Paper Information

Title: 

PRIMING EFFECT ON GERMINATION AND SEEDLING GROWTH OF CANOLA SEEDS (BRASSICA NAPUS)

Type: POSTER
Author(s): NADAF MOHABBAT*,HOSSEINNIA AMIRMOMAMMAD
 
 *DEPARTMAN OF BIOLOGY ,PAYAME NOOR UNIVERSITY
 
Name of Seminar: 2ND NATIONAL AND 1ST INTERNATIONAL CONFERENCE FOR BEST PRACTICES OF PRIMARY HEALTH CARE
Type of Seminar:  CONFERENCE
Sponsor:  NORTH KHORASAN UNIVERSITY OF MEDICAL SCIENCES
Date:  2012Volume 2
 
 
Abstract: 

CANOLA IS THE WORLD’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