Not yet applied the scientific technical progress in production, yet find the varieties produced with suitable characteristics with local natural conditions. Lack of staff has expertise in manufacturing as well as in the prevention of natural disasters. Not yet built the schedule suitable pumps serve for agricultural production.People still lack knowledge and have not yet applied are scientific advances into production, is also expected to support the plants, has not properly applied the calendar cultivation, also subjectively in the harvest.
đang được dịch, vui lòng đợi..
