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In laboratory experiments mineral nutrients, particularly K, were readily dissolved from the ash left when heather was burnt but the rate of solution ...
Read moreThe seasonal patterns of aerial biomass and biochemical composition of live graminoids, forbs, rushes, dwarf shrubs and dead plant material were exami...
Read moreThe effective internal supply of specific nutrient elements in the seeds of 7 grass and 5 legume pasture species was quantified by growing newly germi...
Read moreA metapopulation neighbourhood model of the seed bank of an annual plant, that included the effects of heterogeneity in space and time, of stochastic ...
Read moreBy means of factor analysis of concentrations of Cu and Zn in soil and of Cu, Zn, Fe and Mn in vegetation, the relationships between biogeochemistry, ...
Read moreSalt-marsh microcosms containing the halophyte Spartina alterniflora were maintained in a greenhouse for 2 years and given daily dosages of a hydrocar...
Read moreThe effect of copper sulphate as an algicide is reviewed briefly. In experiments in which Anabaena flos-aquae and Scenedesmus quadricauda were exposed...
Read moreBarley, Sinapis alba and Papaver rhoeas, and then barley, S. alba and Avena fatua were grown in pure stand and in mixtures of 2 and 3 species at diffe...
Read moreTo date, the anchorage and wind load of urban trees can only be assessed in static load tests. These are complex and expensive, and the reliability of...
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