publicações selecionadas The evaluation of rapid tests for the assessment of nitrogen availability in soils used for wheat production. Nitrogen transformations, plant uptake and balance of fall and spring applied ammonia. The dynamics of soil, fertilizer and biologically-fixed nitrogen in soil-plant systems.
theses/dissertations advising Nitrogen transformations in soils during nitrification of alkaline-hydrolysing fertilizers. The measurement of N2 fixation by legumes and transfer of fixed N using 15N. Effect of nitrification inhibitors on nitrogen transformation rates in the soil-plant system. Interactions between soil and fertilizer nitrogen. Nitrification and transformations of nitrite in soil nitrogen balance. The effects of phosphorus application rate and stocking rate on nitrogen fixation and nitrogen economy of dairy pastures. Dynamics of soil and fertilizer nitrogen in irrigated summer crops. Silver wattle (Acacia dealbata): its role in the ecology of the mountain ash forest and the effect of alternative silvicultural systems on its regeneration. Nutrient cycling and grain legume nitrogen fixation in ameliorated sodic soils. Efficiency of nitrogen fertilization of dry-seeded rice in south-east Australia. The determination of nitrogen fixation and the effect of soil properties on fixation by Trifolium subterraneum L., Medicago truncatula Gaertn. and Acacia dealbata Link. Effects of metal-contaminated sewage sludge on biological N2 fixation and mineralization of legume nitrogen. The ecology of Agrostis spp. (bent grass) invasion into temperate pastures. Reconciling legume effects on soil N and N of subsequent wheat with reference to the role of the nodulated root. Agronomic management of field pea (Pisum sativum L.) for N2 fixation and soil N improvement. A study of factors governing the rate of soil acidification under subterranean clover based perennial and annual grass pastures. Dynamics of nitrogen between organic and inorganic phases in soil