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Nigerian Journal of Technology

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Predicting Suitable Field Workdays for Soil Tillage in North Central Nigeria

IE Ahaneku, AP Onwualu

Abstract


A simulation model was developed to predict suitable field workdays for tillage operations in North Central Nigeria. Predictions were made from a computer model which simulates daily soil moisture in the top 30 cm of soil depth using 6 years of daily meteorological records. The model was tested and validated by comparing its output with the observed workdays during the 1996 farming season on two soil types. Results show that there was good agreement between the observed and predicted values using established tractability criteria.




AJOL African Journals Online