Farmers in Rawalpindi District of Pakistan tractor cultivate or animal plough their fields on average8 times from the beginning of the monsoon until wheat planting.
巴基斯坦拉瓦尔品第地区的农民从季风季节开始到种麦，平均用拖拉机或畜力犁耕翻8次土壤。
2
The fuel consumption standards in plough and revise coefficients of working conditions of a tractor, field length, field slope and field surface condition were worked out.