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Automatically recording thermocouple sensing elements clipped to potato leaves and thermocouple needles inserted into the midrib of the leaf showed th...Read more
cf. F.A. 27 No. 106.] The total evaporation from a plantation of Pinus sylvestris at Crowthorne, Berkshire, was estimated on 44 randomly chosen sample...Read more
The varieties used were S170 and ecotype AH from 660 m alt. in Algeria. AH expanded more leaf area during winter than did S170, and had a higher leaf-...Read more
The maximum rate of apparent photosynthesis in recently expanded leaves of unshaded Amaranthus edulis plants at 310 ppm. CO2 and 7500 f.c. was 55 ± 5 ...Read more
A method for determining tissue turnover in grassland, based on non-destructive measurements of individually marked population units, is presented. Th...Read more
The numbers of Brevicoryne brassicae and its parasites and predators in a crop of brussels sprouts were counted during a season. The results were grou...Read more
Sea-salt deposition was measured under the windward and leeward side of trees of Pinus radiata D. Don growing near the coast of west Wales. Deposition...Read more
The rate of evaporation from a crop is expressed in terms of weather parameters and a quantity rS derived from profiles of temperature, humidity, and ...Read more
Various growth parameters of young seedlings of tall fescue cv. S170 grown at 10, 15, 20, 25 and 30 deg C were recorded. At 25 deg C individual leaves...Read more
To estimate the effect of the foliage at different positions in the profiles of kale crops on the rate of photosynthesis below it, the leaf area index...Read more