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Describes a study in north Yorkshire comparing the effects of the following treatments on soil aeration, water potential, and growth of Pinus sylvestr...
Read moreTo estimate the effect of foliage at different positions in the profiles of kale crops on the rate of photosynthesis below it, crop LAI was varied by ...
Read moreAdults of Hylemya (Erioischia) brassicae (Bch.) labelled with 32P were released 24 m from a plot of cabbage and recaptured with water traps. The respo...
Read moreThe dispersion, biomass and population structure of the semi-desert shrub Zygophyllum eurypterum were measured in a 1-ha sample of the Turan Biosphere...
Read moreThe nitrogenase activity of C. scoparius measured at indigenous soil temp. at intervals during the year showed 2 apparent maxima, in early and late sp...
Read moreThe device, which does not require attachment to the shoot apex, includes a light transmitter/receiver system that can be continually repositioned ove...
Read moreThe time course of changes in the quantity of Calluna leaves and wood were measured during 1971 and an analysis of the data used to derive the seasona...
Read moreYoung plants of S170 tall fescue were grown in different day/night temperature regimes in most combinations of 10, 15, 20, 25 and 30 deg C in 4 series...
Read moreTobacco cv. Virginia Gold infested with blue mould (Peronospora hyoscyami f. tabacina) and fresh, wilted or dried plants of tobacco and Atriplex nummu...
Read moreQuantitative estimates of the effects of different methods of S application on the entry of 35S into the grazed pasture system were made on an analogu...
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