To accurately determine how much farmland Chad has per tractor in hectares, you would typically refer to agricultural statistics from reputable sources, such as the Food and Agriculture Organization (FAO) or government agricultural departments.
However, based on general knowledge, Chad is known to have a relatively low number of tractors compared to the amount of farmland. This typically results in a lower number of hectares per tractor.
Therefore, the most likely answer from the options you've provided would be:
Below 50
But you may want to check the most current data to confirm this.