He calculates that this could save US $ 30,700,000 in wheat import costs, not only reducing cash outflow, but increasing self-sufficiency in food resources.
但在大量推廣之前，有必要進一步研究改進甘薯粉的製造和儲存，例如提高新鮮甘薯製作成粉的收取率，與色澤、營養素的保存等，期能降低成本，提高品質。各種食法均極美味