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Density of jojoba (Simmondsia chinensis) was similar but plant size and cover were greater inside than outside a 48-yr-old livestock (cattle) exclosur...
Read moreResults are reported from a study of leaf area dynamics in 100 plots in stands of lodgepole pine (Pinus contorta var. latifolia, age range 67-134 yr) ...
Read moreIn field experiments in N. Finland, 80 study plots (5×5 m) in mixed pine (Pinus sylvestris)/mountain birch (Betula tortuosa) woodland were irrigated w...
Read moreThe response to density of the annual Agrostemma githago were investigated over a wide range of densities in pure populations and also in the presence...
Read moreIn field trials on the coastal foredune ridge of Voorne Island, Netherlands in 1984, A. arenaria was sown with a mixture of nurse crops (Secale cereal...
Read moreThe life cycle of A. sylvestris (which dominates disturbed grasslands on road verges and river dikes) was analysed to examine possible causes of its d...
Read moreWater-table depths on high-level blanket bog were compared at different distances from moor-drains and with depths on nearby undrained bog. Cover-abun...
Read moreThere is urgency in optimizing agricultural production in light of climate uncertainty, human population growth and resource limitations. The rhizosph...
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