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The design of an instrument for the simultaneous measurement of photosynthetically active radiation and red, far-red and blue light is described. The ...Read more
Seed germination in Agrostis capillaris, Holcus lanatus, Poa trivialis, Cynosurus cristatus and Festuca rubra was investigated in the dark at temp. ra...Read more
Paspalum dilatatum and Sporobolus indicus plants growing in dense humid natural grassland were illuminated basally with red light by use of light-emit...Read more
Light transmittance and reflectance of sun and shade leaves of apple (cv. Golden Delicious) were measured from May to September over the 380-700 nm wa...Read more
Knowledge of the regulatory effects of the crop canopy on weed seed germination is necessary to understand fully the behaviour of weed seed banks duri...Read more
Parasitic plants in the genus Cuscuta (dodders) make their living by extracting resources from other plants. While relatively few dodder species are a...Read more
The foliage-light product (FLP) is proposed as a simple and rapid means of assessing management systems of orchard trees by combining the two importan...Read more
Perennial ryegrass, wheat, red clover and lucerne were grown on soil in pots with and without added K; foliage was leached with simulated rain and the...Read more
In pot experiments using fine sandy loam (pH 6.3) ryegrass (Lolium perenne L.), winter wheat (Triticum aestivum L.), red clover (Trifolium pratense L....Read more
A critical assessment was made of the use of hemispherical photography in fully-developed wheat and barley canopies. It is concluded that black-and-wh...Read more