EFFECT OF SALINITY, ALKALINITY AND IRON SOURCES ON AVAILABILITY OF IRONDAHIYA SS; MAHENDRA SINGH.1979; PLANT AND SOIL; NLD; DA. 1979; VOL. 51; NO 1; PP. 13-18; BIBL. 13 REF.Article

ASSESSMENT OF SOIL POTASSIUM RESERVES AVAILABLE TO PLANT ROOTS.TALIBUDEEN O; BEASLEY JD; LANE P et al.1978; J. SOIL SCI.; GBR; DA. 1978; VOL. 29; NO 2; PP. 207-219; BIBL. 10 REF.Article

THE DETERMINATION AND EXTRACTION OF AVAILABLE SOIL ORGANIC COMPOUNDSKAMINSKY R.1980; SOIL SCI.; ISSN 0038-075X; USA; DA. 1980; VOL. 130; NO 3; PP. 118-123; BIBL. 21 REF.Article

LABILE AND ANION EXTRACTABLE PHOSPHATE IN CALCAREOUS SOILS AND THEIR SUITABILITY FOR CHARACTERIZING THE PHOSPHATE AVAILABILITYABD EL AAL RS; ROEMER W.1978; Z. PFLANZENERNAEHR. BODENKDE; DEU; DA. 1978; VOL. 141; NO 6; PP. 655-663; ABS. GER; BIBL. 18 REF.Article

ETUDES SUR LA LIBERATION DU POTASSIUM DES MICAS. APPLICATIONS A LA FERTILISATION.MOHAMED WALID KAMEL.1978; ; S.L.; DA. 1978; PP. 1-136; H.T. 26; BIBL. 1 P. 1/2; (THESE DOCT.-ING.; INST. NATL. POLYTECH. TOULOUSE)Thesis

REACTIONS OF COPPER WITH SOIL AFFECTING ITS AVAILABILITY TO PLANTS. I: EFFECTS OF SOIL TYPE AND TIMEBRENNAN RF; GARTRELL JW; ROBSON AD et al.1980; AUST. J. SOIL RES.; ISSN 0004-9573; AUS; DA. 1980; VOL. 18; NO 4; PP. 447-459; BIBL. 23 REF.Article

COMPARISON OF THE SHORT TERM PHOSPHATE UPTAKE BY PLANTS TO THE DECREASE IN RESIN EXTRACTABLE PHOSPHATE IN CROPPED SOILWATERHOUSE PL; BILLE SW.1978; PLANT AND SOIL; NLD; DA. 1978; VOL. 50; NO 1; PP. 67-79; BIBL. 3 REF.Article

CHANGES IN THE EXCHANGEABLE POTASSIUM CONTENTS OF SOME SOILS IN DIFFERENT EXPERIMENTAL CONDITIONS. = MODIFICATION DE LA TENEUR EN POTASSIUM ECHANGEABLE DE QUELQUES SOLS DANS DIFFERENTES CONDITIONS EXPERIMENTALESDA GAMA MV.1976; AGROCHIMICA; ITAL.; DA. 1976; VOL. 20; NO 2-3; PP. 191-203; ABS. FR. ALLEM. ESP. ITAL.; BIBL. 2 P.Article

EVALUATION OF THE PARAMETERS OF SOIL PHOSPHORUS AVAILABILITY FACTORS IN PREDICTING YIELD RESPONSE AND PHOSPHORUS UPTAKE.DALAL RC; HALLSWORTH EG.1976; SOIL SCI. SOC. AMER. J.; U.S.A.; DA. 1976; VOL. 40; NO 4; PP. 541-546; BIBL. 37 REF.Article

EVALUATION OF A NITROGEN AVAILABILITY TESTMAGDOFF FR; AMADON JF; ALEONG J et al.1983; COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS; ISSN 0010-3624; USA; DA. 1983; VOL. 14; NO 5; PP. 427-433; BIBL. 8 REF.Article

AVAILABILITY OF PHOSPHORUS IN NORMAL AND STERILIZED SAMPLES OF ALLUVIAL SOIL TREATED WITH VARIOUS ORGANIC ACIDSEL SHINNAWI MM; SHALABI MH.1981; BEITR. TROP. LANDWIRTSCH. VETERINAERMED.; ISSN 0323-5459; DDR; DA. 1981; VOL. 19; NO 2; PP. 203-211; ABS. GER/RUS/FRE/SPA; BIBL. 2 P.Article

DIFFERENCES AMONGST A WIDE-RANGING COLLECTION OF SOILS IN THE RATE OF REACTION WITH PHOSPHATEBARROW NJ.1980; AUSTRAL. J. SOIL RES.; AUS; DA. 1980; VOL. 18; NO 2; PP. 215-224; BIBL. 13 REF.Article

A LABORATORY METHOD FOR ASSESSMENT OF NITROGEN AVAILABILITY IN SOILSBAJAJ JC; REHANUL HASAN.1978; PLANT AND SOIL; NLD; DA. 1978; VOL. 50; NO 3; PP. 707-710; BIBL. 8 REF.Article

PHOSPHATE ADSORPTION AND AVAILABILITY PLANT OF PHOSPHATE. = ADSORPTION ET ASSIMILABILITE DES PHOSPHATESHOLFORD ICR; MATTINGLY GEG.1976; PLANT AND SOIL; NETHERL.; DA. 1976; VOL. 44; NO 2; PP. 377-389; BIBL. 13 REF.Article

EXTRACTION OF PHOSPHATE FROM SOME PHOSPHATIE COMPOUNDSDE BUSSETTI SG; FERREIRO EA; NATALE IM et al.1980; COMMUN. SOIL SCI. PLANT ANAL.; ISSN 0010-3624; USA; DA. 1980; VOL. 11; NO 7; PP. 741-750; BIBL. 21 REF.Article

EFFECTS OF SAMPLE PREPARATION AND HANDLING ON EXCHANGEABLE K IN SOILS DERIVED FROM IGNEOUS AND METAMORPHIC ROCKS OF WESTERN NIGERIAOMUETI SAI; AGBOOLA AA.1979; COMMUNIC. SOIL SCI. PLANT ANAL.; USA; DA. 1979; VOL. 10; NO 10; PP. 1331-1343; BIBL. 8 REF.Article

THE INSOLUBLE COPPER PHOSPHATES IN COPPER SUPERPHOSPHATE AND THEIR AVAILABILITY TO PLANTSGILKES RJ; LIM NUNEZ.1979; AUSTRAL. J. SOIL RES.; AUS; DA. 1979; VOL. 17; NO 2; PP. 325-334; BIBL. 20 REF.Article

DIE STELLUNG DER P-WASSERMETHODE ZUR ERFASSUNG DES P-ANGEBOTES DES BODENS = INTERET DE LA METHODE DU P. SOLUBLE DANS L'EAU POUR DETERMINER LA QUANTITE DE PHOSPHORE DISPONIBLE DU SOLVAN DER PAAUW F.1978; LANDERWITSCH. FORSCH., SONDERH.; DEU; DA. 1978; NO 34 PART. 2; PP. 109-120; ABS. ENG/FRE; BIBL. 8 REF.Article

KALIUMERNAEHRUNG DES TABAKS AUF EINEM K-FIXIERENDEN NORDWESTIRANISCHEN BODEN = NUTRITION POTASSIQUE DU TABAC SUR SOL ALLUVIAL FIXANT LE POTASSIUMKARBACHSCH M.1978; Z. PFLANZENERNAEHR. BODENKDE; DEU; DA. 1978; VOL. 141; NO 5; PP. 513-522; ABS. ENG; BIBL. 1 P.Article

CORRELATION OF PLANT MANGANESE WITH EXTRACTABLE SOIL MANGANESE AND SOIL FACTORS.RANDALL GW; SCHULTE EE; COREY RB et al.1976; SOIL SCI. SOC. AMER. J.; U.S.A.; DA. 1976; VOL. 40; NO 2; PP. 282-287; BIBL. 19 REF.Article

ETUDE DE LA CINETIQUE DU POTASSIUM ECHANGEABLE DANS LES SOLS LESSIVES GLOSSIQUES A L'AIDE DE LAMES MINCESKOKOTOV YU A; MOSKEVICH LP.1983; POCVOVEDENIE; ISSN 507849; SUN; DA. 1983; NO 5; PP. 34-41; ABS. ENG; BIBL. 14 REF.Article

POSSIBILITE D'UTILISATION DU POUVOIR TAMPON POUR LA CARACTERISATION DU POTASSIUM ASSIMILABLEPCHELAROVA KH; MILCHEVA M.1983; POCVOZNANIE I AGROHIMIJA; ISSN 0554-341X; BGR; DA. 1983; VOL. 18; NO 2; PP. 50-59; ABS. RUS/ENG; BIBL. 14 REF.Article

EFFECT OF TEMPERATURE AND TIME OF STORAGE OF DRY SOIL SAMPLES ON A CHEMICAL INDEX OF N AVAILABILITYMICHRINA BP; FOX RH.1982; PLANT SOIL; ISSN 0032-079X; NLD; DA. 1982; VOL. 66; NO 1; PP. 81-89; BIBL. 18 REF.Article

CORRELATION ENTRE LES RESULTATS DE METHODES DE DOSAGE DU PHOSPHORE ASSIMILABLE DE EQUER-RICHA ET LES METHODES DE MESURE DE L'INTENSITE, DE LA CAPACITE ET DE LA CINETIQUE DU PHOSPHORE DU SOLGANCHEVA A; NAUMOVA E.1982; POCVOVEDENIE; ISSN 507849; SUN; DA. 1982; VOL. 17; NO 2; PP. 22-29; ABS. RUS/ENG; BIBL. 12 REF.Article

NITROGEN AVAILABILITY IN SOME SOILS FROM TUSSOCK GRASSLANDS AND INTRODUCED PASTURES. VI: INFLUENCE OF SAMPLING TIME ON SOIL NITROGEN MINERALISATIONROSS DJ; CAIRNS A.1981; N.Z. J. SCI.; ISSN 0028-8365; NZL; DA. 1981; VOL. 24; NO 1; PP. 39-42; BIBL. 19 REF.Article