美国生物农场近年来,美国出现了一种新型农场——生物农场。这种生物农场有两大特点:一是采用生物动力学的耕作方法;二是由社区居民交钱入股兴办,农场定期分配产品。在生物农场的耕作中从不施用化肥,仅施用专用有机肥。这些有机肥是将畜禽粪便、人类粪便和绿肥、剩饭剩菜等混合在一起,加上催化剂 American Biological Farmers In recent years, a new type of farms, biological farms, has emerged in the United States. This biological farm has two major characteristics: First, the use of biodynamic farming methods; Second, by community residents to pay shares to set up, the farm regularly distribute products. Never use chemical fertilizers in the cultivation of biological farms, only use special organic fertilizer. These organic fertilizers are manure, manure and green manure, leftovers and other mixed together, together with the catalyst