Disadvantages:
- low educational level and uneven, highly conservative should the new advances in production is often very difficult including new varieties.
- The practice of self-sufficiency, self leave seed production subconsciously ingrained farmers, it is a good tree selection, good son, good cotton, ... to do the same in the next season.
- the new seed varieties by tubers, so the left-cost SX research, agricultural seeds to poor families to buy food producing it costs, if the seeds themselves do not take the cost of purchasing the same.
đang được dịch, vui lòng đợi..
