Strategies for continued improvement of rice [yield] for irrigated and rainfed shallow favorable culture [disease and insect resistance and short growth duration]

agricultura de regadio agronomic characters arroz arroz de secano arroz irrigado augmentation de rendement aumento del rendimiento biological control breeding breeding aims cereales cereals cropping systems crops cultivos cultivos de grano disease resistance economic plants grain crops habit improvement irrigated farming irrigated rice lutte biologique mejoramiento del porte objetivo de mejoramiento pest control methods pest resistance plantas plante plante de culture plants resistance to injurious factors resistencia a la enfermedad resistencia a las plagas rice riz riz de montagne sistemas de cultivo upland rice