Paper Details

PJB-2007-167

INTRAANNUAL VARIATIONS IN WEED COMMUNITIES OF LENTIL FIELDS IN CHAKWAL, PAKISTAN

SIKANDER SULTAN* AND ZAHEER AHMAD NASIR1
Abstract

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Weed communities are never static nor are they necessarily at equilibrium as they change in response to external and internal forces. To identify the ecologically operative weed communities, two surveys were carried out at eight sites in lentil fields of District Chakwal during 1999-2000. Twenty nine weed species in 1999 and 36 weed species in 2000 were recorded from the study area. Based on the importance value, 8 weed communities viz

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