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This paper incorporates the detrimental agronomic effects of irrigation-water salinity into an empirical economy-wide dynamic hydro-economic model to ...
Read moreA new method for determining the age of grasstrees (Xanthorrhoea spp and Kingia australis) is proposed. It is based on annual fluctuations in stem dia...
Read moreHawthorn scrub in an upland area (>150 m alt.) of North Wales was surveyed, and at three typical study sites, hawthorn occurrence was studied in re...
Read moreSeedlings and young trees of Pinus sylvestris were grown in outdoor fumigation chambers at about 5 and 150 mu SO2m-3 (5 pphm). Temperature and water v...
Read moreThe effects of 5 planting densities (p), viz. 10x20, 10 x 10, 10 x 7. 5, 10 x 5 and 5 x 7. 5 cm., on leaf growth and bulb yield were investigated for ...
Read moreA model was developed to simulate the production rate of above-ground dry matter by trees and by ground vegetation. Values for a Scots pine stand in c...
Read moreReproductive behaviour was recorded in 23 populations of D. glomerata grown under uniform field conditions. In most populations some plants headed in ...
Read moreIn a Swedish experiment, 18-yr-old Scots pine were defoliated by hand in early and late summer, simulating different degrees of insect grazing on the ...
Read moreThe insertion angle of the needles, their position on the stem, and their width had large effects on the uptake of 14CO2 by detached 'sun' and 'shade'...
Read moreResults are reported from a mechanical diallel experiment with Avena fatua, A. ludoviciana, A. strigosa and oats cv. Blenda. Relative yield totals bas...
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