1.拖拉机下水田作业,要正确调整好轮距,采用人字防滑铁轮。犁耕时,轮距应调到最小值;旋耕时,轮距应调到最大值;其他作业,视作业特点和农艺要求调整轮距。 2.水田作业前,应观察作业田块,对新开沟、塘、坑处应插上标记,以防陷车;作业时,尽量避免倒车,不转小弯和死弯。 3.机组过水田田埂和水沟时,应将机具旋 1. Tractor under paddy field operations, to properly adjust the wheelbase, the use of characters slippery iron. Plowing, the wheelbase should be transferred to the minimum; rotary tillage, the wheelbase should be adjusted to the maximum; other operations, depending on the characteristics of the operation and agronomic requirements to adjust the wheelbase. 2. Paddy fields should be observed before the operation of the field, the new ditching, ponds, pit should be marked to prevent trapping; work, try to avoid reversing, not turning small bend and dead bend. 3. When the unit passes the paddy field ridge and ditch, the machine should be screwed