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book chapter
Economics of land degradation in Argentina
Most efforts to raise fertilizer use in SSA over the past decade have focused on fertilizer subsidies and targeted credit programmes with hopes that these programmes could later be withdrawn once the profitability of fertilizer use has been made c
journal article
Action levers for a sustainable farmland management in Niger
The costs of doing nothing about land degradation are several times higher than the costs of taking action to reverse it.
journal article
Economics of sustainable land management
discussion paper
The biophysical potential for urea deep placement technology in lowland rice production systems of Ghana and Senegal
The application of nitrogen (N) fertilizers is still insufficient across cropping systems in Africa south of the Sahara, while plant uptake of nitrogen is often inefficient and wasteful even when farmers apply fertilizers.
journal article