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Young plants of maize and cotton grown in sand culture were kept at 1 site either during the day or night, and placed during the remainder of each day...
Read moreVarious growth parameters of young seedlings of tall fescue cv. S170 grown at 10, 15, 20, 25 and 30 deg C were recorded. At 25 deg C individual leaves...
Read moreDuring 1971 micro-meteorological measurements were made in March, May, July, August and October in a 7-year-old hedgerow-type apple orchard. The albed...
Read moreObserved declines in the distribution and abundance of various insect species have moved the topic of biodiversity and the protection of honey bees, a...
Read moreInvertebrates from contaminated and semi-contaminated grasslands in the vicinity of a major copper refinery housing copper/cadmium alloying plant all ...
Read moreDownhill skiing, the machine-grading of slopes and the use of artificial snow induce major disturbances to the environment of alpine ski resorts. Our ...
Read moreDDT, dieldrin and heptachlor were applied to separate plots in a hay field at 0.6, 2.2 or 9.0 kg/ha. For 11 yr thereafter, soil and earthworms were an...
Read moreExperiments were made in Ontario, Canada, over 12 wk in a greenhouse and 3 yr in the field with different proportions (100; 75/25; 50/50; 25/75; 100) ...
Read moreThe foraging range and constancy of two colonies of Bombus terrestris were investigated on a mixed arable farm in the UK using harmonic radar, which h...
Read more[Cf. FA 33, 3807]. The response of net photosynthesis (F), and stomatal resistance (rs) and mesophyll resistance (rm) to CO2 flux, to a stepwise seque...
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