KBS019: Weed Species Composition
In use from sometime to 2003-01-01
Abstract
Sampling Frequency: minimum of once each growing season
Weed species composition are determined at the time of plant productivity sampling. Weeds within the biomass sampling area, 1 m
, are clipped at ground level and placed in labeled paper bags . In the laboratory plant are separated to individual species and bagged . Species identification are determined based on Gleason and Cronquist (1963),Fernald (1950), Knobel (1980) and Voss (1972 and 1985) . Biomass is dried at 60 degrees C for 48 h and weighed .
Protocol
Author: Tim Bergsma
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