Azolla pinnata was planted at 505010 cm (WLH) soil pools coated with plastic sheets. <>/Border[0 0 0]/P 5 0 R>> Crit Rev Microbiol. Denoted as: HA-TRM. <>/Border[0 0 0]/P 5 0 R>> 96, 1057-1061. 2000. 2017 Feb;24(4):3315-3335. doi: 10.1007/s11356-016-8104-0. 2019 Aug 5;65(6):22-27. Campitelli, P., Ceppi, S. 2008a. 1994. Together, this study provides the first comprehensive analysis of bacterial and fungal communities of BSF gut across untreated substrates and highlights conserved members, potential pathogens, and their interactions.
Senesi, N., Plaza, C., Brunetti, G., Polo, A. The peak positions of both peaks for HA-VMR (6 and 10 respectively) are similar than the other amendments HA analyzed indicating that the acidic strength do not change significantly along the process. Through these analytical techniques was possible to follow the evolution of the HA-like fraction during this stabilization-maturation process. Part 1. Senesi, N., Brunetti, G. 1996. Molecular structure in soil humic substances: the new view. or HPLC) chemicals and ultra pure water. f-@$C:U$v9{W!b bGMq~$c`SNw {
Enhancing the value of rabbit manure by Ral Moral (University Miguel Hernndez, Spain), Recent advances in artificial insemination by Pilar Viudes (Instituto Valenciano de Investigaciones Agrarias, Spain), The necessary transition of rabbit farming in Europe. Environ Sci Technol. Composting-vermicomposting of leaf litter ensuing from the trees of mango (Mangifera indica). Lastly, the discussions on various soil fertility issues related to agricultural land. Senesi, N. 1989. *oPGnd^*Zu,j^oi9;>'OWBd3M4 These changes could indicate a variation in the charge/mass ratio of each compound or fractions, and thus an evolution of the HA-like fraction toward a less chemical heterogeneity, also in agreement with that observed in d-Q/dpH curve (Figure 1b). Bookshelf The aim of this work was to evaluate, through different analytical techniques, the evolution of some chemical and physicochemical properties of humic acid (HA)-like fraction extracted from an organic amendment, like rabbit manure, handle with composting followed by vermicomposting process, in comparison with soil HA, in order to reach an appropriate criterion to evaluate the maturity of an organic amendment. <>stream H\@}9s1DU#QI$xoa6~!v#e=];8s5c/m-q7jtMz}V.6MYmlvk{|v>5v[5}5|>rhvz31DWK}oCU.1+Z=],vxtWcVb>+YWo[3=f%y .=X 77Mba W+ 17 0 obj J Chromatogr A. 139, 397-406. Evaluation of sewage sludge-based compost by FTIR spectroscopy. Potential of capillary zone electrophoresis for estimation of humate acid-base properties. Determination of maturity indices for city refuses composts. FOIA principal acidic groups (carboxylic and phenolic) in comparison with those of HA-S. Nm24oo%vjQ}$vB4*KCAv^/^52:%/3jsiPE?p0P,4`dLgF_2{ H1(!_*O%b)Um#F?6#>pK$vJvYhRh#91{ZS&SO}D|Tw32Q q>O3yU)'`>bH At the end of the vermicomposting process (210 days named VRM) 10 sub samples were collected at 25 cm depth in the worm bed, and then mixed to obtain the composite sample. The smaller absorbance observed in HA-VRM in comparison with the HA-S value; indicate lower con-. 100, 5444-5453, Bustamante, M.A., Paredes, C., Marhuenda-Egea, F.C., Prez-Espinosa, A., Bernal, M.P., Moral, R. 2008 Co-composting of distillery wastes with. (Lguirati et al., 2005; Droussi et al., 2009). 23 0 obj These characteristics are in agreement with that shown by the other analytical techniques employed to study these humic acids. 9 0 obj Integrated plant nutrient system - with special emphasis on mineral nutriton and biofertilizers for Black pepper and cardamom - A review. In this research,chicken, horse, sheep and rabbit manure from one of the farms inthe Belgorod region of Russia were analyzed, and the parameters of a biogas station for the processing of this raw material were calculated.The biogas yield of the substrates was determined using the Hohenheim Biogas Yield Test. In order to verify the pKaap values obtained using the first derivative of the charge vs. pH curves (d-Q/ dpH), the experimental data was fitted to a modified Henderson-Hasselbalch function describing the proton binding by two classes of binding sites, strong acidic site (carboxylic groups) and weak acidic site. J of Chil Chem Soc. 3.1 Chemical properties and humification parameters, The pH value was similar for TRM and CRM. 2018 Oct;25(28):28403-28412. doi: 10.1007/s11356-018-2845-x. For these HA analyzed the average Pkapp value are. The charge development of HA isolated from the different ages of the organic amendment (HA-TRM, HA-CRM and HA-VRM) are lower than that of HA-S and increase with process time. AbstractThe current study was conducted to assess whether organic fertilisation could replace mineral fertilisation in lettuce production without adverse effects on yield, quality, and postharvest behaviour. Pognani, M., Barrena, R., Font, X., Adani, F., Scaglia, B., Sanchez, A. The pH values were measured with an Orion Research 901 pH meter equipped with a glass-combined electrode (Orion 9103 BN). J. Braz. J Environ Manage. 22 0 obj 'A a)DL"FLe@=HAHZZ:ukff"$-IPv\./^vG%Yc ZibNsfadj}_ }
15 0 obj 72, 551-557. To obtain the E4/E6 ratio, the absorbance at 465 nm and 665 nm was measured using Spectronic 20 Ge-nesys Spectrophotometer on solution containing 3.0 mg of each HA in 10 mL of 0.05 mol L-1 NaHCO3. Gajalakshmi, S., Ramasamy, E.V., Abbasi, S,A. This behaviour suggest that the HA-like fraction is under a less oxidative stage in which an homogeneous degradation of C compounds or a neosynthesis of polysaccharides could take place (Sen and Chandra 2007; Plaza et al, 2008; Lazcano et al, 2008). 56, 8-16. Effects of long-term soil amendment with sewage sludges on soil humic acids thermal and molecular properties. Epub 2019 May 16. Compared with conventional fertiliser and other organic treatments, plots receiving rabbit manure showed a lower weight loss and microbial load on fresh lettuce head. Measurements made were pH of the media, area of cover, yield (g weight of dry matter) and crude protein content of Azolla. Effect of native growth promoting bacteria and commercial biofertilizers on growth and yield of wheat (Triticum aestivum) and barley (Hordeum vulgare) under salinity stress conditions. 8 Fertilizing with rabbit or poultry compost was the best in improving Azolla production and crude protein content. <>/Border[0 0 0]/P 5 0 R>> The carbon content of humic substances (CHS), humic acids (CHA) and fulvic acids (CFA) were determined according to the technique proposed by Syms and Haby (1971). Samples pH TOC TN %chs* %cha* %cfa* C /C ha fa C/N, Soil 6.40 28.4 2.0 35.9 17.9 18.0 0.9 14.2, TRM 9.23 a 620.5 a 20.6 a 3.05 a 5.80 b 7.25 b 0.8 a 30.1 a, CRM 9.15 a 403.7 b 14.9 b 4.02 b 6.69 c 3.72 a 1.8 c 27.0 b, VRM 8.51b 379.7 c 14.2 b 7.64 c 4.78 a 3.16 a 1.5 b 26.7 b. CFA are calculated as function of TOC. H\n0=Wes"!Ph\ MLiQH$~VVj|2r_`?k}9G_G:aNw}9vxp
oOzmss}}7Y>ov0lLO};vhi{;}YMJ+ The Science of composting. _O6|trz*5XS"*
HD?_pYcSYgMB\j2R,^f)*$gnyAdPB2K#Uo$)} B80~8KwJ(0Al 5P6 28, 813-820. Application of rabbit manure biofertilizer and biochar (T2) gave the highest plant height, number of stalks and leaves Indigofera of 45.684.18 cm, 35.801.03 stalk, and 128.511.65 leaves, respectively. In recent years, farmers in Codo village have developed rabbit farms. endobj 69, 1446-1453. 67, 85-96. 7 0 obj Figure 2: Electropherograms of acids extracted from rabbit manure at thermophilic phase (HA-TRM) treated with composting (HA-CRM) followed by vermicomposting process (HA-VRM) and soil (HA-S) in buffer borate 20mM (pH=9.3), the concentration of the AH solutions were 1000 ppm. 12 0 obj 18 0 obj Biores Technol. endobj animal manures: Carbon and nitrogen transformations in the evaluation of compost stability. degree. Caricasole, P., Provenzano, M.R., Hatcher, P.G., Se-nesi, N. 2011 Evolution of organic matter during composting of different organic waste assessed by CPMAS 13C NMR spectroscopy. Sci Total Environ. The decreasing in TOC was about 35% between the thermophilic phase and the composting process and during the vermicomposting process the loss of TOC was lower (~ 6%). (2003), which is briefly: HA solution of each samples were prepared by dissolving HA (= 50 mg) with minimum volume of NaOH solution (0.1 mol L1) and adding water up to the final volume (50 mL). Blackie Academic & Proffesional, Glasgow. Sci.
Total organic carbon (TOC) and total nitrogen (TN) in the sample at thermophilic phase (TRM) was high, however, both contents decreased after the vermicomposting process (Table 1). Humic acids-like fractionin raw and ver-micomposted winery and distillery waste. Proper strategy is needed to solve the problem. The ratio CHA/CFA (Table 1), also known as "degree of polymerization or polymerization index", increase during the composting process (90 days), reflecting the formation of complex molecules (CHA) from simpler one (CFA) and the occurrence of synthesis of organic compounds resistant to microbial degradation (Plaza et al, 2008). %PDF-1.4
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<> Information provide on humic substances by E4/E6 ratio. 8
It is our view that the production and use of biofertilizers are a reliable alternative to deal with a solid waste problem while food security is increased. J. 302_6 HEAVY METAL REMOVAL BY ZEOLITE IN TOMATO CULTIVATION USING COMPOST, 302_7 THE RUTGERS STRATEGY FOR COMPOSTING: PROCESS DESIGN AND CONTROL, 302_8 EFFECT OF AERATION RATE ON OXYGEN CONSUMPTION RATE OF COMPOST, 302_9 COMPOSTING PLANTS: CONCEPTION CRITERIA FOR CONCILIATION OF TREATMENT AND MARKETING REQUIREMENTS, 302_10 THE PROBLEM OF SEWAGE SLUDGE MANAGEMENT OF PSITTALIA'S ISLAND WASTEWATER TREATMENT PLANT, IN ATTICA, 302_11 COMPOSTING OF SEWAGE SLUDGE AND STRAW: LABORATORY SCALE SIMULATION AND EVALUATION OF SELECTED TEMPERATURES AND EFFECT ON COMPOSTING PERFORMANCE, 302_12 COMPOSTING STUDIES USING SEPARATED FRACTION OF URBAN WASTE FROM THE BYKER RECLAMATION PLANT, NEW CASTLE, UNITED KINGDOM, 302_13 PILOT AND FULL-SCALE EXPERIENCES ON SLUDGES AND SOLID WASTES COMPOSTING, 302_14 A LOW COST CONTROLLED WINDROW SYSTEM, 302_16 INTERNATIONAL SOCIETY FOR HORTICULTURAL SCIENCE, 302_17 COMPOSTING OF THREE KINDS OF RESIDUES OF VERY DIFFERENT ORIGIN, 302_18 EFFECT OF TOWN REFUSE COMPOST AS SOIL AMENDMENT ON GREENHOUSE TOMATO CROP, 302_19 COMPOSTING SEWAGE SLUDGE WASTES IN RELATION TO THEIR SUITABILITY FOR USE AS FERTILIZER MATERIALS FOR VEGETABLE CROP PRODUCTION, 302_20 THE USE OF COMPOST AS A SOIL AMENDMENT, 302_21 EVALUATION OF COMPOSTED SEWAGE SLUDGE/STRAW FOR THE RECLAMATION OF DERELICT LAND: THE RECLAMATION OF COLLIERY SPOIL, 302_22 WASTE MATERIALS AS POTTING MEDIA FOR OLIVE GROWTH, 302_23 A COMBINED PROCESS FOR FASTCOMPOSTING, BIOTECHNOLOGICAL CO2 PRODUCTION AND UTILIZATION OF HEAT LOSS FOR HORTICULTURE, 302_24 CHEMICO-PHYSICAL AND BIOLOGICAL PARAMETERS FOR EVALUATING COMPOST QUALITY, 302_25 NITROGEN MINERALIZATION STUDY IN COMPOST, 302_26 RESEARCH OF THE MARKET AND MANAGEMENT OF THE ORGANOHUMIC MATERIALS IN THE ATTIKA AND BOEOTIA REGION, GREECE, 302_27 MICROBIAL STARTER CULTURES FOR DIRECTED COMPOSTING, 302_28 ELIMINATION OF CUCUMBER GREEN MOTTLE MOSAIC TOBAMOVIRUS BY COMPOSTING INFECTED CUCUMBER RESIDUES, 302_29 ECONOMIC EVALUATION OF COMPOST USE: SHORT-TERM RESULTS ON A MAIZE CROP, 302_30 THE USE OF ORGANIC WASTE MATERIALS AS ORGANIC FERTILIZERS - RECYCLING OF PLANT NUTRIENTS, 302_31 URBAN SOLID WASTE PROCESSED BY MEANS OF COMPOSTING AND INCINERATION WITH ENERGY RECOVERY, 302_32 ENHANCED DIRECT COMPOSTING OF SLUDGE IN A VERTICAL BIOREACTOR, 302_33 THE POSSIBLE USE OF A PHYTODEWATERED SEWAGE SLUDGE AS SUBSTRATE, 302_34 CO-COMPOSTING AS ULTIMATE STEP FOR RECLAIMING DIGESTED ORGANIC FRACTION OF MUNICIPAL SOLID WASTE AS AGRICULTURAL FERTILIZER, 302_35 VEGETABLE RESIDUES FROM GARDEN/PRODUCE MARKETS AS RECYCLABLE BIOMASS FOR HIGH-QUALITY COMPOST PRODUCTION, 302_36 DEVELOPMENT OF A METHOD FOR THE ISOLATION OF LISTERIA MONOCYTOGENES FROM COMPOST, 302_37 HEAVY METAL SPECIATION IN COMPOST WITH A VIEW TO ITS AGRICULTURAL USE, 302_38 INFLUENCE OF MSW DERIVED COMPOST ON RHIZOBIUM TRIFOLII AND THE VA MYCORRHIZAL ENDOPHYTE GLOMUS MOSSEAE IN A LOW FERTILITY SOIL. Plaza, C., Nogales, R., Senesi, N., Benitez, E., Polo. 1961 Jul;36(4):405-8 - HA extracted from composted manure. 207 0 obj
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HA extracted from all organics amendments analyzed (HA-TRM; HA-CRM; HA-VRM) have H/C ratio higher than that observed for HA-S, suggesting that the humification period is not complete. CZE conditions: voltage of -10kV, injection hy-drodynamic 5000 Pa for 60 s, detection at 243 nm, fused-silica capillary, 81.7 cm total length, 75 ^m i. d. (effective length 73.2 cm). <> Results show that average density of different phytoplankton classes is higher in treatment T5 (7.91 108 6.78 107 cells/L) followed by T4 (5.56 108 4.27 107 cells/L), T2 (3.87 108 3.10 108 cells/L), T3 (3.79 108 3.18 108 cells/L, with high significant difference (F (4,84) = 5, 35, p < 0.00). Enhancement of the biogas and biofertilizer production from Opuntia heliabravoana Scheinvar. The polarity was negative, voltage of -10kV, temperature 250C, total run time 20 min (for time migration higher than 20 min no significant peak were observed). The HA-CRM, present the peaks positions at pH 6 and 10, corresponding to strong and weak acidic site, respectively.
Our results indicated that all sources of organic fertiliser significantly increased total nitrogen, organic carbon, total fungi, and bacteria contents of soils compared with mineral fertiliser. Chemical and physico-chemical parameters for quality evaluation of hu-mic substances produced during composting. BGE was buffer borate 20 mmol L-1 at pH=9.3, the concentration of the HA solutions were 1000 ppm.
It was found that the specific biogas yield from the droppings of broilers, laying hens, rabbits, sheep, and horses, and from corn silage were, respectively, 456, 363, 390, 189, 116 and 618 ml/g DM. The capillary was treated before each sampling injection, as following, pre-condition: 2 min with NaOH 0.1 mol L-1 at 104 Pa, followed by washing with BGE for 3 min at 104 Pa, and finally waiting for. NvNeW{{vL-o,wVg27~ They got information about the quality of rabbit manure compost and its impact on agricultural land. Chen, Y., Senesi, N., Schnitzer, M. 1978. yb{f'4NN'n?^zvr> Z\ The HA extracted after the composting phase (HA-CRM) shows a decrease of the ratio H/C in comparison with HA-TRM, probably due to a loss of aliphatic chains, initially present in HA-TRM. The methane content in the biogas was 58.00, 58.50, 57.00, 62.00, 65.00 and 53.60%, respectively. The ScienceGate team tries to make research easier by managing and providing several unique services gathered in a web platform. 2016 May;42(3):439-53. doi: 10.3109/1040841X.2014.958433. -, Plant Physiol. Rabbit and chicken manure fertilisers resulted in a significant increase in yield. }w/viyZ!tRsd
;8e%i)'"Ef/>(NdqN0|L?~+%\9E*> &|, "y,jDI@ `xL $3 e#'eSHf16Xuf@V>ucD;J!oPW* Y^-Y4mR9T !|DOM,@! Biores Technol. culated by difference: O%= 100 - (C+H+N+S) % (ash and moisture-free basis). The low production of Azolla is caused by the suboptimal use of fertilizers. The electropherograms of all HA-like fraction analyzed shown one principal peak at = 10 min, suggesting that this would be a main structure which behaves as sink of the other carbon compounds present in the raw material, and in this way leads the HA-like fraction toward a supramolecular structure similar to HA extracted from natural soil. A commercial speech on Building immunity for a healthier world was also presented by Sandra Gascn (Hipra). According to these results, treatments T2 (600 g/m3), T3 (900 g/m3) and T4 (1200 g/m3) of dry rabbit manure are those worthy to be recommended as an alternative for a low cost massive production of multispecies freshwater algae that can be easily used by freshwater zooplankton and macroinvertebrates. when the HA-like fraction evolves in order to have similar characteristics as soil HA. 80, 58-65. Biofertilizers: a potential approach for sustainable agriculture development. government site. Monitoring the organic matter proprieties in a combined anaerobic/aerobic full-scale municipal source-separated waste treatment plant. 0e"Vv~`QNy.v=N11uu+ Journal of Soil Science and Plant Nutrition 2012, 12 (4), 875-891, Characterization of humic acids derived from rabbit manure treated by composting-vermicomposting process, 'Departamento de Recursos Naturales, Facultad de Ciencias Agropecuarias, Universidad Nacional de Crdoba, CC 509 -5000 Crdoba, Argentina. endstream
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This behaviour could be due since the vermicomposting led to homogeneous degradation of all types of C compounds, with no selective accumulation of any preferential form, and thus increase the total extractable organic C in alkaline solution (Sen and Chandra 2007; Plaza et al, 2008). Contribution of capillary electrophoresis to an integrated vision of humic substances size and charge characterizations. Effect of foliarly applied iron compounds on development of strawberry plants. The four main talks were mainly focussed on In-farm composting. Chemometer Intell.Lab. hVmoH+DZ!QnQp!6:$-=3-g 2S:Ik3@3dfBxdVeB M9X3|Yv
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Disclaimer, National Library of Medicine endobj De Moraes, S.L., Rezende, M.O.O. Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Environ Technol. Lasaridi, K., Protopapa, I., Kotsou, M., Pilidis, G., Manios, T., Kyriacou, A. Nederlof, M.M., van Riemsdijk, W.H., Koopal, L.K. The electropherogram corresponding to HA-CRM presents a better definition than the HA-TRM (Figure 2). Genesis, composition, reactants. However, Senesi (1989) and Iglesias-Gimenez and Perez-Garcia (1992) have suggested that a ratio CHA/CFA greater than 1.6 indicate a good maturity degree achieved by the organic matter. Due to the beneficial properties that would produce the HA-like fraction, the most stable fraction of the HS, their characteristics are suggested as a quality parameter (Smidt and Tinter 2007; Senesi et al, 2007). <>/Border[0 0 0]/P 5 0 R>> Total nitrogen content (TN) in soil, and organic amendments were obtained by the Kjeldahl method. strong and weak acidic sites). The humification parameter, the % CHS , slightly increase during the composting phase (90 days), and through the vermicomposting period the CHS content is about 50% greater than in composted material (CRM). endobj H\0>E ]* tbxh6kvA'BV9-f5M]"04]6Q&0:;ZO+Wpt=eB;>>okpp}[4zCPu`'~0
413, 209-214. endobj (2008). humic acids (HA)-like and fulvic acids (FA)-like fraction in the organic amendment, in comparison with the properties of native soil HA and FA (Senesi et al 2007; Droussi et al, 2009). 1 min. Composting enables sanitization of the waste and elimination of toxic compounds, and the subsequent vermicomposting reduce particle size and increases nutrient availability (Lazcano et al., 2008). endobj The change in the charge development in this range of pH, for the HA analyzed, was similar to that observed for the former acidic groups. Fernandez, J.M., Hockaday, W.C., Plaza, C., Polo, A., Hatcher, P.G. Total run time 20 min (for time migration higher than 20 min no significant peak were observed). 24 0 obj endstream The effectiveness of the biofertilizer was significantly modified by the mode of application, the growth stage of the crop, and the dose of biofertilizer applied. The solid lines were calculated on the basis of the sixth polynomial equation (with R2 values exceeding 0.999 in all cases). Charge development and acid-base characteristics of soil and compost humic acids. The raw material used was rabbit manure treated with composting followed by ver-micomposting process. 98, 3221-3227. 90, 64-71. <>/Border[0 0 0]/P 5 0 R>> endstream
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Enter your International Society for Horticultural Science e-mail or user number. <>/Border[0 0 0]/P 5 0 R>> However, the amount and quality of humic like substances (HS) in an organic amendment are considered as important marker of its maturity, a guarantee for a safe impact and successful performance in soil (Xiaowei Li et al., 2011). This behaviour could be used as a marker of the humification process, taking place during the stabilization-maturation process. endstream
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Evolution of organic matter in full-scale composting plant for the treatment of sewage sludge and biowaste by respiration techniques and pirolisis-GC/MS Biores Technol. <>/Border[0 0 0]/P 5 0 R>> Bernal, M.P., Alburquerque, J.A., Moral, R. 2009 Composting of animal manures and chemical criteria for compost maturity assessment. Composting involves the accelerated degradation of organic matter by microorganisms under controlled conditions, in which the organic material undergoes a characteristic thermophilic stage that allows saniti-zation of the waste by the elimination of pathogenic microorganisms. 278934/MASTER ACADEMIC SCHOLARSHIP CONACYT/United States, Bioresour Technol. 2007. Would you like email updates of new search results? Lguirati, A., Ait Baddi, G., El Mousadik, A., Gilard, V., Revel, J. C., Hafidi, M. 2005 Analisys of hu-mic acids from aerated and non-aerated urban landfill compost. Based on the results, it can be concluded that to dispose of the animal excrement of this farm, it is necessary to build a biogas plant with a bioreactor of volume 102.2 m3 and an engine with a power of 12 to 31 kW. endobj p$stccEwIUaF. The height of the first maximum is about 35% higher than those observed in HA-CRM; while, the maximum corresponding to weak acidic sites (phenolic groups) increase about 20%, that is in agreement with that observed by Plaza et al. 8_fr.`VGm}iGv]/_kA S-~8|@tEt#XXNi\k?iy3b:1P;,QZOk*Hv9&aG\5)>R]##||BIREIG=:ZAE T0u6FECel>12&l
#?iet+:cq*:{WW\g!d?" 302_5 SOIL FERTILITY IMPROVEMENT AND POLLUTION RISKS FROM THE USE OF COMPOSTS REFERRED TO N, P, K AND C BALANCE. This site needs JavaScript to work properly. 11 0 obj Biores. Moreover, rabbit manure significantly reduced polyphenol oxidase and peroxidase activity. 38, 331-343. Application of differential scanning calorimetry (DSC) to evaluate the quality of compost organic matter. Animal wastes present health and environmental risks and should be treated accurately. endobj Biores Technol. Enter the email address you signed up with and we'll email you a reset link. N/C ratio in all HA studied are greater than the value for HA-S, probably due to the incorporation of N-compounds present in rabbit manure, like proteina-. 2019 Sep 10;682:475-484. doi: 10.1016/j.scitotenv.2019.05.123. Organic matter humification by vermi-composting of cattle manure alone and mixed with two-phase olive pomace. HSn0?&%E4kv[klA%mI[e
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c_M/o1x.M(Ho $h+0fWM[ta OY/32u_6uVo*;9oaduO6M;o_ge5e4v@v8M0sHFU 1 A practical view by Jess Lpez (Grupo Editorial Agrcola-Henar Comunicacin Agroalimentaria, Spain). Hydrolytic enzyme activities of extracted humic substances during the vermicomposting of lignocellulosic olive waste. 14 0 obj The treatments consisted of T0 (chicken manure biofertilizer as control), T1 (biochar), and T2 (biochar + rabbit manure biofertilizer). Then, the pile was spread out in ground beds (1m x 10 m) and inoculated on the first 15-20 cm depth with about 500 g m-2 earthworms (Eisenia foetida). The final stages of vermicomposting process would involve several changes and transformation in the chemical structure of the organic matter. The raw material used was rabbit manure treated with composting followed by vermicomposting process. endstream
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The HA showed, also, a small or developing peaks at more acidic pH values (< 4), indicating, probably, a presence of stronger acidic sites. endobj The acidic site content obtained by the determination of the areas under each peaks of the d-Q/dpH curves are shown in table 3. Denoted as: HA-VRM. Capillary Electrophoresis (CE): a Powerful tool to characterize humic acids (HA). All titrations were performed in KCl 0.01 mol L-1 as background electrolyte. Chemical, physical and biological compost and vermicompost characterization: A chemometric study.
Thermal analysis for the evaluation of the organic matter ecvoluton during municipal solid waste aerobic composting process. centration of this fraction in the HA-VRM. Table 2: Elemental composition (ash and moisture-free basis), H/C, N/C, O/C (atomic ratios) and E4/E6 ratio of the HA studied. 46-48, Romero, E., Plaza, C., Senesi, N., Nogales, R., Polo, A. 2008. x^:;}Ske.~v\_W F~3X
2008. HU[o0~8bv8J]Fxb"oBYmAi;>BOQ632 CE! Journal of Hazard Mater. The treatments were: paddy mud (K0), paddy mud + poultry composts (K1), paddy mud + compost rabbit manure (K2) and paddy mud + compost goat manure (K3). Co-composting of sludge from olive mill waste water mixed with tree cuttings. Through the first derivative of the -Q versus pH curves (-dQ/dpH) obtained from the titration curves smoothed with the polynomial equation (Figure 1b), is possible: i) to obtain the apparent proton-dissociation constant (Pkaap), ii) to analyze the chemical heterogeneity of each class of acidic group present in the HA macromolecule, iii) to estimate the concentration of each set of acidic groups by calculation the area, under each peak and iv) to estimate the buffer capacity developed by each class of acidic site (Nederlof et al., 1994; Koopal et al, 2005; Campitelli et al., 2006; Campitelli et al., 2008b). Composted materials as organic fertilizer. In: de Bertoldi M. et al. This behaviour could suggest that the organic amendment at the thermophilic stage (TRM) progress towards a relatively stable humus like end-product through a bio-oxidative, mineralization and humification processes in which the unstable organic matter is partially transformed through decomposition, resyntesis and polymerization reactions. " jM3\|.+#]]M9.Q]U@}{d)k|v{}{\) rM
314, 484-489. SOME ENVIRONMENTAL IMPACTS OF WATER MANAGEMENT AND UTILIZING FARM WASTE AT THE WESTERN DESERT OF EGYPT. Before Espaa. Therefore, the need for more environmental sound methods for the treatment and utilization of animal manure has become imperative (Ko et al., 2008). This study aims were to determine the type of manure (composted manure from poultry, goats, and rabbit) which was the most optimal in producing Azolla. Biores Technol. 1971. Mahanty T, Bhattacharjee S, Goswami M, Bhattacharyya P, Das B, Ghosh A, Tribedi P. Environ Sci Pollut Res Int. The atomic ratio H/C for HA extracted after the vermicomposting process (HA-VRM) presents a slight increase with respect to the HA-CRM, indicating less condensed or less substituted aromatics rings than HA-CRM (Chai et al., 2007; Plaza et al., 2008). Pile moisture was controlled weekly by adding enough water to obtain moisture content not less than 50 % in composting phase. endobj *Corresponding author: *"Silvia Ceppi: sceppi@agro.unc.edu.ar. -, Appl Environ Microbiol. 67, 103-111. Geoderma. Kononova, M.M. endstream
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Second, the counseling about the importance of using organic fertilizers for soil fertility. presence of different fractions or compounds, with a low Q/m ratio, (polysaccharides, aliphatic fractions, N compound) having close electrokinetic behaviour which cannot be separated by CZE, The most important peak can be observed at time migration = 10 min with a shoulder at = 11 min and a peak with a low absorbance can be observed at = 16 min, indicating the presence of many fractions with different charge/mass ratio and thus, different electrokinetic mobility.
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