"For instance, farmers are accustomed to using fertilizers," she says. "Because the amount of nitrogen in the fertilizer was high, it resulted in lower quality food." Chang says that farmers have got to adjust fertilization to soil conditions.
「例如農民使用肥料的習慣，以往肥料中的氮素偏高，造成米的食味品質降低，」她說，農民要根據土壤性質，適時適量施肥。