TY  - GEN
AU  - Havlin, John L. 
AU  - Tisdale,Samuel
AU  - Nelson,Werner L.
AU  - Beaton,James D.
TI  - Soil fertility and fertilizers: an introduction to nutrient management 
SN  - 9780135033739
AV  - S 633 HAV 2013 
PY  - 2013///
CY  - Boston
PB  - Pearson
KW  - Fertilizers
KW  - Soil fertility
KW  - Crops
KW  - Nutrition
N1  - Includes bibliographical references and index; Includes bibliographical references and index
ER  -