agriculture soil Articles

  • Nitrous oxide emission from agricultural soils

    Anthropogenic nitrogen loading, particularly fertiliser usage in agricultural soils is thought to be a potentially important source of nitrous oxide (N2O) emission, which can be controlled by properly managed fertiliser usage. In this research, laboratory scale experiments were conducted to evaluate N2O production and emission from ...


    By Inderscience Publishers

  • Soil Management for Sustainable Agricultural Productivity in Bangladesh

    Introduction: The 'rules of road' by which agricultural researchers measure the impact of their work are being restudied. The first conclusion is that it is impossible to choose between food needs of today and food needs of 100 years from now. Somehow the food ...

  • Enzyme activities and litter decomposition in agricultural soils

    Although enzyme activities were extensively investigated in soils with reference to abiotic environmental conditions and human impact, their role in litter decomposition is not fully understood. Therefore, decomposition rates and enzyme activities were studied using nylon bags and three litter types buried in silty-loamy Cambisols and Luvisols in northern, central and southern Germany under ...


  • Soils, souls and agricultural sustainability: the need for connection

    Sustainability is a contested term, and has much in common with justice and liberty in meaning very different things to different people. Typically it is the vision of the developed North that has dominated. This paper describes some of the results of a long-term research project based in Kogi State, Nigeria, designed to explore agricultural sustainability, and in particular how a Northern-based ...


    By Inderscience Publishers

  • The nitrogen balance for Catalan agriculture soils and livestock sectors

    A comprehensive assessment of nitrogen metabolism in Catalonia (NE region of Spain) has been performed by the method of Substance Flow Analysis (SFA). Being agriculture soils and livestock sectors where the human food production stands, this paper is focused in the analysis of nitrogen dynamics in these sectors. Groundwater contamination, nitrogen accumulation in transition reservoirs (landfills, ...


    By Inderscience Publishers

  • Sorption and desorption of alcohol sulfate surfactants in an agricultural soil

    Alcohol sulfates are one of the most important types of commercial anionic surfactants and may pose serious environmental problems. The present study examines the sorption behavior of alcohol sulfates in an agricultural soil using a batch reactor and column experiments. Kinetics and equilibrium isotherms of the sorption/desorption processes of alcohol sulfate homologues: AS‐C12, AS‐C14, AS‐C16 ...


    By John Wiley & Sons, Ltd.

  • Reuse: Agriculture

    Agronomic and water quality considerations Water use for agricultural irrigation is the largest component of water use in most countries and is more than 70% of human water use in drier countries. Use of recycled water for irrigation requires consideration of soil types, groundwater levels, soil and water chemistry, nutrient loads, limits on chemicals, the salt tolerance of ...


    By IWA Publishing

  • Spatial interpolation of cadmium contamination of agricultural soils in Changhua County, Taiwan

    A robust spatial model to interpolate topsoil cadmium concentrations monitored by Taiwan EPA was constructed for assessment of health risks posed by this contamination in Changhua County, Taiwan. kriging methods, using a Geographic Information Systems (GIS), were used to estimate the range and severity of topsoil contamination. Optimised Kriging models and geostatistical analyses revealed that ...


    By Inderscience Publishers

  • How a new way of thinking about soil sparked a national movement in agriculture

    For three weeks every month, Ray Archuleta captivates audiences with a few handfuls of soil. He begins with two clumps, dropping them into water. The soil from a farm where the soil isn’t tilled holds together, while the tilled soil immediately disperses, indicating poor soil structure. Next, volunteers from the audience — mostly farmers and ranchers — pour water over a soil ...


    By Ensia

  • Persistence of the tricyclic antidepressant drugs amitriptyline and nortriptyline in agriculture soils

    Amitriptyline and nortriptyline are widely‐used tricyclic antidepressant drugs. They have been detected in wastewater, surface runoff, and effluents from sewage treatment plants. As such, they could potentially reach agriculture land through the application of municipal biosolids or reclaimed water. In the absence of data on their fate in the environment, the persistence and dissipation ...


    By John Wiley & Sons, Ltd.

  • Agricultural Management Practices to Sustain Crop Yields and Improve Soil and Environmental Qualities

    Increasing crop production to feed the growing population was a major challenge to the agricultural community in the past few decades. As a result, management practices consisting of intensive tillage and high rate of fertilization were used to increase crop production. While these practices increased crop production by severalfold compared with less intensive tillage and no fertilization, little ...


  • Availability of different phosphorus forms in agricultural soil to Microcystis aeruginosa

    We investigated the availability of different forms of particulate soil phosphorus (P) to Microcystis aeruginosa by sequential extraction and bioassay. We cultured M. aeruginosa in media containing, as the sole source of P, soils sequentially extracted with 1 M NH4Cl, 0.11 M bicarbonate dithionite, 1 M NaOH, and 0.5 M HCl. Analyses of ...


    By IWA Publishing

  • The transport of three emerging pollutants through an agricultural soil irrigated with untreated wastewater

    The aim of this work was to determine the mobility of naproxen, carbamazepine, and triclosan through a wastewater-irrigated agricultural soil. Transport experiments were carried out using undisturbed soil columns taken at 10 and 40 cm depths. The mobilization of the pollutants was evaluated using two hydrological regimes transient flow for superficial columns and steady-state conditions for the ...


    By IWA Publishing

  • Use of Fat, Oil and Grease Waste as an Agricultural Soil Conditioner

    Wastewater from the food processing and food service industries can contain large quantities of fat, oil and grease (FOG). Most North American jurisdictions have bylaws limiting the concentration of oil and grease in sewer discharges. As municipal source control efforts become more aggressive, quantities of FOG waste requiring proper treatment/disposal will increase. At the same time access to ...


  • Morphological and transcriptional responses of Lycopersicon esculentum to hexavalent chromium in agricultural soil

    The carcinogenic, teratogenic and mutagenic effects of hexavalent chromium [Cr(VI)] to living organisms through food chain raise the immediate need to assess the potential toxicological impacts of Cr(VI) on human health. Therefore, the concentration‐dependent responses of 12 Cr(VI)‐responsive genes selected from the high‐throughput Lycopersicon esculentum cDNA microarray were examined at ...


    By John Wiley & Sons, Ltd.

  • Effects of biowaste compost amendment on soil microbial biomass and specific carbon turnover in agricultural soils

    The importance of biowaste compost as organic fertilisers has become more emergent in the last years due to the increased production of compost produced from biowaste. The utilisation of organic fertilisers in agriculture improves the physical, chemical and microbial properties of soils (Allievi et al., 1993; Senesi, 1989). Amendment of compost affects several soil properties positively like e.g. ...


    By ORBIT e.V.

  • Losing Soil

    In 1938, Walter Lowdermilk, a senior official in the Soil Conservation Service of the U.S. Department of Agriculture, traveled abroad to look at lands that had been cultivated for thousands of years, seeking to learn how these older civilizations had coped with soil erosion. He found that some had managed their land well, maintaining its fertility over long stretches of history, and were ...


    By Earth Policy Institute

  • Introduction of composted digestates in agriculture

    Municipal organic waste is increasingly recycled by aerobic composting or anaerobic digestion procedures. In 1997, 230 000 Mg organic waste were composted and used for agriculture in the region of Cologne, which is an increase by 70% compared to 1994 (Anonymous, 1999). Therefore, the effects of compost on the soil and the plants require studies on:- its nutrient contents to contribute to the ...


    By ORBIT e.V.

  • Biochar: forgotten agricultural nostrum

    What is biochar?  The new multifunctional products are in good request nowadays. One of such innovations is Biochar. This type of charcoal is manufactured using the low-temperature continuous pyrolysis equipment. The raw material for the recycling process is biomass (agricultural and other biological waste). Biochar origins (Terra ...


    By Polvax-Ukraine

  • How to create resilient agriculture

    Durable food security and agricultural growth depend on development strategies with resilience built in from the start, says Gordon Conway. Economic growth with resilience to environmental threats will be central to the agenda of the UN Conference on Sustainable Development (Rio+20) in June this year, which aims to map out a pathway of sustainable development for the planet. ...


    By SciDev.Net

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