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The mean nitrate reductase activity (NRA) of leaf tissue, from various nitrogen environments, was four times greater in Sporobolus pyramidalis than in...
Read moreIn pot experiments, populations of Anthoxanthum odoratum collected from acid soils (both natural and Park Grass), which had not been fertilized with K...
Read moreFertilization with a 10-6-4 sewage sludge fertilizer increased the total peak standing crops of salt marsh vegetation, in spite of the presence of con...
Read moreSeedlings and young trees of Pinus sylvestris were grown in outdoor fumigation chambers at about 5 and 150 mu SO2m-3 (5 pphm). Temperature and water v...
Read moreThe pH, percentage moisture, and temperature of colliery spoil, and the K, Ca, Mg, Na, Fe, Zn, Cu, Mn and Al concentration of saturation paste extract...
Read moreIn tests in Australia, first and second-instar larvae of Sericesthis nigrolineata (Boisd.) were exposed for short periods to temperatures between 30 a...
Read moreIn the work described in this second part [cf. preceding abstract], first-instar larvae of Sericesthis nigrolineata (Boisd.) were exposed, for various...
Read moreAdults of Altica (Haltica) carduorum Guer. from France were released in 1969 and 1970 on Cirsium arvense (creeping thistle) at Silwood Park, Berkshire...
Read moreThe area, subjected to pressure by pedestrians and vehicles, was divided into 3 zones according to the intensity of wear. Significant differences in t...
Read moreCommunity ecology is frequently invoked as complementary to and useful for guiding ecological restoration. While the conceptual literature is devoted ...
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