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In grazing trials at Hurley in Mar.-Oct. 1984, mixed Trifolium repens cv. Huia/Lolium perenne cv. S23 swards were continuously grazed by sheep to main...
Read moreAnalysis of weather data for 20 years indicated that toxicity was related to low sunlight hours, and shading experiments confirmed this belief. Round ...
Read more[Cf. FA 37, 4389, 4390] Reports studies in situ on diurnal and seasonal variation in the rates of photosynthesis (Fc) and stomatal conductance (Ks) of...
Read moreA study of net photosynthesis, respiration, and stomatal and mesophyll resistance of 3- to 4-year-old Sitka Spruce seedlings, grown in a greenhouse, i...
Read moreBare soil evolved a maximum of 7 g CO2/m2/day in summer and a minimum of 1 g/m2/day in winter; the Q10 was 3. Root respiration, i.e. the difference in...
Read moreStands of Salix viminalis growing near Edinburgh, UK, were studied in 1984 (1st yr growth from 2-yr coppice stumps) and 1985 (1st yr growth from cutti...
Read moreThe evidence for the suggestion that smoke pollution is the main selective factor determining melanic frequencies of the polymorphic Adalia bipunctata...
Read moreThe author has found that the stages in the ovarian cycle of female of Hylemya (Erioischia) brassicae (Bch.) can be numbered in a similar way to that ...
Read moreIntensive agriculture is dominated by monocultures of high-yielding plants that receive large applications of nitrogen (N) fertilizers to boost plant ...
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