Rapeseed's 50 % oil yield is the highest of the three oil-rich crops selected by the government. Sunflower seeds, which yield 30-40 %, are next, followed by soybeans, which yield about 20 %. The pilot program tested all three crops in its first year.
政府選定的 3 種高油份含量作物中，以油菜（榨油用品種）的產油率 50 % 最高；其次是向日葵，約在 30 % 到 40 %；最低的是大豆為 20 %。