Ọka , ọka ma ọ bụ iyak mepụtara site na osikapa paddy ( marketable ibu ) jiri kpọrọ ihe dabere na ahịa usoro , ma n'ahịa bụ ike amata na gburugburu ebe obibi uru ọrụ , na ọdịdị nke ọrụ ma ọ bụ ngwongwo ikemeke ahịa ( na-abụghị marketable ibu ).
