统计资料表明,截至1993年年底,我县小四轮拖拉机的保有量为1111台。但是,与它们配套的农具很少,而且品种单调,适应性不强,影响了小四轮拖拉机的作业能力。要想提高小四轮拖拉机的作业能力,应从两个方面着手:其一,提高牵引功率;其二,开发适用农具。 1.提高牵引功率小四轮拖拉机在某些田间作业中,能发挥出来的牵引功率很小,主要原因是打滑。特别是在刚耕翻过的 Statistics show that, as of the end of 1993, my county small four-wheel tractor ownership of 1111 units. However, with their supporting tools are few, and the variety of monotonous, adaptability is not strong, affecting the small four-wheel tractor working ability. To improve the working ability of a small four-wheel tractor, should start from two aspects: First, improve the traction power; Second, the development of suitable agricultural tools. 1. Improve the traction power Small four-wheel tractor in some field operations, can play a small traction power, mainly due to slipping. Especially in the plowing over