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Bare 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'...
Read moreThe photosynthetic capacity of shoots from whole plants grown in low light (low light phenotypes) was higher than that of high light phenotypes, where...
Read moreA series of root-pruning experiments was performed to simulate the effects of grazing by root-feeding herbivores on B. gracilis. Approx. 37% (c. 22 mg...
Read moreEquations are developed for estimating plant DM production. Estimates for a range of crops growing between 14 deg S. and 43 deg N. agreed well with me...
Read moreTriazine-susceptible and resistant biotypes of S. vulgaris, collected from the same field in Salinas, California, were compared to determine whether r...
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