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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 moreFeeding of A. phoeniceus on maize ears did not always result in crop loss because feeding on the tips of the ears, if not too severe, could stimulate ...
Read moreHuman trampling drastically reduced the amounts of Poterium sanguisorba, Leontodon hispidus, Trifolium repens and Rhytidiadelphus sguarrosus in chalk ...
Read moreThe effects of mowing frequency and cessation of mowing on ecosystem structure in a semi-permanent grassland (Agrostis tenuis, Holcus lanatus, Anthoxa...
Read moreSpecies diversity, richness and evenness of Collembola populations were estimated for spring, summer, autumn and winter samplings of pastures at Armid...
Read moreSingle and combined treatments of 2,4,5-T were applied by paintbrush to cut Betula pendula and B. pubescens stumps and fosamine was applied by foliar ...
Read morePopulation viability can depend on habitat area, habitat quality, the spatial arrangement of habitats (aggregations and connections) and the propertie...
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...
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