The contamination also spread to other vegetables canola and chrysanthemum greens .
污染同样蔓延到其他种类的蔬菜油菜和花菜。
But despite frosts and cool weather , it 's too early to say if canola yields will suffer , he said .
他说,尽管如此,但是霜冻和凉爽的天气使油菜籽产量受损是言之尚早的。
One easy switch is to use canola or soybean oil for frying some foods .
一个简单的转换就是使用芥花籽油或大豆油来煎炸食物。
Earlier this month , a team of scientists at the university of north dakota 's energy and environmental research center ( eerc ) successfully tested a new biofuel based on a mixture of canola and soybean oils , and claim it may be the key to zero emission aviation .