@incollection{,
	
					
					
					B0D61FE152BF1EBE737A2DE9E9AE46B7
				,
	author={{MosesAbua} and {University of Calabar Calabar a Nigeria.}},
	journal={{Global Journal of Human Social Sciences}},
	journal={{GJHSS}}2249-460X0975-587X10.34257/GJHSS,
	address={Cambridge, United States},
	publisher={Global Journals Organisation}12135564
}

@book{b0,
	
	
		,
	title={{Soul Science Society of Nigeria}}
		
			
		
	

}

@book{b1,
	
	
		,
	title={{}}
		,
	author={{
			November
		}}
		
			,
	address={Calabar, Nigeria}
		
	

}

@incollection{b2,
	
	
		,
	title={{Soil Survey Irrigation/Drainage and Flood Control Project}}
		,
	author={{
			AKAkpan-Idiok
		} and {
			NR BAntigha
		}}
		
	
	
		,
	journal={{Nsecal Engineering Services}}
		
			,
	year={2006}
		
	

}

@book{b3,
	
	
		,
	author={{
			TKArkcerson
		} and {
			DLRourke
		} and {
			AJVessel
		}}
		
		
		,
	title={{Soil of the World (map) U.S.A., Government Printing Offices}}
				Washington D.C
		
			,
	year={1998}
		
	

}

@book{b4,
	
	
		,
	author={{
			IEEsu
		}}
		,
	title={{Fundamental of Pedology. Stirling-Horden Publishers (Nig.) Ltd}}
				Lagos, Ibadan, Benin City, Jattu Uzairue
		
			,
	year={1999}
			136
		
	

}

@incollection{b5,
	
	
	
	
		,
	booktitle={{Production Yearbook: FAOSTAT Database}}
				
			,
	year={2003}
		
	
	,
	note={FAO}

}

@book{b6,
	
	
		,
	title={{Food and Agricultural Organisation (FAO/UNESCO) (1998): Soil Map of the World Legend}}
		
			,
	address={Paris FAO/UNESCO}
		
	

}

@incollection{b7,
	
	
		,
	title={{On the suitability assessment of the forest and savanna ecological zones of south-western Nigeria for maize production}}
		,
	author={{
			ASGbadegesin
		} and {
			UNwagwu
		}}
		
	
	
		,
	journal={{Nigeria. Journal of Tropical Agriculture}}
		
			31
			3
			
			,
	year={1990. 1986}
			,
	publisher={Elsevier Science Publishers B.V}
		
	
	,
	note={Agric Ecosystems Environ.}

}

@incollection{b8,
	
	
		,
	title={{Limitations to the Usefulness of Soil Classification}}
		,
	author={{
			FRGibbons
		}}
	
	
		,
	journal={{Trans-International Congress son Soil Science}}
		
			4
			
			,
	year={1965}
		
	

}

@incollection{b9,
	
	
		,
	title={{Selected methods for soils and plants analysis. International Institute of Tropical Agriculture (IITA), Manual Series No. 1 in Method of Making Mechanical Analysis of Soils}}
		,
	author={{
			AS RJuo
		}}
	
	
		,
	journal={{Soil Science Society of Nigeria}}
		
			68
			
			,
	year={1979}
		
	

}

@incollection{b10,
	
	
		,
	title={{Phosphorus Forms and Fixation Capacity of Representative Soils in Akwa Ibom State of Nigeria}}
		,
	author={{
			BTKang
		} and {
			OAOsiname
		} and {
			EJNdo
		} and {
			TOIbia
		}}
		
		
		
	
	
		,
	journal={{Geodarma}}
		
			58
			
			,
	year={1972. 1993}
		
	
	,
	note={Proceedings of the Ford/IITA/RAT International Seminar on Tropical Soil Research}

}

@incollection{b11,
	
	
		,
	title={{Keys of Soil Management Support Services 5th Monograph}}
	
	
		,
	journal={{Soil Survey Staff}}
		
			19
			,
	year={1992}
		
	

}

@incollection{b12,
	
	
		,
	title={{USDA Soil Conservation Services}}
	
	
		,
	journal={{Soil Survey Staff}}
		
			,
	year={1998}
		
	
	,
	note={Key to Soil Taxonomy. 8th edition}

}

@incollection{b13,
	
	
	
	
		,
	booktitle={{Keys to Soil Taxonomy}}
				Washington DC
		
			,
	year={2006}
		
	
	,
	note={Soil Survey Staff}

}

@book{b14,
	
	
		,
	title={{An Examination of the Digestive Method for Determining Soil Organic Matter and Proposed Modification of the Chronic Acid Tillage Method}}
		,
	author={{
			AWalkey
		} and {
			IABlack
		}}
		
		
			,
	year={1934}
			
		
	

}