Such seed should be kept in shell until shortly before planting. After three years of recycling, fresh seed should be obtained from known and registered seed sources
Mbewu ngati imeneyo isungidwe yosaswa mpaka nthawi yobzala itayandikira. Pakutha pa zaka zitatu zogwiritsa ntchito mbewu yomweyo, mbewu yatsopano ipezedwe kuchokera kwa ogulitsa odziwika komanso owomerezeka  