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This paper combines a structural estimation of vegetative-agriculture supply, based on a farmland-allocation model, with a market-level partial equili...
Read moreEstimates for various components of above-ground biomass are presented for naturally regenerated stands of Pseudotsuga menziesii, 22, 30, 42 and 73 ye...
Read moreReports a study in which four unmanaged, even-aged stands of second-growth mixed hardwoods 67-97 years old, dominated by Quercus spp., near Asheville,...
Read moreGives results of measurements of the light reflectance of the bark, the type of stem-epiphyte cover, and the lichen flora of samples of trees of Oak (...
Read moreAgrostemma githago and wheat cv. Sicco were grown in 1981 in monocultures and 1:1 mixtures at total densities of 16, 40, 120, 400 or 1200 seeds/m2. A ...
Read moreData are presented for a range of species including perennial grasses, white clover, lucerne, cereals and soyabeans on the length of roots per unit ar...
Read moreThis paper presents the results of a field study conducted in Spain, to evaluate the effectiveness of installing nest boxes for insectivorous birds in...
Read moreThe high spatial and temporal variability of forest understorey light environments requires lengthy and/or extensive sampling in order to characterize...
Read moreExperiments were performed to assess the competitive and reproductive abilities of 5th-generation farmed salmon and their potential effects on populat...
Read moreN fixation by white clover established on colliery spoil in S. Yorkshire was measured weekly between May and Nov. Residual spoil P levels from 2 rates...
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