Technical trainer Lin Yan-jen, who has been in Peten for the last four years, says that most farmers do not use high quality seeds for their planting, instead planting whatever seeds they have left over from the previous year's crop without applying any kind of selection.
在北碇前後四年多的技師林彥仁表示，一般農民都未使用品質純正的種子，因自行留種，未經選拔，種子於是不斷退化。