TY  - BOOK
AU  - Tejinder Singh
TI  - Chemical equilibria and indices of Nitrogen availability in submerged paddy soils
U1  - T 631.416 T25C 
PY  - 1976///
CY  - Ludhiana
PB  - PAU
KW  - SOILS - NITROGEN CONTENT
KW  - RICE - FERTILIZERS AND MANURES
ER  -