ADSORPTION OF ZN BY FE AND AL HYDROUS OXIDES AS INFLUENCED BY AGING AND PH.SHUMAN LM.1977; SOIL SCI. SOC. AMER. J.; U.S.A.; DA. 1977; VOL. 41; NO 4; PP. 703-706; BIBL. 15 REF.Article

ADSORPTION OF ZN BY FE AND AL HYDROUS OXIDES AS INFLUENCED BY AGING AND PH.SHUMAN LM.1977; SOIL SCI. SOC. AMER. J.; U.S.A.; DA. 1977; VOL. 41; NO 4; PP. 703-706; BIBL. 15 REF.; 4 ILL.Article

SEPARATING SOIL IRON- AND MANGANESE-OXIDE FRACTIONS FOR MICROELEMENT ANALYSIS = SEPARATION DES FRACTIONS OXYDE DE FER ET DE MANGANESE DU SOL POUR L'ANALYSE DES MICROELEMENTSSHUMAN LM.1982; SOIL SCI. SOC. AM. J.; ISSN 0361-5995; USA; DA. 1982-10; VOL. 46; NO 5; PP. 1099-1102; BIBL. 17 REF.; 4 TAB. ; ILL.Article

SEPARATING SOIL IRON AND MANGANESE OXIDE FRACTIONS FOR MICROELEMENT ANALYSISSHUMAN LM.1982; SOIL SCI. SOC. AM. J.; USA; DA. 1982; VOL. 46; NO 5; PP. 1099-1102; BIBL. 17 REF.Article

EFFECT OF SOIL PROPERTIES ON MANGANESE ADSORPTION ISOTHERMS FOR FOUR SOILS.SHUMAN LM.1977; SOIL SCI.; U.S.A.; DA. 1977; VOL. 124; NO 2; PP. 77-81; BIBL. 11 REF.; 5 ILL.; 4 ANAL.Article

ZINC ADSORPTION ISOTHERMS FOR SOIL CLAYS WITH AND WITHOUT IRON OXIDES REMOVED.SHUMAN LM.1976; SOIL SCI. SOC. AMER. J.; U.S.A.; 1976, VOL. 40, NUM. 0003, P. 349 A 352Serial Issue

SOIL DISTRIBUTION AND SOYBEAN PLANT ACCUMULATION OF MANGANESE IN MANGANESE-DEFICIENT AND MANGANESE-FERTILIZED FIELD PLOTSWILSON DO; BOSWELL FC; OHKI K et al.1981; SOIL SCI. SOC. AM. J.; USA; DA. 1981; VOL. 45; NO 3; PP. 549-552; BIBL. 17 REF.Article

MANGANESE EFFECTS ON YIELD AND NUTRIENT CONCENTRATION IN LEAVES AND SEED OF SOYBEAN CULTIVARSPARKER MB; BOSWELL FC; OHKI K et al.1981; AGRON. J.; ISSN 0002-1962; USA; DA. 1981; VOL. 73; NO 4; PP. 643-646; BIBL. 32 REF.Article

CRITICAL MANGANESE DEFICIENCY LEVEL OF SOYBEAN RELATED TO LEAF POSITIONOHKI K; BOSWELL FC; PARKER MB et al.1979; AGRON. J.; USA; DA. 1979; VOL. 71; NO 2; PP. 233-234; BIBL. 13 REF.Article

SOYBEAN YIELD, LEAF MANGANESE, AND SOIL MANGANESE AS AFFECTED BY SOURCES AND RATES OF MANGANESE AND SOIL PHSHUMAN LM; BOSWELL FC; OHKI K et al.1979; AGRON. J.; USA; DA. 1979; VOL. 71; NO 6; PP. 989-991; BIBL. 15 REF.Article

METHODS AND RATES OF APPLIED MANGANESE FOR SOYBEANSBOSWELL FC; OHKI K; PARKER MB et al.1981; AGRON. J.; ISSN 0002-1962; USA; DA. 1981; VOL. 73; NO 6; PP. 909-912; BIBL. 18 REF.Article

CRITICAL SOIL MANGANESE DEFICIENCY LEVELS FOR FOUR EXTRACTANTS FOR SOYBEANS GROWN IN SAUDY SOILSHUMAN LM; BOSWELL FC; OHKI K et al.1980; SOIL SCI. SOC. AM. J.; USA; DA. 1980; VOL. 44; NO 5; PP. 1021-1025; BIBL. 12 REF.Article