冬季,市场销售的多数来自大棚里的蔬菜,许多人认为,大棚蔬菜干净,洗起来省事。但食品卫生专家提醒消费者,越是大棚蔬菜,越要仔细清洗。专家认为,植物在大棚中生长环境相对密集,种植者使用农药的浓度会相应地高于大田;而冬季阳光少,温 In winter, most of the vegetables sold in the market are vegetables from the greenhouses. Many people think that the vegetables in the greenhouses are clean, they are washed and saved. However, food hygiene experts remind consumers that the more greenhouse vegetables, the more carefully cleaned. Experts believe that the growth of plants in the greenhouse relatively dense environment, the concentration of pesticides farmers will be higher than the field; and less sunshine in winter, warm