PLATE LXXV 

 Effect of varying quantities of Tennessee brown rock phosphate on plant growth; 



Fig. I. — Cowpeas. (Table IV, series iF.) 



Fig. 2. — Soybeans. (Table IV, series iG.) Photographed just before cutting. 



Fig. 3. — Red clover. (Table III, series iH.) 



Fig. 4. — ^Alfalfa. (Table V.) Photographed before first cutting. 



