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The numbers of Sinapis arvensis plants in 3 permanent quadrats in an arable field were examined over 3 years. Plant size was positively correlated wit...
Read moreSexual reproduction in 9 clones of Eichhornia crassipes from different parts of the world was examined in the glasshouse. Eight of the clones flowered...
Read moreSexual reproduction and natural seed production in Eichhornia crassipes was examined in a total of 19 populations from 2 tropical regions (Lower Amazo...
Read moreSeed longevity and germination in various situations were examined in Rumex crispus and R. obtusifolius. The % germination of both spp. was significan...
Read moreThe population characteristics and distribution of wood mice (Apodemus sylvaticus) were investigated along field margins of farmland in Northern Irela...
Read moreAn account of the ecology of the vector in 5 pastures sown with different legume combinations. Results indicated that subterranean clover is the most ...
Read moreA technique is described incorporating a point-quadrat method, computed tomography and several photographs taken from various positions at ground leve...
Read moreThe nature and extent of genetic variation among clones of Queen Charlotte Island provenance was estimated in relation to likely dates of budburst in ...
Read moreData are presented on stomatal conductance and leaf water potential for trees (4-6 m tall) of Jacquinia pungens and Coccoloba liebmannii during the dr...
Read moreResults are presented from trials with Betula pendula, B. pubescens, Salix caprea and S. cinerea at 6 sites throughout Britain; the selected clones we...
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