农民需要商品知识张改业农民既是生产者，又是消费者，在整个社会实践中离不开商品购销活动。所以，农民应以商品知识为理论，指导生产、销售和消费，才能把握好商品及产品的质量关，真正做到择优选购，分等级销售，以免在购、销过程中遭受损失和危害。一、生产需要商品知... Farmers need commodity knowledge Zhang reform industry farmers are both producers and consumers, in the whole social practice can not be separated from the purchase and sale of goods. Therefore, peasants should take product knowledge as the theory to guide production, sales and consumption so as to grasp the quality of products and products, so that they can really choose and buy at the level of sales so as to avoid losses and harms during the purchase and sale. First, the production needs commodity know ...