TY  - BOOK
AU  - Chowdhary, Malla Ram
TI  - Growth of maize (Zea Mays L.) roots under crusted and non-crusted surface conditions
U1  - T 633.15 C35G 
PY  - 1968///
CY  - Ludhiana
PB  - P. A. U.
KW  - MAIZE
ER  -