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Studies were made in 1969 and 1970 of the total production of vascular plants in a ryefield in the southem part of the Wielkopolska region of Poland. Rye and weed production was defined on the basis of samples taken at the time of maximum development of the plants, and this evaluation was supplemented by an estimate of the biomass of sterile shoots which died during the development of the rye. While total primary production was approximately equal in the two study years (ranging from 1007 to 1159 g/m2), considerable differences were found in the production of sterile shoots and also of rye grain.
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Projects co-financed by:
Operational Program Digital Poland, 2014-2020, Measure 2.3: Digital accessibility and usefulness of public sector information; funds from the European Regional Development Fund and national co-financing from the state budget.