60 



VERTICAL FARMING 



Yet with all this to select from he can do but little better than 

 the Romans did prepare the seed beds and scratch the surface, 

 while at greater depth the roots still have to scratch for them- 

 selves, as they did centuries ago. It is too much on the prin- 

 ciple of the man who only greased the front wheels of his 

 wagon, saying that if they went the hind ones would " just 

 naturally have to follow." 



Progress Demanded. With lands becoming scarce and 

 prices higher, there is a demand for methods that are more 

 efficient, that will cultivate the ground to greater depths, that 

 will meet the demands of the feeding roots, that will double the 

 feeding zone, that will furnish deep moisture reservoirs, that 

 will extend bacterial activity downward, that will double and 

 treble the farmer's acreage of productive soil by depth, and not 

 by area. So far as these demands are concerned, farm machin- 

 ery is so far a failure and but little advance has been made on 

 the primitive plow, the sharp stick with a V-branch. It is not 



MARVELOUS IMPROVEMENTS HAVE BEEN MADE IN SURFACE 

 CULTIVATION 



