Tag: S. Cook

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January 14, 2026

Agricultural Development in Maize and Rice: Yield-Area Dynamics, Agronomic Strategies, and 4R Nutrient Management Opportunities

Maize and rice exhibit distinct trajectories. World Maize shifted from intensification to extensification, reflecting a move from technology-driven gains to land-based growth. World Rice has maintained intensification, likely due to land constraints in key regions. These differences highlight how crop biology, growing conditions, and socio-economic factors shape agricultural strategies.
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January 21, 2025

Robusta Coffee Value Intensification: The Case for Good Agronomy

Optimizing value per harvested area should be a common goal but a host of factors can prevent it. At the farm-level, coffee farmers are limited by their available resources, knowledge at hand, and suitability/predictability of their growing environment.
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January 26, 2024

The Role of 4R Plant Nutrition in Living Agricultural Landscapes: Developing the Nitrogen Water Carbon Nexus 

Food systems around the world must sustainably increase their performance to meet the growing demand for the foods and ecosystem services they provide. This issue is global in nature but is particularly sensitive in Africa because food systems there, which have hardly improved over the previous 50 years, are being looked upon to meet surging regional, continental, and global needs.
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December 15, 2022

Post-Harvest Assessments of On-Farm Maize Experimentation Provide Key Checkpoints for Farmers and Stakeholders

The completion of the most recent maize-growing seasons in northern Côte d’Ivoire and Kenya (western and eastern regions) provided a first opportunity for farmers to share assessments from participating within a new on-farm research initiative for sub-Saharan Africa called NUTCAT - meaning Nutrient Catalyzed Agricultural Transformation.
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May 9, 2022

Towards a Farmer-Centric Framework for Scaling Productive and Sustainable Cereal Cropping Systems

A case is made for an innovation system framework that integrates farmer-centric and systemic approaches to scaling plant nutrition innovations for positive transformation of cereal cropping systems in Sub-Saharan Africa. A case study from Ethiopia helps to build the case.
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