TY  - BOOK
AU  - BHALLA, Panna Lal
TI  - Study on the herbicidal efficiency and selectivity of some herbicides in onion, (Allium cepa L.)
U1  - T 635.259.954 B51S 
PY  - 1975///
CY  - Ludhiana
PB  - P.A.U
KW  - ONIONS -- DISEASES & PESTS
KW  - HERBICIDES
KW  - ONION
KW  - VEGETABLE
KW  - WEED
N2  - The observations of the preliminary trial revealed that atrazine and linuron were non-selective as post-emergence and their toxic effect persisted for nearly 120 days Nitrofen showed a great practise in controlling a wide spectrum of weed species and yiel
ER  -