Agricultural Waste Articles

  • Case study - Guangdong Academy of Agricultural Sciences (GDAAS)

    There are 13 research institutes under the GDAAS, including specific foods and crops and fertilizer research. The main mission of the institution is to carry out non-profit research around agricultural science and techniques.  As one of the most important agricultural crops institutions, the Crops Research Institute has been focusing on the development of new varieties of crops, cultivation ...


    By Geotech

  • Recycling agriculture wastes of ramie stalk as bioadsorbents for Cd2+ removal: a kinetic and thermodynamic study

    In this study, we exhibit the recycling of agriculture wastes of ramie stalk as bioadsorbents for Cd2+ removal. Based on our experimental results, it is realized that Cd2+ adsorption to ramie stalk is highly pH sensitive, indicating the adsorption is driven by surface complexation reaction. The high adsorption capacity of ramie stalk toward Cd2+ (qm = 10.33 mg ...


    By IWA Publishing

  • Transition of fertilizer application and agricultural pollution loads: a case study in the Nhue-Day River basin

    Rapid socio-economic development in suburban areas of developing countries has induced changes in agricultural waste and nutrient management, resulting in water pollution. The study aimed at estimating agricultural nutrient cycles and their contribution to the water environment. A material flow model of nitrogen (N) and phosphorus (P) was developed focusing on agricultural activities from 1980 ...


    By IWA Publishing

  • Transition of fertilizer application and agricultural pollution loads: a case study in the Nhue-Day River basin

    Rapid socio-economic development in suburban areas of developing countries has induced changes in agricultural waste and nutrient management, resulting in water pollution. The study aimed at estimating agricultural nutrient cycles and their contribution to the water environment. A material flow model of nitrogen (N) and phosphorus (P) was developed focusing on agricultural activities from 1980 ...


    By IWA Publishing

  • Convert Agriculture Waste Into Energy

    India is mainly an agricultural county and is also the largest contributors in the GDP of the country. Agriculture provides employment to a huge population of the rural India. This was not the case suddenly post-independence in India. Various steps were taken to make India as a reliable agricultural country. Steps such as green revolution were taken in several five years plan. This has made India ...


    By Jay Khodiyar Machine Tools

  • Recycling of raw corn cob residues as an agricultural waste material for ammonium removal: kinetics, isotherms, and mechanisms

    Corn cob is an agricultural by-product worldwide available in large amounts. In this study, the potential of raw corn cob as a natural lignocellulosic waste material of no economic value was investigated for the removal of ammonium ions from aqueous solution. Sorption capacities of raw granular corn cob (GCC) for ammonium ions were evaluated in simulated and actual wastewater samples. The FT-IR ...


    By Inderscience Publishers

  • One-Quarter of World’s Agriculture Grows in Highly Water-Stressed Areas

    All living creatures need two things to survive: food and water. A new WRI analysis shows just how much tension exists between those two essential resources. A new interactive map from WRI’s Aqueduct project reveals that more than 25 percent of the ...

  • Modern food supply technology `key to affordable food`

    The modernisation of farm-to-market supply chains is important for increasing farmers' income, alleviating poverty, cutting food waste and improving the affordability of food staples, according to the authors of a book. The Quiet Revolution in Staple Food Value Chains: Enter the Dragon, the Elephant, and the Tiger is a joint ...


    By SciDev.Net

  • A Commercial Case Study from A & A Worm Farm Waste System

    We were contacted by the business development manager of a large production plant that employed hundreds of employees onsite. She was looking for practical and cost efficient ways to implement the company’s new environmental policy and to improve the company’s reputation as a responsible corporate citizen. She had identified waste management as a potential area for improvement. After ...

  • Embodied Energy in the Water Cycle

    The importance and connection between energy production, energy use and water reclamation cannot be overstated. It’s primarily a relationship that was born out of our need to re-engineer nature and develop energy sources for the industrial revolution. Water power was synonymous with agricultural irrigation, industrial mills and building dams to create water storage reservoirs for potable ...


    By IWA Publishing

  • Adsorption characteristics of methylene blue onto agricultural wastes lotus leaf in bath and column modes

    The adsorption potential of lotus leaf to remove methylene blue (MB) from aqueous solution was investigated in batch and fixed-bed column experiments. Langmuir, Freundlich, Temkin and Koble–Corrigan isotherm models were employed to discuss the adsorption behavior. The results of analysis indicated that the equilibrium data were perfectly represented by Temkin isotherm and the Langmuir saturation ...


    By IWA Publishing

  • Biosorption of Methylene Blue onto spent corncob substrate: kinetics, equilibrium and thermodynamic studies

    This study focuses on the possible use of the spent corncob substrate (SCS), an agricultural waste used after the cultivation of white rot fungus Pleurotus ostreatus, to adsorb Methylene Blue (MB) from aqueous solutions. A batch adsorption study was carried out with variable solution pH, adsorption time, temperature and initial MB concentration. It was found that MB uptake was favorable at pH ...


    By IWA Publishing

  • Managing waste from confined animal feeding operations in the United States: the need for sanitary reform

    Confined food-animal operations in the United States produce more than 40 times the amount of waste than human biosolids generated from US wastewater treatment plants. Unlike biosolids, which must meet regulatory standards for pathogen levels, vector attraction reduction and metal content, no treatment is required of waste from animal agriculture. This omission is of concern based on dramatic ...


    By IWA Publishing

  • Adsorption of anionic dyes in aqueous solution using chemically modified barley straw

    An agricultural waste derived adsorbent was prepared by chemically modified barley straw with NaOH and a cationic surfactant hexadecylpyridinium chloride monohydrate (CPC). The prepared adsorbent, BMBS, was used for removal of anionic dyes; Acid Blue (AB40) and Reactive Blue 4 (RB4) from aqueous solution in a batch adsorption system. The adsorbent was characterized by FT-IR and elemental ...


    By IWA Publishing

  • Hurn court farm comes on stream

    Since their foundation some 70 years ago, New Milton Sand and Ballast (NMSB) – a wholly owned subsidiary of H.H. & D.E. Drew Ltd – have established themselves as a relatively small but highly successful regional business providing high-quality aggregate, concrete and waste solutions to meet the demands of a particular niche market – namely the smaller builders, local ...


    By CDEnviro

  • Terra Preta sanitation: re-discovered from an ancient Amazonian civilisation – integrating sanitation, bio-waste management and agriculture

    The recent discovery of the bio-waste and excreta treatment of a former civilisation in the Amazon reveals the possibility of a highly efficient and simple sanitation system. With the end product that was black soil they converted 10% of former infertile soil of the region: Terra Preta do Indio (black soil of the Indians). These soils are still very fertile 500 years after this civilisation had ...


    By IWA Publishing

  • The emergence of urban agriculture: Sydney, Australia

    Across the world the phenomenon of urban agriculture (UA) is defining itself after emerging from a mainly grass-roots response, evidenced in the Sydney Metropolitan Region by the Hawkesbury Harvest phenomenon and the Sydney Food Fairness Alliance, to powerful global forces which are negatively and paradoxically impacting on the quality of life of urban and farming communities. In the developed ...

  • The CAMBI process and agriculture, a sustainable solution?

    Abstract Both public acceptance and interest from farmers for spreading biosolids from waste water treatment plants (wwpt) on arable land, are dependent on some fundamental criteria. These criteria are, however, quite straightforward. The biosolids should be safe, easy to handle, a well documented source of plant nutrition, without disagreeable odours and easily available. A big part of the ...


    By Cambi AS

  • The localization of agriculture

    In the United States, there has been a surge of interest in eating fresh local foods, corresponding with mounting concerns about the climate effects of consuming food from distant places and about the obesity and other health problems associated with junk food diets. This is reflected in the rise in urban gardening, school gardening, and farmers’ markets. With the fast-growing local foods ...


    By Earth Policy Institute

  • Rice straw composting and its effect on soil properties

    In Egypt, recycling rice straw and organic wastes is of great concern as well as improvement of soil properties. Rice straw compost could improve both organic waste recycling and soil quality. The aim of this study was to evaluate the effect of the rice straw compost, with or without water treatment residuals (WTR), on soil chemical properties and dry weight of canola. The results showed that the ...


    By BioCycle Magazine

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