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In two series of experiments, the relative leaf growth rates (RA) and relative growth rates (RW) of seedlings of 8 onion cvs of diverse geographic ori...
Read moreTropical forest understories tend to be light-limited. The red-to-far-red ratio (R:FR) is a useful and reliable index of light quality and its spatial...
Read moreIn measurements made on a 45-yr-old stand at Thetford Forest, East Anglia, UK, from Mar. to Oct 1976, data on shoot conductance and photosynthesis wer...
Read moreGives results of measurements of the light reflectance of the bark, the type of stem-epiphyte cover, and the lichen flora of samples of trees of Oak (...
Read moreThe following is based largely on the authors' summary. Some of the factors that contribute to changes in the biting rate of L. becquaerti with time (...
Read moreSeeds of Bromus sterilis overwintered outdoors on the panicle were dormant the following spring, whereas seeds stored indoors germinated rapidly. The ...
Read moreClimate change alters both water and CO2 availability for plants, but it is largely unknown how they interact with light to affect tree seedling estab...
Read moreParasitic plants in the genus Cuscuta (dodders) make their living by extracting resources from other plants. While relatively few dodder species are a...
Read moreUsing sugar-beet seedlings as phytometers, NAR, LAI and light intensity were measured at various levels in field-grown spring barley, winter wheat, sp...
Read moreAn investigation was made of factors affecting the distribution and abundance of insect herbivores on oak (Quercus petraea) in pure stands or in mixtu...
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