180 AGRICULTURE' 



other suitable forage plants. Land improves while being 

 used for pasture chiefly because much vegetable matter is 

 formed near the surface and because some of the wild 



clovers creep in and start 

 the fertilizer factories on 

 their roots. 



In the Southern states 

 much more land should 

 be used for pasturing live- 

 stock. This becomes 

 doubly necessary where 

 the boll-weevil is, because 

 cotton cannot there be 

 profitably grown on the 

 poorest land. This, how- 

 ever, would yield a fair 

 profit if used for pasture. 

 Bermuda grass. Some 

 FIG. 120. -PODS OF SOY BEANS farmers fear to introduce 

 this grass because it is difficult to destroy. There will seldom 

 be any desire to destroy it if pastures of it are started 

 in the right location. With Bermuda grass may be mixed 

 Japan clover for summer grazing and either bur clover or 

 vetch for winter grazing. Another excellent grass for 

 pasture is carpet grass, which is not difficult to destroy. 

 Portions of the plants or roots must be set, or the seed 

 of carpet grass must be saved from the low spots. 



Sorghum. This annual plant will grow on almost any 

 soil. It is useful for green forage or for hay, and for mak- 

 ing syrup. The seed must be sown thick to make good 



