Fig. 16.-Average annual returns for the pecans after de-
 ducting cost of fertilizer and seed.
 1-A. Austrian peas and C. spectabilis with superphosphate and
 sulfate of potash.
 1-B. Austrian peas and C. spectabilis with sulfate of ammonia,
 superphosphate and sulfate of potash.
 2-A. Hairy vetch and C. spectabilis with same fertilizer as 1-A.
 2-B. Hairy vetch and C. spectabilis with same fertilizer as 1-B.
 3-A. Natural growth only with same fertilizer as 1-A.
 3-B. Natural growth only with same fertilizer as 1-B.
 4-A. Oats and C. spectabilis with same fertilizer as 1-A.
 4-B. Oats and C. spectabilis with same fertilizer as 1-B.




 STUART





I I Ir nI


FROTSCHER