Fertilizer demand in China's reforming economy

abonos actividades complementarias (finca) agrarian reform agriculteur agricultores agricultural policies china chine coasts costa decision making demand demanda demande distribution economia economic behaviour economic geography economic impact economics economie encuestas engrais farmers farmers' attitudes fertilizers geografia economica hogares households microeconomic analysis microeconomics off-farm employment politique agricole reforma agraria rural areas simulation models surveys toma de decisiones zonas rurales zone rurale