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Barley cv. Proctor was grown in 2m × 2 m plots and at maturity a trench was dug at right angles to the rows of plants. Pin-board sampling showed that ...
Read moreVertical distribution of photosynthesis in crops of tobacco and sorghum was determined at intervals throughout the day using a portable chamber exposi...
Read moreData 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...
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