AN AUTOMATED PROCEDURE FOR DETERMINATION OF BORON IN SOILS, PLANTS, AND IRRIGATION WATERS.GUPTA SK; STEWART JWB.1978; SCHWEIZ. LANDWIRTSCH. FORSCH.; CHE; DA. 1978; VOL. 17; NO 1-2; PP. 51-55; ABS. GER/FRE; BIBL. 5 REF.Article

PARTICLE-SIZE FRACTIONS AND THEIR USE IN STUDIES OF SOIL ORGANIC MATTER: 2-CULTIVATION EFFECTS ON ORGANIC MATTER COMPOSITION IN SIZE FRACTIONSTIESSEN H; STEWART JWB.1983; SOIL SCI. SOC. AM. J.; USA; DA. 1983; VOL. 47; NO 3; PP. 509-514; BIBL. 29 REF.Article

CARBONATE ANALYSIS IN SOILS AND MINERALS BY ACID DIGESTION AND TWO-ENDPOINT TITRATIONTIESSEN H; ROBERTS TL; STEWART JWB et al.1983; COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS; ISSN 0010-3624; USA; DA. 1983; VOL. 14; NO 2; PP. 161-166; BIBL. 4 REF.Article

COMPARISON OF THE AMOUNTS AND FORMS OF SULFUR IN SOIL ORGANIC MATTER FRACTIONS AFTER 65 YEARS OF CULTIVATIONBETTANY JR; SAGGAR S; STEWART JWB et al.1980; SOIL SCI. SOC. AMER. J.; USA; DA. 1980; VOL. 44; NO 1; PP. 70-75; BIBL. 29 REF.Article

EFFECT OF CARBON ADDITIONS ON SOIL LABILE INORGANIC, ORGANIC AND MICROBIALLY HELD PHOSPHATECHAUHAN BS; STEWART JWB; PAUL EA et al.1979; CANAD. J. SOIL SCI.; CAN; DA. 1979; VOL. 59; NO 4; PP. 387-396; ABS. FRE; BIBL. 18 REF.Article

USE OF PLANT ANALYSIS TO PREDICT SULFUR DEFICIENCY IN RAPESEED (BRASSICA NAPUS AND B. CAMPESTRIS)MAYNARD DG; STEWART JWB; BETTANY JR et al.1983; CANADIAN JOURNAL OF SOIL SCIENCE; ISSN 0008-4271; CAN; DA. 1983; VOL. 63; NO 2; PP. 387-396; BIBL. 2 P.Article

THE NATURE AND FORMS OF SULFUR IN ORGANIC MATTER FRACTIONS OF SOILS SELECTED ALONG AN ENVIRONMENTAL GRADIENTBETTANY JR; STEWART JWB; SAGGAR S et al.1979; SOIL SCI. SOC. AMER. J.; USA; DA. 1979; VOL. 43; NO 5; PP. 981-985; BIBL. 27 REF.Article

SULFUR AND NITROGEN MINERALIZATION IN SOILS COMPARED USING TWO INCUBATION TECHNIQUESMAYNARD DG; STEWART JWB; BETTANY JR et al.1983; SOIL BIOLOGY AND BIOCHEMISTRY; ISSN 0038-0717; GBR; DA. 1983; VOL. 15; NO 3; PP. 251-256; BIBL. 24 REF.Article

INFLUENCE OF THE CHEMICAL FORM OF MERCURY ON ITS ADSORPTION AND ABILITY TO LEACH THROUGH SOILS.HOGG TJ; STEWART JWB; BETTANY JR et al.1978; J. ENVIRONMENT. QUAL.; USA; DA. 1978; VOL. 7; NO 3; PP. 440-445; BIBL. 22 REF.Article

SIMULATION OF PHOSPHORUS CYCLING IN SEMIARID GRASSLANDS.COLE CV; INNIS GS; STEWART JWB et al.1977; ECOLOGY; U.S.A.; DA. 1977; VOL. 58; NO 1; PP. 1-15; BIBL. 2 P.Article

CULTIVATION EFFECTS ON THE AMOUNTS AND CONCENTRATION OF CARBON, NITROGEN, AND PHOSPHORUS IN GRASSLAND SOILSTIESSEN H; STEWART JWB; BETTANY JR et al.1982; AGRON. J.; ISSN 0002-1962; USA; DA. 1982; VOL. 74; NO 5; PP. 831-835; BIBL. 31 REF.Article

EFFECT OF LABILE INORGANIC PHOSPHATE STATUS AND ORGANIC CARBON ADDITIONS ON THE MICROBIAL UPTAKE OF PHOSPHORUS IN SOILSCHAUHAN BS; STEWART JWB; PAUL EA et al.1981; CAN. J. SOIL SCI.; ISSN 0008-4271; CAN; DA. 1981; VOL. 61; NO 2; PP. 373-385; ABS. FRE; BIBL. 28 REF.Article

AN IMPROVED METHOD FOR THE DETERMINATION OF CARBON IN SOILS AND SOIL EXTRACTS BY DRY COMBUSTION = UNE METHODE AMELIOREE POUR LA DETERMINATION DU CARBONE DANS DES SOLS ET DES EXTRAITS DE SOL PAR COMBUSTION A SECTIESSEN H; BETTANY JR; STEWART JWB et al.1981; COMMUN. SOIL SCI. PLANT ANAL.; ISSN 0010-3624; USA; DA. 1981; VOL. 12; NO 3; PP. 211-218; BIBL. 7 REF.; 2 TAB. ; ILL.Article

RAPID DETERMINATION OF PROTEIN IN PLANT MATERIAL BY FLOW INJECTION SPECTROPHOTOMETRY WITH TRINITROBENZENESULFONIC ACID.SODEK L; RUZICKA J; STEWART JWB et al.1978; ANAL. CHIM. ACTA; PAYS-BAS; DA. 1978; VOL. 97; NO 2; PP. 327-333; BIBL. 11 REF.Article

FLOW INJECTION ANALYSIS. IV. STREAM SAMPLE SPLITTING AND ITS APPLICATION TO THE CONTINUOUS SPECTROPHOTOMETRIC DETERMINATION OF CHLORIDE IN BRACKISH WATERSRUZICKA J; STEWART JWB; ZAGATTO EA et al.1976; ANAL. CHIM. ACTA; PAYS-BAS; DA. 1976; VOL. 81; NO 2; PP. 387-396; BIBL. 8 REF.Article

PARTICLE SIZE FRACTIONS AND THEIR USE IN STUDIES OF SOIL ORGANIC MATTER; I, THE NATURE AND DISTRIBUTION OF FORMS OF CARBON, NITROGEN, AND SULFUR = LES FRACTIONS GRANULOMETRIQUES ET LEUR UTILISATION DANS LES ETUDES DE LA MATIERE ORGANIQUE DES SOLS. I. NATURE ET REPARTITION DES FORMES DU CARBONE, DE L'AZOTE ET DU SOUFREANDERSON DW; SAGGAR S; BETTANY JR et al.1981; SOIL SCI. SOC. AM. J.; ISSN 0361-5995; USA; DA. 1981; VOL. 45; NO 1-6; PP. 767-772; BIBL. 46 REF.; 4 TAB. ; ILL.Conference Paper

FLOW INJECTION ANALYSIS. III. COMPARISON OF CONTINUOUS FLOW SPECTROPHOTOMETRY AND POTENTIOMETRY FOR THE RAPID DETERMINATION OF THE TOTAL NITROGEN CONTENT IN PLANT DIGESTS. = ANALYSE PAR INJECTION EN ECOULEMENT. III. COMPARAISON DE LA POTENTIOMETRIE ET DE LA SPECTROMETRIE EN ECOULEMENTS CONTINUS POUR LA DETERMINATION RAPIDE DE LA TENEUR EN AZOTE TOTAL DANS LES HYDROLYSATS VEGETAUXSTEWART JWB; RUZICKA J; FILHO HB et al.1976; ANAL. CHIM. ACTA; PAYS-BAS; DA. 1976; VOL. 81; NO 2; PP. 371-386; BIBL. 19 REF.Article