我国南方水田居多,田块一般在两亩左右,小的不到一亩,尤其占耕地面积较大的丘陵、山地更是如此。水田中,土质复杂、泥脚深浅不一,差异很大,有些地区多为深泥脚田、湖田和沤田。这样的地理自然条件,向拖拉机设计提出了新的重要的课题。实践证明,必须有多种不同形态的水田 Most of the paddy fields in the south of China are usually about two acres, and the smaller ones are less than one acre. This is especially true for the hills and mountains where the area of ​​cultivated land is larger. In the paddy field, the soil is complex and the depth of the mud varies. In some areas, there are mostly deep mud foot fields, Hutian and Putian. This kind of geographical and natural conditions has brought new important issues to the tractor design. Practice has proved that there must be many different forms of paddy field