EFFECT OF INCREASED NITROGEN FIXATION ON STRATOSPHERIC OZONE.PRATT PF.1977; CLIMAT. CHANGE; NETHERL.; DA. 1977; VOL. 1; NO 2; PP. 109-135; BIBL. 2 P. 1/2Article

MANAGEMENT RESTRICTIONS IN SOIL APPLICATION OF MANUREPRATT PF.1979; J. ANIMAL SCI.; USA; DA. 1979; VOL. 48; NO 1; PP. 134-143; BIBL. 2 P.Article

EFFECT OF MANURE AND IRRIGATION ON SODIUM BICARBONATE-EXTRACTABLE PHOSPHORUSPRATT PF; LAAG AE.1981; SOIL SCI. SOC. AM. PROC.; USA; DA. 1981; VOL. 45; NO 5; PP. 887-888; BIBL. 10 REF.Article

NITROGEN AVAILABILITY IN ANIMAL MANURES AND CROP YIELDSCASTELLANOS JZ; PRATT PF.1981; AGROCHIMICA; ITA; DA. 1981; VOL. 25; NO 5-6; PP. 443-451; ABS. FRE/GER/SPA/ITA; BIBL. 15 REF.Article

PHOSPHORUS REMOVAL FROM WASTEWATER APPLIED TO LANDRYDEN JC; PRATT PF.1980; HILGARDIA; USA; DA. 1980; VOL. 48; NO 1; 36 P.; BIBL. 8 P.Serial Issue

EFFECTS OF RATE OF APPLICATION AND TIME ON PHOSPHORUS SORPTION BY SOILSIBRAHIM HS; PRATT PF.1982; SOIL SCI. SOC. AM. J.; USA; DA. 1982; VOL. 46; NO 5; PP. 926-928; BIBL. 16 REF.Article

EFFECTS OF RATE OF APPLICATION AND TIME ON PHOSPHORUS SORPTION BY SOILS = INFLUENCES DU TAUX D'APPLICATION ET DU TEMPS SUR LA SORPTION DE PHOSPHORE PAR LES SOLSIBRAHIM HS; PRATT PF.1982; SOIL SCI. SOC. AM. J.; ISSN 0361-5995; USA; DA. 1982-10; VOL. 46; NO 5; PP. 926-928; BIBL. 16 REF.; 2 TAB. ; ILL.Article

PHOSPHORUS REMOVAL FROM WASTEWATER APPLIED TO LANDRYDEN JC; PRATT PF.1980; HILGARDIA; ISSN 0073-2230; USA; DA. 1980; VOL. 48; NO 1; 36 P.; BIBL. 8 P.Serial Issue

EFECTOS AGRONOMICOS DE LA RETENCION Y LIXIVIACION DE NITRATOS EN DOS ANDEPTS DE COLOMBIA = EFFETS AGRONOMIQUES DE LA RETENTION ET DU LESSIVAGE DES NITRATES DANS LES ANDEPTS DE COLOMBIELEON SLA; PRATT PF.1974; TURRIALBA; COSTA RICA; DA. 1974; VOL. 24; NO 4; PP. 408-413; ABS. ANGL.; BIBL. 5 REF.Article

MINERALIZATION OF MANURE NITROGEN-CORRELATION WITH LABORATORY INDEXESCASTELLANOS JZ; PRATT PF.1981; SOIL SCI. SOC. AM. J.; USA; DA. 1981; VOL. 45; NO 2; PP. 354-357; BIBL. 10 REF.Article

ESTIMATION OF THE SALT BURDEN OF IRRIGATION DRAINAGE WATERSJURY WA; PRATT PF.1980; J. ENVIRON. QUAL.; GBR; DA. 1980; VOL. 9; NO 1; PP. 141-146; BIBL. 10 REF.Article

INFLUENCIA DE DEFERENTES ENMIENDAS HUMICAS EN EL RENDIMIENTO Y COMPOSICION MINERAL DEL FORRAJE DE CEBADA = INFLUENCE DE DIFFERENTES MATIERES HUMIQUES SUR LE RENDEMENT ET LA COMPOSITION MINERALE DE L'ORGE FOURRAGEREPOMARES GARCIA E; PRATT PF.1979; AN. INST. NAC. INVEST. AGRAR., SER. PROD. VEG.; ISSN 0376-1851; ESP; DA. 1979; NO 11; PP. 37-53; ABS. ENG; BIBL. 18 REF.Article

EFECTOS DEL ESTIERCOL Y LODO DE ALCANTARILLADO EN ALGUNAS PROPIEDADES QUIMICAS DEL SUELO = EFFET DU FUMIER DE FERME ET DE BOUES RESIDUAIRES SUR QUELQUES PROPRIETES CHIMIQUES DU SOLPOMARES GARCIA F; PRATT PF.1979; AN. INST. NAC. INVEST. AGRAR., SER. GEN.; ISSN 0210-2463; ESP; DA. 1979; NO 6; PP. 97-111; ABS. ENG; BIBL. 19 REF.Article

EFECTOS DEL ESTIERCOL Y LODO DE ALCANTARILLADO EN ALGUNAS PROPIEDADES QUIMICAS DEL SUELO = EFFET DU FUMIER ET DES BOUES D'EGOUTS SUR QUELQUES PROPRIETES CHIMIQUES DU SOLPOMARES GARCIA F; PRATT PF.1979; AN. INST. NAC. INVEST. AGRAR., SER. GEN.; ESP; DA. 1979; NO 6; PP. 97-111; ABS. ENG; BIBL. 19 REF.Article

EFFECTS OF TIME AND LEACHING ON PHOSPHATE-INDUCED INCREASE IN CATION EXCHANGE CAPACITY IN VOLCANIC ASH SOILSSCHALSCHA EB; AHUMADA I; PRATT PF et al.1981; SOIL SCI. SOC. AM. J.; USA; DA. 1981; VOL. 45; NO 6; PP. 1237-1238; BIBL. 7 REF.Article

COMPARAISON OF TWO SIMPLE METHODS OF CHLORINE ANALYSIS IN PLANT MATERIALS = COMPARAISON DE DEUX METHODES SIMPLES DE DOSAGE DU CHLORE DANS LE MATERIEL VEGETALADRIANO DC; PRATT PF; HOLTZCLAW KM et al.1973; AGRON. J; U.S.A.; DA. 1973; VOL. 65; NO 1; PP. 133-134; BIBL. 3 REF.Serial Issue

POTASSIUM-CALCIUM EXCHANGE EQUILIBRIA IN VOLCANIC-ASH SOILS.SCHALSCHA EB; PRATT PF; DE ANDRADE L et al.1975; SOIL SCI. SOC. AMER., PROC.; U.S.A.; DA. 1975; VOL. 39; NO 6; PP. 1069-1072; BIBL. 12 REF.; 7 ILL.Article

EFFECT OF PHOSPHATE ADSORPTION ON THE CATION-EXCHANGE CAPACITY OF VOLCANIC ASH SOILS = INFLUENCE DE L'ADSORPTION DES PHOSPHATES SUR LA CAPACITE D'ECHANGE DES CATIONS DES SOLS DE CENDRE VOLCANIQUESCHALSCHA EB; PRATT PF; SOTO D et al.1974; SOIL SCI. SOC. AMER., PROC.; U.S.A.; DA. 1974; VOL. 38; NO 3; PP. 539-540; BIBL. 2 REF.Article

NITRATE IN UNSATURATED ZONE OF AN ALLUVIAL SOIL IN RELATION TO FERTILIZER NITROGEN RATE AND IRRIGATION LEVEL = LES NITRATES DE L'HORIZON INSATURE D'UN SOL ALLUVIAL EN RELATION AVEC LA DOSE D'ENGRAIS AZOTE ET LE NIVEAU D'IRRIGATIONADRIANO DC; PRATT PF; TAKATORI FH et al.1972; J. ENVIRONMENT. QUAL.; U.S.A.; DA. 1972; VOL. 1; NO 4; PP. 418-422; BIBL. 10 REF.Serial Issue

MANURE MANAGEMENT IN A IRRIGATED BASIN RELATIVE TO SALT LEACHATE TO GROUND WATER.PRATT PF; DAVIS S; LAAG AE et al.1977; J. ENVIRONMENT. QUAL.; U.S.A.; DA. 1977; VOL. 6; NO 4; PP. 397-402; BIBL. 10 REF.Article

A FOUR-YEAR FIELD TRIAL WITH ANIMAL MANURES. I. NITROGEN BALANCES AND YIELDS. II. MINERALIZATION OF NITROGEN.PRATT PF; DAVIS S; SHARPLESS RG et al.1976; HILGARDIA; U.S.A.; DA. 1976; VOL. 44; NO 5; PP. 99-125; BIBL. 2 P.Article

EFFECT OF ANION EXCLUSION ON THE MOVEMENT OF CHLORIDE THROUGH SOILS.APPELT H; HOLTZCLAW K; PRATT PF et al.1975; SOIL SCI. SOC. AMER., PROC.; USA; 1975, VOL. 39, NUM. 0002, P. 264 A 267Serial Issue

BULK DENSITY SAMPLER FOR DEEP SOIL PROFILES.HOLTZLLAW KM; RIBLE JM; PRATT PF et al.1975; SOIL SCI. SOC. AMER., PROC.; U.S.A.; DA. 1975; VOL. 39; NO 6; PP. 1220-1223; BIBL. 3 REF.; 6 ILL.Article

AVAILABILITY AND EXTRACTABILITY OF PHOSPHORUS FROM SOILS HAVING HIGH RESIDUAL PHOSPHORUSADEPOJU AY; PRATT PF; MATTIGOD SV et al.1982; SOIL SCI. SOC. AM. J.; USA; DA. 1982; VOL. 46; NO 3; PP. 583-588; BIBL. 9 REF.Article

NITROGEN LOSSES IN RELATION TO SOIL PROFILE CHARACTERISTICSPRATT PF; LUND LJ; WARNEKE JE et al.1980; AGROCHEMICALS IN SOILS, MEETING OF ISSS. PAPERS/1976/JERUSALEM; ISR; JERUSALEM: ISRAEL ECONOMIST; DA. 1980; PP. 33-45; BIBL. 14 REF.; ISBN 0-0802-5914-6Conference Paper