[PDF] Top 20 CHANGES IN STRUCTURE AND CONTENT HUMIC SUBSTANCES

CHANGES IN STRUCTURE AND CONTENT HUMIC SUBSTANCES

... matter in the soil originates from natural plant, animal and microbial biomass and from man-made materials such as pesticides, hydrocarbons, plastics and industrial ...aminoacids and ... See full document

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Carbon and nitrogen stocks in the soil and humic substances of agricultural crops in the semi-arid region

... decrease in the C and N content of soils cultivated over long periods (SÁ et ...planting and increasing the deposition of plant residue may in turn increase the stocks of carbon ... See full document

10

Humic substances and its distribution in coffee crop under cover crops and weed

... Humic substances (HS) are considered one of the main organic carbon pools in soil (Song et ...2010), and are separated accordingly to their solubility at different pH levels, into humic ... See full document

8

OXYGEN UPTAKE DURING MINERALIZATION OF HUMIC SUBSTANCES FROM INFERNÃO LAGOON (SÃO PAULO, BRAZIL)

... plants in the Infernão Lagoon, showed the predominance of FA formation over ...RHS, and its low k D value in relation to the FA, increases the probability of incorporation of this compound into the ... See full document

8

CHEMICAL AND STRUCTURAL CHARACTERIZATION OF SOIL HUMIC SUBSTANCES UNDER AGROFORESTRY AND CONVENTIONAL SYSTEMS

... disturbance in the ICP treatment was not similar to that in highly mechanized agriculture, it was higher than in ...of humic substances. For instance, it was observed that FA and ... See full document

12

Seasonal changes in microbial community structure and nutrients content in rhizospheric soil of Aegle marmelos tree

... seasons in rhizospheric soils of Aegle marmelos tree. Nutrients content of soil were also determined simultaneously to correlate with the microbial ...Actinomycetes and Yeast and major plant ... See full document

6

Humic substances in soil cultivated with cover crops rotated with maize and soybean

... quality and in agriculture is related to the input of plant material from ...cultivation. In this context, the adoption of management systems that increase the supply of OM would consequently improve ... See full document

10

Production of humic substances through coal-solubilizing bacteria

... that, in reconstructed soils from closed coal mines, part of the carbon stabilized on the humified organic matter is derived from coal waste (Dick et ...community and after an increase of ligninolytic ... See full document

8

FRAÇÕES DA MATÉRIA ORGÂNICA DO SOLO NO CERRADO SOB SISTEMA AGROFLORESTAL NO NORDESTE DO BRASIL

... acids, humic acids and humin) represents the stable C pool (SPACCINI et ...2006) and it is more recalcitrant, abundant and chemically active than labile pool (JANDL et ...stability and ... See full document

14

Changes in pectins of the Xylopodium of Ocimum nudicaule from dormancy to sprouting

... tuber-like structure (xylopodium) that is dormant in winter and sprouts at the beginning of the ...spring. Changes in content of cell wall polysaccharides were shown to occur ... See full document

7

Global meaning in people with stroke: Content and changes

... meaning in people with spinal cord injury (Littooij et al., 2015) and the perceived influ- ence on processes and outcomes of rehabilitation (Littooij et ...2016). In that study, we found five ... See full document

9

Studies on the interaction between humic substances and conducting polymers for sensor application

... shift in the POEA polaronic band to higher wavelength indicating an increase of the doping level of POEA due to the action of the humic substances, which is supported by Raman spectroscopy, even for ... See full document

7

Agronomic performance and soil chemical attributes in a banana tree orchard fertigated with humic substances

... formation and maintenance, cationic exchange capacity and nutrient availability (Mbagwu & Piccolo 1989, Seyedbagheri 2010, Selim & Mosa 2012, Baldotto & Baldotto 2014, Caron et ...2015). ... See full document

8

Temporal dynamics of abundance and composition of nitrogen-fixing communities across agricultural soils.

... observed in the nifH gene based community structure, as previously reported ...[4]. In fact, we found -- through nifH gene-based PCR-DGGE analyses--that on average, around 60% of the diazotrophic ... See full document

15

Measuring and modeling the hygroscopic growth of two humic substances in mixed aerosol particles of atmospheric relevance

... setup and the measurement ...setup and of the measurement ...measured and parameterized in terms of solu- tion ...aerosols in global climate modeling identified a critical need for ... See full document

17

Carbon in Humic Fractions of Organic Matter in Soil Treated with Organic Composts under Mango Cultivation

... role in maintaining the productivity of tropical soils, providing energy and substrate for the biological activity and modifying the physical and chemical characteristics that ensure the ... See full document

11

Origin and nature of humic

... Organic elemental analyses and lnfrared analysis of humic substances In Amazon waters and soils were typical for humic substances except for the low content of ni[r] ... See full document

14

Occupational tasks and changes in the wage structure

... presented in this paper capture most of the explanatory factors suggested in the inequality literature, they do not account for the minimum wage which played an important role at the bottom end of the wage ... See full document

61

J. Braz. Chem. Soc. vol.10 número2

... HS in soil is their molecular size and the functionalities contained in the different HS fractions 2 ...HS in both soils and aquatic systems. Humic acids (HA) were fractionated ... See full document

7

Analysis of quantification methodologies for humic substances in leachates from solid waste landfills

... matter. In this study, two quantification methods were tested for two leachates generated in solid waste landfills located in Rio de Janeiro State: the Gericinó Controlled Landfill Gericinó (GCL) ... See full document

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