Assessment of Zinc and Copper Status of Fadama Soils In Borgu Local Government Area, Niger State

Abstract The status of Zinc (Zn) and Copper (Cu) of fadama soils under cultivation at Borgu Local Government Area, Niger State, Nigeria was studied. Soil samples were purposely collected from three extension blocks, namely; Wawa, Babana and Goffanti.  Particle size distribution of the soils showed sandy loam texture. The soils pH were either slightly acidic or neutral with a range between 6.05 and 6.93. The level of Organic Carbon (OC) ranged between low and medium, total nitrogen were rated high, available phosphorus were low while exchangeable cations (Na, K, Ca, Mg) were all rated high. Though soil content of Zn and Cu were very low, values were not significantly (P<0.05) different for all locations. The mean values for Zn ranged between 0.496 and 0.592 mg/kg, while Cu ranged between 0.550 and 0.945 mg/kg. This result implies that soil amendments in the form of organic manure and/or supplement of Zn and Cu would enhance nutrient availability for optimum yields of crops for the resource-poor farmers in the study area.

Keywords Zinc, Copper, Fadama, soil fertility, Borgu.

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