composting Articles
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Co-composting of poultry manure with low quantities of carbon-rich materials
To study the feasibility of co-composting poultry manure with low quantities of high-value, carbon-rich materials experiments to characterize three pilot-scale piles were carried out. The piles comprised poultry manure (pile 1), poultry manure and straw (pile 2) and poultry manure and sawdust (pile 3), using wood chips as bulking agent. Pile 1 presented the highest losses of organic matter and ...
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Characterisation of humic acid maturation by fluorescence spectroscopy and thermal analysis during composting of olive mill waste
Humic acids isolated from different stages of olive mill waste composting were investigated by Elemental analysis, Fluorescence spectroscopy and by Differential Scanning Calorimetry (DSC). The Elemental composition of these humic acids indicates an increase in aromatic structures during the composting. Indeed, the fluorescence results showed an increase in condensed aromatic ring systems. ...
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Removal of humic acid from composted hog waste by the white-rot fungus,
Phanerochaete chrysosporium The potential hazards of humic acid (HA) associated with hog waste effluent, coupled with increasing awareness of environmental problems, have prompted many countries to control disposal of effluents into water bodies and to maximize removal of HA. Here we employed the white-rot fungus, Phanerochaete chrysosporium, to degrade the HA in composted hog waste effluent, evaluated by the response ...
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Effect of implementing organic farming on chemical and biochemical properties of an irrigated loam soil
Conventional agriculture can lead to reduced soil organic matter and depletion in soil fertility. For that reason, Food and Agriculture Organization of the United Nations (FAO) recommends organic matter incorporation to soils to increase their agronomic quality. This work studies the effect of the transition to organic farming on chemical and biochemical properties of a loam soil (Xerofluvent), ...
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The role of natural purified humic acids in modifying Mercury accessibility in water and soil
Received for publication April 17, 2008. Contamination of soils with mercury can be a serious problem. It can be mobilized or stabilized by humic substances (HS) containing binding sites with reduced sulfur that can have different binding capacities for CH3Hg+ and for Hg2+. In this work we investigated the influence of different humic acids (HAs, extracted from lignite, compost, and forest soil) ...
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Characteristics of granulation technology of wet organic fertilizer granulator
Wet organic fertilizer granulator is designed and manufactured by a new process of wet continuous push rod granulation. This organic fertilizer granulation machine can not only granulate a variety of organic matters, especially for coarse fiber materials which are difficult to be granulated by conventional equipment, such as crop straw, wine residue, fungus residue, medicine residue, animal ...
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Cow dung organic fertilizer production line realizes the utilization of manure resources
With the improvement of people's living standards in my country, people's requirements for the quality of agricultural products and the environment of origin are getting higher and higher. Organic food, ecological food, and green food will gradually occupy the high-end market. Therefore, the era of reducing the use of chemical fertilizers and pesticide pollution and vigorously developing ...
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