Nutrient Concentration
Poor correlation between phytoplankton community growth rates and nutrient concentration in the sea
... that allow them to uptake nutrients at a faster rate than larger cells and to domi- nate in nutrient limited conditions (Eppley et al., 1969; Aksnes and Egge, 1991; Hein et al., 1995). Large phytoplankton species ...
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NUTRIENT RELATIONS DURING AN EUCALYPTUS CYCLE AT DIFFERENT POPULATION DENSITIES
... nutrient concentration is high and there is a strong decreasing gradient from the external to the internal core. On the contrary, the gradient from the outer to the inner bark is not always remarkably ...
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Effects of nutrients increase on the copepod community of a reservoir using cages
... The higher environmental variable concentration values and significant differences were verified in the final stage of the experiment (T5), and cages and downstream. These results could be caused by the ...
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Exotic species of zooplankton in the Upper Paraná River floodplain,
... in nutrient concentration observed in the environments of the Upper Paraná River floodplain due to the upstream retention by dams, may favor the devel- opment of ...
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NUTRIENT CONTENTS AND PRODUCTION OF ROCKET AS AFFECTED BY NITROGEN CONCENTRATIONS IN THE NUTRITIVE SOLUTION
... on nutrient concentration in the nutrient solution for rocket grown hydroponically have been recorded in the Bra- zilian literature, which gives to current recommen- dations an empirical ...
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Estratificação química em lagos naturais brasileiros: meromixia e memória hipolimnética
... hypolimnetic nutrient concentration, electrical conductivity, total dissolved solids and redox potential indicated that the mixing was not complete even during the annual circulation period, suggesting a ...
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Irreversible collective migration of cyanobacteria in eutrophic conditions.
... In response to natural or anthropocentric pollutions coupled to global climate changes, mi- croorganisms from aquatic environments can suddenly accumulate on water surface. These dense suspensions, known as blooms, are ...
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Nutrient Composition of Mature and Litter Leaves and Nutrient Mobilization in Leaves of Tree Species from Secondary Rainforests in the South of Brazil
... between nutrient concentration of mature leaves and litter leaves are not attributed only to the species, but also depend on soil conditions, vegetation growing and species development (Sharma and Pande, ...
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Correlações entre as concentrações de nutrientes, alumínio e sódio nas folhas de "Coast Cross nº 1" e a análise física e química de um Latossolo vermelho amarelo II: Concentração de nitrogênio e fósforo.
... AMONG NUTRIENT CONCENTRATION, SODIUM AND ALUMINUM IN THE LEAVES OF "COAST CROSS N2 1" AND PHYSICAL AND CHEMICAL ANALYSIS OF A TYPIC ACROSTOX SOIL ...II. CONCENTRATION OF NITROGEN AND ...among ...
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AVALIAÇÃO NUTRICIONAL DE CLONES DE Eucalyptus grandis, PELOS MÉTODOS DO NÍVEL CRÍTICO E DO DRIS, EM ÁRVORES DE 1 E 5 ANOS DE IDADE
... foliar nutrient concentration composition and eucalyptus productivity of ...foliar nutrient concentration of 48 trees (16 trees x 3 replications) of eight clones of Eucalyptus grandis, ...
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J. Braz. Chem. Soc. vol.14 número5
... and nutrient concentration, pH, dissolved oxygen, alkalinity, seston, chlorophyll a, primary production, NPP, copper speciation, Cu(II) and Cu(I) and complexing capacity were ...in nutrient rich ...
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Physical and chemical characteristics of milk from goats supplemented with different levels of total digestible nutrients in the dry period
... Studies to set the parameters for goat milk produced, as well as to evaluate the influence of nutrition on the production of goat milk mainly in the semi-arid region of the São Francisco River Valley are very scarce, ...
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Manuel Benito NovellaI Jerônimo Luiz AndrioloI Dilson Antônio Bisognin
... The concentration of the nutrient solution did not affect minituber ...the nutrient solution concentration decreased total and minituber dry mass production of micropropagated plantlets and ...
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BRAZILIAN ARCHIVES OF BIOLOGY AND TECHNOLOGY
... Candida tropicalis can use phenol as the sole carbon and energy source. Experiments regarding phenol degradations from the water phase were carried out. The fermentor was operated as a fed-batch system with oxistat ...
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Cycling of nutrients and silicon in pigeonpea and pearl millet monoculture and intercropping
... With regard to the durability of SDM, plants with a low C/N ratio may have a high residue decomposition rate, and plants with a high C/N ratio may have a reduced decomposition rate and delayed nutrient release to ...
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BORON NUTRITION AND YIELD OF ALFALFA CULTIVAR CRIOULA IN RELATION TO BORON SUPPLY
... Boron was determined in leaves, stems and roots samples ashed in an oven at 450ºC; the azomethine colo- rimetric method was used for determination (Gupta, 1979b). Ratio of boron concentrations in the three plant parts ...
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Consumo e digestibilidade em ovinos alimentados com dietas contendo resíduos da bananicultura
... potential for use in ruminant nutrition are those from the banana (Musa spp.) crop (Geraseev et al., 2013; Oliveira et al., 2014). However, although the leaves and pseudostem of banana trees are highly digestible by ...
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Cooling and concentration of nutrient solution in hydroponic lettuce crop
... the nutrient solution decreases the possibility of water absorption by the plant, decreasing the ...the nutrient solution should be further diluted to enable proper growth of the plants (Cometti et ...and ...
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Francieli L Cardoso; Jerônimo L Andriolo; Miriane Dal Picio; Marcieli Piccin;
... can be stored in the plant (Masclaux- Daubresse et al., 2010) for further assimilation. The impact of diurnal variations in water availability would be stronger in the plant water flux. This hypothesis is corroborated by ...
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Effects of nutrient supply on photosynthesis and pigmentation in Ulva lactuca (Chlorophyta): responses to short-term stress
... of nutrient supply on photosynthesis (estimated as chlorophyll fluorescence), chlorophyll content, biomass yield and proximate chemical composition of tank cultivated Ulva lactuca ...of nutrient supply on ...
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