TY  - BOOK
AU  - SEKHON, Preetmohinder Singh
TI  - Effect of nitrogen and pinching on growth and flower production of marigold cv. African giant double orange
U1  - T 635.933.55 S27E 
PY  - 1981///
CY  - Ludhiana
PB  - PAU
KW  - COMPOSITEAE
ER  -