TY  - GEN
AU  - Beaton, James D
AU  - Nelson, Werner L
AU  - Tisdale, Samuel L
TI  - Soil ferility and fertilizers
SN  - 0029467608
U1  - 631.8 TIS 
CY  - New York, Mac Millan Company
KW  - Fertilizers/ soil fertility/ plants - nutrition
ER  -