收获机械基本上按作物分类,品种很多。目前数量最多、使用最广泛的是谷物收获机械,其次为饲料收获机械。象薯类、棉花、甜菜、甘蔗、花生、麻、茶、果等收获机械一般多系专用,通用性很小,且只在某些种植较多的国家和地区有所使用,数量也不多,其中有些作物的收获机械性能尚不完善,仅处于试验推广阶段。玉米在国外多作饲料(青饲玉米和玉米籽粒),其收获 Harvesting machinery basically classified by crop, a lot of variety. Currently the largest number, the most widely used is the grain harvesting machinery, followed by feed harvesting machinery. Harvest machinery like potato, cotton, sugar beet, sugar cane, peanut, hemp, tea, fruit and so on are generally multi-departmental and have little versatility and are only used in some countries with more cultivation, , Some of which harvested mechanical properties are not perfect, only in the experimental stage of promotion. Corn in the country for more feed (green feather corn and corn), its harvest