Heteronychus control in rainfed rice in Zanzibar

africa oriental afrique australe afrique orientale agentes nocivos application methods australia australie ciclo vital control de plagas cultivation cultivo cultivo de temporal culture pluviale east africa escarda facteur nuisible heteronychus injurious factors life cycle lluvia lutte antiravageur new zealand nueva zelandia oryza pepiniere pest control pest control methods pesticide pesticides pests of plants plagas de plantas plaguicidas plant nurseries plant protection pluie pratique culturale process control protection des plantes rain rainfed farming ravageur des plantes saccharum soil sol southern africa suelo tanzania tanzanie viveros weed control zea mays