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Articles by C.P. Anyanwu
Total Records ( 2 ) for C.P. Anyanwu
  E.U. Onweremadu , C.C. Asiabaka , C.P. Anyanwu , G.A. Anyanwu , E.B. Etuk and B.O. Esonu
  This study evaluated animal manure production, management techniques, utilization and effect on soil productivity in Amuzu Mbaise, Southeastern Nigeria. The study, which was conducted in 2006 used structured interview schedule at a phase of the study. In another phase, we studied the effects of animal manures from muturu (Local cattle), goats, sheep and pigs on a degraded Isohyperthermic Kandiudult using maize (Zea mays L.) as a test crop. The potted experiment was set up in a greenhouse using a Completely Randomized Design (CRD), with each treatment replicated 9 times. Five treatments used included manures from Muturu, goats, sheep, pigs and control. Relevant measures of central tendency and dispersion were used in the statistical analysis of socio-economic and agronomic data. Results showed that a greater number of households engaged in goats and sheep, thereby making their manures relatively more abundant than other livestock. Majority of the livestock fend for of themselves in rangelands with pigs being more confined. Animal manures were collected and used although they were inadequate and bulky while there was poor knowledge of urine as biofertilizer quality of manures differed with handing technique and manure improved maize (Zea mays L.) performance significantly (p = 0. 05). Soil chemical fertility was significantly (p = 0.05) improved. Integrated studies especially is if affects indigenous knowledge will be helpful.
  E.U. Onweremadu , E.T. Eshett , U.E. Ogundu , C.P. Anyanwu and J.C. Obiefuna
  The study investigated influence of some soil properties on sorption and bioaccessibility of cationic chromium [Cr (III)] of rangeland soils proximal to military settlement at Obinze, Southeastern Nigeria in 2006. Field sampling was guided by a transect drawn from an open dump site away towards River Otamiri, Owerri, Southeastern Nigeria. Three land units, namely A, B and C from which soil samples were collected and analyzed using routine and special techniques. Soil and plant data were subjected to analysis of variance (ANOVA) of the Mix-model of SAS computer software and multiple regression analysis for purpose of modelling. Results showed that Cr sorption and biaccessibility varied among land units with the entire site having high potentials of bioavailability and biotoxicity. It was also found that clay-content, cation exchange capacity, soil pH and total inorganic carbon are good predictors of Cr (III) bioaccessibility in studied soil.
 
 
 
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