5.1 Phosphorus and food security Learning objectives: Phosphorus as a resource, and its links to sanitation and to food security Should we worry about P? Are there substitutes…
5.1 Phosphorus - Food security & food for thought Learning objectives: Phosphorus as a resource, and its links to sanitation and to food security Should we worry about…
Ch. 5. Applications â sanitation in practice Campaign in India to request bridegrooms to provide a toilet Spreading chemical fertilizers in a field Pupils prepare a meal…
5.1 Phosphorus and food security Learning objectives: Phosphorus as a resource, and its links to sanitation and to food security Should we worry about P? Are there substitutes…