TY  - BOOK
AU  - Tisdale, Samuel L .,et al
TI  - Soil fertility and fertilizers
SN  - 8120309758
U1  - 631.42/TIS 
PY  - 1993///
CY  - New Delhi
PB  - Prentice-Hall of India Private Limited
KW  - Crops--Nutrition
KW  - Soil fertility
ER  -