Search
All content is free for everyone to browse, read and share. You’ll find journal articles and non-peer reviewed grey literature. Type keywords into the search box or Use the filtering options below to browse the content.
Showing 912 results
Reports a study in which four unmanaged, even-aged stands of second-growth mixed hardwoods 67-97 years old, dominated by Quercus spp., near Asheville,...
Read moreLeaf area index and stomatal conductance of the bracken (Pteridium aquilinum) canopy within a pine forest were combined to give canopy conductances. T...
Read moreAccessions of C. virginianum were tested for response to frosting in the field and in controlled environments. Accessions differed in their ability to...
Read moreSitka spruce seedlings were grown in horticultural peat supplied with either large or small amounts of P and K. K decreased the transpiration rate per...
Read moreThe effects of temperature and photoperiod on the growth and development of three populations from Norway and one from Portugal were studied. Marked e...
Read moreThe application of fungicides is considered an indispensable measure to secure crop production. These substances, however, may unintentionally enter s...
Read moreThe mean nitrate reductase activity (NRA) of leaf tissue, from various nitrogen environments, was four times greater in Sporobolus pyramidalis than in...
Read moreMorphological characteristics of Salix borealis [S. myrsinifolia] were monitored during 1994-96 at 10 sites along a transect crossing the heavily poll...
Read moreA sward of perennial ryegrass cv. S23 grown during 1979-81 was treated on 20 April with 130 kg N/ha as ammonium nitrate doubly labelled with 15N, foll...
Read moreIn Lolium perenne plants leaf and root extension growth decreased by 50% when plant water potential decreased from -3 bar to -6 bar and growth stopped...
Read more