Asian rice bowls: the returning crisis?

abonos agricultural development arroz commercialisation cost benefit analysis demand demanda demande diversification domestic markets engrais environmental degradation environmental impact erosion farm income fertilizers gatt green revolution impact sur l'environnement impacto ambiental labour market land management land use marketing mercadeo mercado del trabajo mercado interior oferta offre pesticide pesticides plaguicidas pollution production profitability rentabilidad revenu de l'exploitation rice riz supply utilisation des terres