International Maize and Wheat Improvement Center

Nitrogen use efficiency thresholds for rice in Bangladesh: Evidence from large-scale farmer-managed field data

Background Nitrogen (N) over-application in smallholder rice systems reduces fertiliser-use efficiency and may increase reactive N losses and greenhouse gas emissions. However, field-scale nitrogen-use efficiency benchmarks derived from farmer-managed systems in South Asia remain...

Stress-tolerant maize under drought: heterogeneous effects on productivity and food security in Zimbabwe

Abstract Stress-tolerant crop varieties are widely promoted to enhance the resilience of smallholder farming systems under increasing climate variability. By stabilizing production under adverse conditions, such varieties may contribute to improved food security. However, evidenc...