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Results 1 to 25 of 7104

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SOME HIGHLY WEATHERED SOILS OF PUERTO RICO. II: MINERALOGYJONES RC; HUDNALL WH; SAKAI WS et al.1982; GEODERMA; ISSN 0016-7061; NLD; DA. 1982; VOL. 27; NO 1-2; PP. 75-137; BIBL. 16 REF.Article

SOME HIGHLY WEATHERED SOILS OF PUERTO RICO. III: CHEMICAL PROPERTIESFOX RL.1982; GEODERMA; ISSN 0016-7061; NLD; DA. 1982; VOL. 27; NO 1-2; PP. 139-176; BIBL. 3 P.Article

A RAINFOREST CHRONICLE: A 30-YEAR RECORD OF CHANGE IN STRUCTURE AND COMPOSITION AT EL VERDE, PUERTO RICOCROW TR.1980; BIOTROPICA; USA; DA. 1980; VOL. 12; NO 1; PP. 42-55; BIBL. 33 REF.Article

METHODS FOR PIGEON PEA SEED STORAGE IN PUERTO RICOELLIS MA; RAVALO EJ; SMITH RS et al.1979; J. AGRIC. UNIV. P.R.; ISSN 0041-994X; PRI; DA. 1979; VOL. 63; NO 4; PP. 423-427; ABS. SPA; BIBL. 6 REF.Article

PERFORMANCE OF PEANUT VARIETIES IN AN OXISOL IN NORTHWESTERN PUERTO RICOORTIZ LB.1979; J. AGRIC. UNIV. P.R.; ISSN 0041-994X; PRI; DA. 1979; VOL. 63; NO 4; PP. 474-475Article

EARLY SECONDARY SUCCESSION IN AN ELFIN WOODLAND IN THE LUQUILLO MOUNTAINS OF PUERTO RICO.BYER MD; WEAVER PL.1977; BIOTROPICA; U.S.A.; DA. 1977; VOL. 9; NO 1; PP. 35-47; BIBL. 1 P. 1/2Article

THE ECOLOGY OF AN ELFIN FOREST IN PUERTO RICO, 17. EPIPHYTIC MOSSY VEGETATION OF PICO DEL OESTE.RUSSELL KW; MILLER HA.1977; J. ARNOLD ARBORETUM; U.S.A.; DA. 1977; VOL. 58; NO 1; PP. 1-24; BIBL. 1 P. 1/2Article

THERMAL BIOLOGY OF ANOLIS LIZARDS IN A COMPLEX FAUNA: THE CRISTATELLUS GROUP ON PUERTO RICO.HUEY RB; WEBSTER TP.1976; ECOLOGY; U.S.A.; DA. 1976; VOL. 57; NO 5; PP. 985-994; BIBL. 40 REF.Article

EFFECT OF DELAYED HARVEST AND FUNGICIDE SPRAYS ON PIGEON PEA SEED QUALITY IN PUERTO RICOELLIS MA; MINOR HC; ABRAMS R et al.1979; J. AGRIC. UNIV. P.R.; ISSN 0041-994X; PRI; DA. 1979; VOL. 63; NO 4; PP. 428-435; ABS. SPA; BIBL. 7 REF.Article

ISOLATION OF HISTOPLASMA CAPSULATUM FROM SOIL IN THE AGUAS BUENOS CAVES, AGUAS BUENOS, PUERTO RICO. I. AN ECOLOGICAL APPROACH.CARVAJAL ZAMORA JR.1977; MYCOPATHOLOGIA; PAYS-BAS; DA. 1977; VOL. 60; NO 3; PP. 157-161; BIBL. 8 REF.Article

SOME DIGENETIC TREMATODES FROM THE ATLANTIC HAWKSBILL TURTLE, ERETMOCHELYS IMBRICATA IMBRICATA (L.), FROM PUERTO RICO.FISCHTHAL JH; ACHOLONU AD.1976; PROC. HELMINTHOL. SOC. WASHINGTON; U.S.A.; DA. 1976; VOL. 43; NO 2; PP. 174-185; BIBL. 9 REF.Article

THE THEORY OF CHANGE AND RESPONSE: AN APPLICATION TO PUERTO RICO, 1940 TO 1970MOSHER WD.1980; POPUL. STUD.; GBR; DA. 1980; VOL. 34; NO 1; PP. 45-58; BIBL. 34 REF.Article

THE ENERGY DILEMMA OF PUERTO RICO.BONNET JA JR; PEREZ FL.1977; IN: ANNU. CONF. ENERGY. 3. PROC.; ROLLA, MO.; 1976; NORTH HOLLYWOOD, CALIF.; WESTERN PERIODICALS; DA. 1977; PP. 218-227; BIBL. 8 REF.Conference Paper

SOME HIGHLY WEATHERED SOILS OF PUERTO RICO. I: MORPHOLOGY, FORMATION AND CLASSIFICATIONBEINROTH FH.1982; GEODERMA; ISSN 0016-7061; NLD; DA. 1982; VOL. 27; NO 1-2; PP. 1-73; BIBL. 3 P.Article

TEN NEW INSECTS RECORDS FROM PUERTO RICO (COLEOPTERA)MICHELI JA.1978; J. AGRIC. UNIV. PUERTO RICO; PRI; DA. 1978; VOL. 26; NO 3; PP. 301-303; BIBL. DISSEM.Article

NOTES ON THE ANTS OF LUQUILLO FOREST, PUERTO RICO (HYMENOPTERA: FORMICIDAE).LAVIGNE RJ.1977; PROC. ENTOMOL. SOC. WASHINGTON; U.S.A.; DA. 1977; VOL. 79; NO 2; PP. 216-237; BIBL. 10 REF.Article

REPRODUCTIVE INTERACTIONS OF THE SHINY COWBIRD AND THE YELLOW-SHOULDERED BLACKBIRD.POST W; WILEY JW.1977; CONDOR; U.S.A.; DA. 1977; VOL. 79; NO 2; PP. 176-184; BIBL. 24 REF.Article

DEVELOPMENT OF THE PUERTO RICO TECHNICAL INFORMATION CENTER.ORTIZ CINTRON FL.sdIN: INF. TECHNOL. CONF. PROC.; SAN JUAN, P.R.; 1968; S.L.; COMMONW. PUERTO RICO EC. DEV. ADM.; DA. S.D.; PP. 69-75; BIBL. 8 REF.Conference Paper

AUTOGAMOUS ALLOHOMOPLOIDY IN ALSOPHILA AND NEPHELEA (CYATHEACEAE): A NEW HYPOTHESIS FOR SPECIATION IN HOMOPLOID HOMOSPOROUS FERNSCONANT DS; COOPER DRIVER G.1980; AM. J. BOT.; ISSN 0002-9122; USA; DA. 1980; VOL. 67; NO 9; PP. 1269-1288; BIBL. 2 P.Article

THE DISTRIBUTION OF ALGAL EPIPHYTES ON MACROPHYTE HOSTS OFFSHORE FROM LA PARGUERA, PUERTO RICOBALLANTINE DL.1979; BOT. MAR.; DEU; DA. 1979; VOL. 22; NO 2; PP. 107-110; BIBL. 19 REF.Article

PUERTO RICAN SPIRITISM. I. DESCRIPTION AND ANALYSIS OF AN ALTERNATIVE PSYCHOTHERAPEUTIC APPROACH.HARWOOD A.1977; CULT. MED. PSYCHIATRY; NETHERL.; DA. 1977; VOL. 1; NO 1; PP. 69-95Article

DEFINITE RECORDS OF MARPESIA-CHIRON (FABRICIUS) AND A NEW RECORD OF EUPTOIETA CLAUDIA CRAMER (LEPIDOPTERA: NYMPHALIDAE) FROM PUERTO RICO.RAMOS SJ.1976; J. AGRIC. UNIV. PUERTO RICO; PUERTO RICO; DA. 1976; VOL. 60; NO 3; PP. 439-441Article

METHODS FOR PIGEON PEA SEED STORAGE IN PUERTO RICOELLIS MA; RAVALO EJ; SMITH RS et al.1979; J. AGRIC. UNIV. PUERTO RICO; PRI; DA. 1979; VOL. 63; NO 4; PP. 423-427; ABS. SPA; BIBL. 6 REF.Article

ISOLATION OF HISTOPLASMA CAPSULATUM FORM THE AIR IN THE AGUAS BUENAS CAVES, AGUAS BUENAS, PUERTO RICO.CARVAJAL ZAMORA JR.1977; MYCOPATHOLOGIA; PAYS-BAS; DA. 1977; VOL. 60; NO 3; PP. 163-165; BIBL. 10 REF.Article

EFFECT OF FERTILIZATION, PLANT SPACING, AND REASON ON YIELD AND QUALITY OF HEAD CABBAGE AT ISABELA, PUERTO RICOJORDAN MOLERO SE; CRUZ PEREZ LM.1978; J. AGRIC. UNIV. PUERTO RICO; PRI; DA. 1978; VOL. 62; NO 4; PP. 367-379; ABS. SPA; BIBL. 12 REF.Article

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