Almost the whole consists of a few simple processes, such as planting, hoeing, picking cotton, &c., and this is to be performed on smooth, even land, where set tasks can be easily assigned.

But the work on a grass farm is endlessly varied.

It would not be possible to divide it into set tasks.

And then it is of such a nature, that it could not possibly be performed successfully by the mere labor of the hands.

The _mind_ must be employed upon it.