TY  - BOOK
AU  - John L.Havlin
AU  - Tisdale,Samuel L.
AU  - Beaton,James D.
AU  - Nelson,Warner L.
AU  - 
TI  - Soil fertility and fertilizers : : An Introducton To Nutrient Management 
SN  - 9788120330177
U1  - 631.4 23
PY  - 2005///
CY  - New delhi.
PB  - PHI Pub,
KW  - Fertilizers
KW  - Soil fertility
KW  - Crops
KW  - Nutrition
N1  - Rev. ed. of: Soil fertility and fertilizers / Samuel L. Tisdale, Werner B. Nelson, James D. Beaton. 4th ed. c1985; Includes bibliographical references and index
ER  -