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Data are given on daily net photosynthesis (determined gasometrically using a field-chamber technique), solar radiation, canopy structure and foliage ...
Read moreA seed drill with 2 adjacent spouts blocked was used to sow winter wheat so that there were rows (a) 18 cm apart, (b) 18 cm from the next row on one s...
Read moreA study of P. sitchensis from five North American provenances, ranging between latitudes 47°N. and 57°N., indicated that maximum net photosynthesis te...
Read moreThe independent effects of shoot competition and root competition between ecologically contrasting populations were investigated on both acid and calc...
Read moreLeaf expansion and tillering of three natural populations from Norway and one from Portugal were studied at three temperatures and two photoperiods. T...
Read moreThe effects of temperature and photoperiod on the growth and development of three populations from Norway and one from Portugal were studied. Marked e...
Read morePruning by burning improved lowbush blueberry performance mainly through the nutrients in the ash. Pruning by mechanical clipping did not increase dry...
Read moreStudies on Iridomyrmex cordatus, Pheidole megacephaia, Anoplolepis langipes and Oecophylla smaragdina, all involved in the control of the coreid bug A...
Read moreThe distribution of the cacao swollen shoot virus is markedly discontinuous in West and Central Africa. The available data were re-examined to investi...
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