TY  - BOOK
AU  - Singh, S.S.
AU  - 
AU  - 
TI  - Soil fertility and Nutrient Management: An Introducton To Nutrient Management 
SN  - 9788127269982
U1  - 631.8 23
PY  - 1996///
CY  - New Delhi.
PB  - Kalyani 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  -