Soil Preparation Articles

  • Changing climate changes soils

    Varied predictions for soil organic matter as climate changes The hottest months. The snowiest winters. Catastrophic floods and droughts. Climate change impacts lives across the world in drastic and unpredictable ways. This unpredictability also extends to the more subtle – yet still important – effects of climate change. For example, it is ...


    By American Society of Agronomy

  • Getting Down to the Roots: Why Soil Matters for Climate Stabilization (and More)

    Following 2015’s designation as the International Year of Soils by the UN Food and Agriculture Organization, soil carbon sequestration is experiencing something of a renaissance among policy and scientific circles. Farmers are also getting involved, most recently through the Climate Leaders program of the National ...


    By The Climate Trust

  • Historic record of pasture soil water and the influence of the North Atlantic Oscillation in south-west England

    The North Wyke Farm Platform for sustainable grassland research in south-west England contains infrastructure measuring soil moisture and field runoff. Its time series of sensor data is used to validate the parsimonious SH2O-NW model for soil water at field-scale. Thirty-four years of daily soil moisture and runoff is simulated, and used to detect long-term trends and produce a risk analysis. ...


    By IWA Publishing

  • Effect of thermal and alkaline pretreatment of giant miscanthus and Chinese fountaingrass on biogas production

    Giant miscanthus (Miscanthus×giganteus) and Chinese fountaingrass (Pennisetum alopecuroides (L.) Spreng), cultivated for landscaping and soil conservation, are potential energy crops. The study investigated the effect of combined thermal and alkaline pretreatments on biogas production of these energy crops. The pretreatment included two types ...


    By IWA Publishing

  • Simulation of sugarcane yield under salinity and water stress conditions with the OPDM model

    Limitation of water resources and decline in the quality of soil and water have led to the use of saline water and application of management systems for reducing irrigation water. The subject of this study was to determine the effect of salinity and water stress on sugarcane yield in Iran with an operational and planning distribution model (OPDM) for 7 years (2002–2008). Irrigation scenarios ...


    By IWA Publishing

  • 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

  • Seeds of change in sub-Saharan Africa

    In the late 1900s, as per-acre grain yields moved to 3 metric tons per hectare in South and Southeast Asia and Latin America, 5 metric tons per hectare in China, and 10 metric tons per hectare in North America, Europe and Japan, there’s one place where production stagnated big time: sub-Saharan Africa, where loss of soil fertility on small farms trapped grain production at an unsustainable ...


    By Ensia

  • Geotex® 801 Soil helps tame road through the wilderness case study

    The National Wild Turkey Federation has over 800,000 members that are involved with maintaining camps and grounds across the United States. This requires traversing un-paved roads in order to gain access to remote areas, while complying with wildlife agencies rules and regulations. This particular hunting ground posed significant challenges. The best solution to the problem of soft soils and a ...

  • Irrigation challenges in the sub-humid US Mid-South

    Irrigated area in the Mid-South USA continues to increase and now totals four million ha. Because of low available water holding capacities and shallow root-limiting layers in many soils, irrigation management is difficult. Water quality and water use efficiency impacts under irrigation are poorly understood, but comprehension is necessary if conversion from groundwater to surface water supplies ...


    By Inderscience Publishers

  • In-situ soil moisture conservation: utilisation and management of rainwater for crop production

    The salient results of in-situ soil water conservation technologies that have been found suitable for increasing soil moisture in the arid and semiarid lands of eastern Kenya are reviewed. The results showed that Zai pits, tumbukiza and deep tillage when used together with soil fertility improvement can increase crop yields by 4–10 times in comparison to conventionally ...


    By Inderscience Publishers

  • 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

  • Effects on macronutrient contents in soil-plant irrigated with different quality waters and wastewaters

    The goals of this research were focused on investigating the effects of irrigation with untreated wastewater, ozone-enhanced primary treated wastewaters (O3EPTW), tap water and tap water + fertilizer on the macronutrient content in soil and plant tissues. The effect on plant development was evaluated by growing Lactuca sativa in soils irrigated with these different quality ...


    By IWA Publishing

  • Sorption and degradation of wastewater-associated pharmaceuticals and personal care products in agricultural soils and sediment

    Pharmaceuticals and personal care products (PPCPs) have drawn popular concerns recently as an emerging class of aquatic contaminants. In this study, adsorption and degradation of four selected PPCPs, metronidazole, tinidazole, caffeine and chloramphenicol, have been investigated in the laboratory using two agricultural soils in China and sediment from Changjiang River. Adsorption tests using a ...


    By IWA Publishing

  • Bentonite for ciprofloxacin removal from aqueous solution

    Ciprofloxacin hydrochloride (CIP) is the second generation of fluoroquinolone antibiotics whose residues are found in wastewater and surface water. CIP has high aqueous solubility under different pH conditions and high stability in the soil system. In this study, bentonite was used as a potential sorbent for the removal of CIP from aqueous solutions using batch experiments. The effects of ...


    By IWA Publishing

  • Review: Effects of olive mill wastewater application on soil properties and plants growth

    Comparative effects of untreated olive mill wastewater (UOMW), treated olive mill wastewater (TOMW) and bioaugmented olive mill wastewater (BOMW) on soil properties, on seeds germination and on plants growth were investigated. The water holding capacity, the salinity, the organic carbon content, humus, total nitrogen, phosphate and potassium increased when the spread amounts of UOMW (50, 100 and ...

  • 3 Unexpected ways to improve food security in Sub-Saharan Africa

    The United Nations’ new population growth projections show that the world is set to reach nearly 9.6 billion by 2050. This growth holds serious implications for global food security. Absent other effective measures to control dietary shifts and ...

  • Chemical changes in an Oxisol cultivated with maize (Zea mays, L.) after six years disposal of sewage sludge

    Sewage sludge is composed of predominantly organic matter and can be used to improve soil characteristics, such as fertility. Therefore, its application in agriculture is an adequate alternative for its final disposal. However, there is a lack of information on its long–term effects on soil changes in tropical areas. Thus, the objectives of this study were to determine: (a) the effect of sewage ...


    By Inderscience Publishers

  • Soil water reserve estimation and vegetation relationships in a Mediterranean sub-humid forested catchment

    A simple water balance model was used to calculate soil water reserve in a Mediterranean forested catchment. The relationship between soil water reserve and leaf water potential and stem water content was analysed. The usefulness of these variables as plant water status indicators was tested. The analyses were developed with a seven-year-long database (2001–2007) in the case of soil water content ...


    By IWA Publishing

  • Let the kids go wild outdoors

    A number of international studies have shown that children in developed nations spend an average of 55 hours a week indoors using electronics. Even though this means that the youth in these countries are techno-savvy, it often results in them spending less and less time outdoors. How do we change this, and get our kids to experience the wonders of nature, develop creativity and learn to ...


    By green24

  • British rail - track sub-ballast, England

    Soft sub-soils created problems for the highspeed British Rail Eastern Region rail line in Northumberland, England. Rail speed on the Intercity line from Edinburgh to London had to be significantly reduced because of the soft peat sub-base. The GEOWEB cellular confinement system was installed to stabilize the sub-ballast over soft soils, reduce subsoil movement by stiffening the sub-ballast and ...


    By Presto Geosystems

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