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    Start Over You searched for: Publication Year 1988 Remove constraint Publication Year: 1988 Subject Term fertilizer Remove constraint Subject Term: fertilizer Subject Term socio-economic aspects Remove constraint Subject Term: socio-economic aspects

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    1. A summary outline of key ideas on: potential constraints to expanded use of fertilizer by farmers in the developing countries

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    2. Restricciones para el uso de fertilizantes a nivel del agricultor por

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