Data/hora: 05/06/2024 08:16:34

Biblioteca(s): | Embrapa Agrobiologia.
Data corrente: | 19/01/1998
Data da última atualização: | 11/09/2009
Autoria: | MERCKX, R.; VEREECKEN, H.; VLASSAK, K.
Título: | Fertilization and the environment.
Ano de publicação: | 1990
Fonte/Imprenta: | Leuven: Leuven University, 1990.
Páginas: | 356 p.
ISBN: | 90-6186410-0
Idioma: | Inglês
Conteúdo: | Fretilization and eviroment: legislative aspects in the E.E.C. Agricultural production and eutrophication of the baltic and adjacent seas. The leaching of nitrates after spring fertilizer application and the influence of tillage. Losses of nitrate from arable landy by leaching and their effect on nitrates in drainage and groundwater. Leaks in the nitrogen cycle. Wheat nitrogen fertilization as a potential threat to groundwater quality. Simulation of N-mineralization from crop-residues.Nitrate leaching under grazed grassland: measurements using ceramic cup soil solution samplers. Direct and indirect effects of fertilizationpractices on heavy metals in plants and soils. The effect of leather tannery sludge on the chemical properties of a typic haplustox in leaching soil columns. Long term addition of composted municipal waste and its impact on the soil microbial population. Assessment of the capacity for complexation in natural organic matter. Cadmium removal by cropsunder field conditions in sweden. Accumulation of potentially toxic metals in grassland from long-term slurry application. The behaviour of zinc in mixed oxide-podzol Bh systems. Soil improvement in the city wiht high organic sewage sludge nad compost. Effects of organic fertilizers on germination. Nitrate contamination of surface water by tile drainage in the vegetlabe area of west flanders(belgium). The N-mineralization pontential: an undefinable parameter. Fate of split applied N fertilizer to winter wheat.effect of N level and of preceding crop.A twoyear experiment with 15N in the belgian loam region. Some agriculturaland environmental consequencesof long-term applications of inorganic nitrogen fertilizer. The effect of agglomerates composed of fly ashes, bark and manure slurry on physical-chemical transformations in the soil. The effect of the for and application rate of nitrogen fertilizer on directly sown brussels sprouts. Studies of N-cycling in the root zone. Effects of a cover crop on nitrogen behaviour: A two years lysimeter study using 15N. The nitrogen balance of agriculturally used water catchment areas. The square grid and nitrate leaching. Gaseous N lossesafter the application of slurry: important or not?. A model for the estimation of nitrogen leaching with regional applicability. Land application of piggery manure: the need for adequate expertsystems to evaluate and control manuring practices.Influence of some types of harvest residues on the evolution of soil mineral nitrogen. Sources of nitrate from arable soil to aquifers. The significance of gaseous losses of nitorgen from livestock slurries applied to agricultural land. Ammonia volatilization from grazed grassland: effects of management on annual losses. Ammonia volatilization from a rotationally grazed sward. Use of organic wasters as a fertilizer and its environmental implication. Nitrogen discharge from drains and ditches in an agriculturally used watershed. Modelling nitrate leaching on a regional scale. Use of green manures to prevent nitrate leaching after slurry spreading.
Palavras-Chave: | Environments; Hearvy metals.
Thesagro: | Ecologia; Fertilidade do Solo; Meio Ambiente; Metal Pesado.
Thesaurus Nal: | ecology; soil fertility.
Categoria do assunto: | --
Registro original: | Embrapa Agrobiologia (CNPAB)
Exemplares: | CNPAB - (25852-1) - ADD - LV - -- - 1997.0160 -  - 1997.00160 - DIS