THE SOIL 19 



When our country was first discovered and trees were 

 growing everywhere, we had virgin soils, or. new soils that 

 were rich and productive because they were filled with 

 vegetable matter and plant food. There are not many 

 virgin soils now because the trees have been cut off the 

 best lands, and these lands have been farmed so long 



FIG. ii. CLOVER is A SOIL IMPROVER 



without much attention that the vegetable matter and 

 available plant food have been largely used up. Now that 

 fresh land is scarce, it is very necessary to restore fertility 

 to these exhausted lands. What are some of the ways 

 in which this can be done? 



There are several things to be done in trying to reclaim 

 worn-out land. One of the first of these is to till the land 



