Effects of Coconut Oil Effluent (ICE) Irrigation Practice on Some Soil Chemical Properties and Nutrients Composition of Talinum fruticosum L.

Kingsley C. Ubochi, Nkechinyere O. Nweze, Eugene O. Ojua


The recognition of the positive health impacts of coconut oils is growing stronger and the demand on a steady increase. This will no doubt increase the production and discharge of industrial coconut oil effluent (ICE) into the environment.  The present study aimed at investigating the effect of ICE irrigation on some soil chemical properties and nutrients composition of Talinum fruticosum L. The study was conducted in the Botanic Garden of the University of Nigeria, where plants were subjected to irrigation with 0%, 20%, 40%, 60%, 80% and 100% concentrations of ICE in a completely randomized experimental design (CRD). The soil and plant analyses for nitrogen, phosphorus and exchangeable cations (K, Ca and Mg) were conducted following standard methods.  Soil chemical properties significantly (P < 0.05) increased with the ICE concentration, and the nutrients content of the plant drastically reduced as the concentration treatments increased. The industrial coconut oil effluent (ICE) contains nutrients that are necessary for the growth of T. fruticosum that can also be applicable to other plants. However, the positive effects of these nutrients were not reflected on T. fruticosum as indicated by the evaluation of nutrients contentin the plants. There is strong evidence that if ICE is properly treated and managed, it would improve the soil fertility and eventually promote healthy growth of vegetables.


Coconut Oil; Nutrient Accumulation; Soil Management; Soil Pollution; Vegetable Crop


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