EFFECT OF CHEMICAL CONTROL ON WEED SEED BANK SIZE AND COMPOSITION IN CORN BARLEY ROTATION SYSTEM Mostafa Ovaisi Mohammad Ali Baghestani Baghestani Ebrahim Raismohammadi DOI: https://doi.org/10.28941/pjwsr.v12i4.208 PDF Published 2006-12-01 Issue Year 2006, Volume 12 , Issue 4 Section Articles