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Photocells were traversed at 6 canopy heights in a 15-yr-old plantation in North Carolina. When incident radiation was predominantly direct-beam, a bi...
Read moreMeasurements at monthly intervals showed that leaf-fall in the Mora excelsa rain forests of Trinidad was much greater in Aug. Oct. and in Feb. April t...
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 moreThe equipment described makes use of a continuous measured flow (v) of dry N2O into a porometer cup attached to a known leaf area (a). The gas within ...
Read moreThe effect of root and shoot competition and the application of 300 kg molybdenized superphosphate plus 50 kg N/ha on the growth of green panic seedli...
Read moreMeasurements were made during the winter of 1977/78 at the Welsh Plant Breeding Station of changes of leaf, stolon and root biomass, stolon length and...
Read moreLand-use intensification has caused dramatic declines in grassland biodiversity, and in Europe this decline has not yet been halted. Therefore, a majo...
Read moreMax. hourly rates of CO2 uptake measured in midsummer in well-developed communities of S. molesta and E. crassipes ranged from 20 to 23 and from 30 to...
Read moreOvernight respiration losses of whole plants were measured in a young maize crop grown in the humid tropic zone of Western Nigeria. In an older crop, ...
Read morePotential annual production at optimal LAI in the absence of growth-limiting factors was estimated at 65 (metric) tons DM/ha. Allowing for summer drou...
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