Fertilizers may not help poorest African farmers

(PhysOrg.com) -- Researchers have linked poverty in sub-Saharan Africa with poor soil health, but two new Cornell studies find that the recommended practice of applying more fertilizer may not help the poorest farmers.

Better nitrogen management yields more than it costs

Better management on agricultural lands to reduce nitrogen losses to the environment costs only a fraction of what it provides. This could yield nearly $500 billion in societal benefits globally for both food supply and human ...

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