. I; CHIEN, S. H; CARMONA, G et al.Agronomy journal (Print). 2004, Vol 96, Num 3, pp 761-768, issn 0002-1962, 8 p.Article

Potential for use of unacidulated and partially acidulated phosphate rockPhosphorus and potassium. 1990, Num 168, pp 15-19, issn 0031-8426, 5 p.Article

La exploración de fosfato en del Ecuador = La prospection du phosphate en EquateurTORRES, L.1983, Num 5-6, pp 3-14Article

Stratigraphische Verbreitung der Ammonitengattung Catacoeloceras im Toarcium Europas = Extension stratigraphique du genre d'ammonite catacoeloceras dans le Tourcien d'Europe = Stratigraphic distribution of the ammonite genus Catacoeloceras in the Toarcian of EuropeRIEGRAF, W.Senckenbergiana lethaea. 1986, Vol 67, Num 1-4, pp 305-313, issn 0037-2110Article

Exploración de roca fosfórica en Colombia = Prospection de roches phosphatées en ColombieMOJICA, P.1983, Num 5-6, 5Article

The phosphate industry in postage stampsPhosphorus and potassium. 1999, Num 223, pp 24-25, issn 0031-8426Article

Phosphorites: introductionLUCAS, J; PREVOT, L.Sciences géologiques. Mémoire. 1985, Num 77, pp 5-8, issn 0302-2684Article

Sedimentological and petrological studies on EL-Tella El-Byd area, Eastern Desert, Egypt = Etudes sédimentologiques et pétrologiques de la région d'El Tella El-Byd, désert oriental, EgypteASHRAF WALI.Mezhdunarodnyj geologicheskij kongress. 27. 1984, 10Conference Paper

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CARACTERIZACION QUIMICA, MINERALOGICA Y EVALUACION AGRONOMICA DE ROCA FOSFORICA DE DIFERENTES-DEPOSITOS = CARACTERISATION CHIMIQUE, MINERALOGIQUE ET VALEUR AGRONOMIQUE DE ROCHES PHOSPHATEES DE DIVERSES ORIGINEGOMEZ JHA; CAJUSTE LJ; ESCOBAR RN et al.1980; AGROCIENCIA; MEX; DA. 1980; NO 41; PP. 95-112; ABS. ENG; BIBL. 18 REF.Article

ETUDE AU MICROSCOPE ELECTRONIQUE DES PHOSPHORITES OCEANIQUESBATURIN GN; DUBINCHUK VT.1974; DOKL. AKAD. NAUK S.S.S.R.; SUN; 1974, VOL. 218, NUM. 0006, P. 1446 A 1449Serial Issue

A RAPID METHOD OF TRACE ANALYSIS OF VANADIUM FROM PHOSPHORITES.DUBEY RK; AGRAWAL YK.1974; CHEM. GEOL.; NLD; 1974, VOL. 14, NUM. 0004, P. 281 A 284Serial Issue