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Perennial ryegrass swards were continuously grazed by sheep. One sward was grazed to maintain an LAI (lamina) close to 1.0 ('hard' grazed) and a 2nd s...
Read moreA dynamic model of a water-containing and water-conducting system is described, representing a non-growing, transpiring leaf with an attached root in ...
Read moreLight interception by a reconstructed canopy of Calluna vulgaris was recalculated on the basis of total skylight and equations developed to estimate i...
Read moreA simple model is used to calculate transpiration and assimilation rates for leaves or canopies. This is then used to investigate interactions between...
Read moreBare soil evolved a maximum of 7 g CO3/m2/day in summer and a minimum of 1 g/m2/day in winter; the Q10 was 3. Root respiration, i.e. the difference in...
Read moreDM production ranged from <2 g/m2 day in winter to 20 g/m2 day in spring in barley cv. Sekitori-Sai No.1 sown in 15-cm bands 55 cm apart with 105 p...
Read moreDM production of swards of Bouteloua gracilis was modelled using measured effects of soil water potential, temperature, visible irradiance and phenolo...
Read moreA technique for measuring photosynthetic rates of attached leaves using 14CO2 was compared, in a field crop of barley, with a non-destructive method w...
Read more[See FA 38, 1151] Needles of Sitka spruce were illuminated on either the top or bottom surfaces or on both simultaneously, using parallel beam light. ...
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'...
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