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Volume 25

SOME PHYSICAL PROPERTIES OF SOILS OVERLYING LIMESTONE PARENT MATERIAL IN SOUTHEASTERN NIGERIA
Original Research
Pages : 1 - 7
Aki, E. E. 1 and Antigha, N.R.B.


YIELD DECLINE OF MAJOR CROPS INDUCED BY EROSION ON THE ULTISOLS OF OWERRI, SOUTHEASTERN NIGERIA: MAIZE RESPONSE TO NATURAL EROSION
Original Research
Pages : 8 - 19
Nnenna Nnannaya Oti


YIELD DECLINE TRENDS OF ERODED ULTISOLS IN OWERRI, SOUTHEASTERN NIGERIA: MAIZE RESPONSE TO ARTIFICIAL EROSION
Original Research
Pages : 20 - 30
Nnenna Nnannaya Oti


PHOSPHORUS STATUS IN SOME SOILS OF MID-WESTERN AGRO-ECOLOGICAL ZONE OF NIGERIA
Original Research
Pages : 31 - 37
Orhue, Ehi Robert and John Kingsley


HEAVY METAL STATUS IN SOILS AND AMARANTHUS CRUENTUS FROM FARMLAND ON THE BANK OF OROGODO RIVER, AGBOR, DELTA STATE, NIGERIA.
Original Research
Pages : 38 - 44
Orhue, Ehi Robert 1 , Edosa, Ifeyinwa Valerie 1 and Iyagbaye, Louis


FERTILITY BASELINE STUDY OF MAJOR COCOA GROWING SOILS OF NIGERIAAND IMPLICATION FOR COCOA PRODUCTION IN NIGERIA
Original Research
Pages : 45 - 57
Ajiboye G. A. , Jaiyeoba, J. O. , Olaiya, A. O. and Hammed L. A.


PROFILE DISTRIBUTION OF CRYSTALLINE AND AMORPHOUS SESQUIOXIDES IN TALC OVERBURDEN SOILS OF SOUTHERN GUINEA SAVANNA ECOLOGY IN NIGERIA
Original Research
Pages : 58 - 69
Ajiboye, G.A. , Ogunwale, J.A. and Aduloju, M.O.


CHANGES IN A TROPICAL ULTISOL UNDER DIFFERENT MANAGEMENT SYSTEMS IN SOUTHEASTERN NIGERIA: 1. SOIL PHYSICAL AND HYDROLOGICAL PROPERTIES
Original Research
Pages : 70 - 79
Omenihu A.A and Opara-Nadi O.A.


IMPACT OF COMPOSTED OIL PALM WASTES ON SOIL PHYSICAL PROPERTIES, ORGANIC MATTER CONTENT AND GROWTH OF OIL PALM SEEDLINGS UNDER DIFFERENT MOISTURE REGIMES
Original Research
Pages : 80 - 94
Ovie, S. , Anisiobi, G.E. , Okolo, C.C. , Udegbunam, O.N. , Okenmuo, F.C.


IMPACT OF OPEN CAST MINE LAND USE ON SOIL PHYSICAL PROPERTIES IN ENYIGBA, SOUTHEASTERN NIGERAAND THE IMPLICATION FOR SUSTAINABLE LAND USE MANAGEMENT
Original Research
Pages : 95 - 101
Okolo, C.C.1 , Akamigbo, F.O.R.1 , Ezeaku, P.I.1 , Nwite, J.N.2 , Nwite, J.C.3 , Ezeudo, V. C. , Ene, J. , Ukaegbu, E. P. , Udegbunam, O. N. and Eze, N. C.


SOIL BORON AND BIO-ACCUMULATION IN RAPHIA PALM
Original Research
Pages : 102 - 107
Aghimien A.E.


PHOSPHORUS SORPTION BY SOME HYDROMORPHIC SOILS OF SOUTHERN NIGERIA
Original Research
Pages : 108 - 115
Aghimien A.E. , Ilori E.G. and Ehigiator J.O.


EFFECTS OF VARIATION IN N:K RATIO IN SOILS ON THE GROWTH, NUTRIENT AVAILABILITY AND YIELD OF MAIZE (ZEA MAYS L. )
Original Research
Pages : 116 - 124
A. O. BAKARE* AND I. O. OSEMWOTA


SUITABILITY ASSESSMENT OF SOILS SUPPORTING OIL PALM PLANTATIONS IN THE COASTAL PLAINS SAND, IMO STATE, NIGERIA
Original Research
Pages : 125 - 134
Ukaegbu, E.P. , Osuaku, S.K. , and Okolo, C.C.


COMBINED APPLICATION OF UREAAND SAWDUST ASH IN OKRA PRODUCTION EFFECTS ON YIELD AND NUTRIENTS AVAILABILITY
Original Research
Pages : 148 - 157
Abdulraheem, Mukhtar Iderawumi and Ojeniyi, Stephen Olusola


CHARACTERIZATION, CLASSIFICATION AND LAND SUITABILITY EVALUATION OF SOILS DERIVED FROM DIVERSE PARENT MATERIALS IN CENTRAL CROSS RIVER STATE OF NIGERIA FOR ARABLE CROPPING
Original Research
Pages : 158 - 172
Nsor, M.E., and Akamigbo, F.O.R.


MORPHOLOGICAL, PHYSICOCHEMICALAND MINERALOGICAL PROPERTIES OF SOILS DEVELOPED FROM BASALT ATIKOM, CROSS RIVER STATE, NIGERIA
Original Research
Pages : 173 - 185
I. E. Esu, U. Uko* and E. E. Aki