Author

Charles Onyeka Nwamekwe

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Open access Aug 2026

Uncertainty Quantification in Soil Fertility Prediction

This study addresses the need for soil fertility prediction methods that combine high accuracy with calibrated uncertainty to support risk-aware management in heterogeneous agroecosystems. Using soil chemistry data from UNIZIK Awka, including pH, organic carbon, available phosphorus, exchangeable bases, and acidity ind...

Charles Onyeka Nwamekwe, Charles Chikwendu Okpala · Research in Agricultural Sci... · 0 citations

Open access Sep 2026

Feedback-enabled digital twin and explainable artificial intelligence framework for predictive resilience and adaptive decision-making in disrupted supply chains

Supply-chain disruptions are increasingly difficult to manage with conventional monitor–respond–recover approaches because they provide limited early-warning, explanation, uncertainty assessment and adaptive recovery support. This study developed a feedback-enabled digital twin and explainable artificial intelligence f...

Charles Onyeka Nwamekwe, N. Igbokwe, I. Unigwe · Frontiers in Sustainability · 0 citations