Liquid Manure Articles

  • Case Study - Manure Magic

    Manure Magic is a patented product that can help support successful manure management programs throughout the world, such as field applications as fertilizer, because of its ability to liquefy the manure, which makes it much easier to administer. Application Examples The increase in regulatory requirements in dealing with animal waste solids has required growers to closely ...


    By DryLet

  • Unlocking the potential of poultry manure

    The poultry industry is one of the largest and fastest-growing agro-based industries in the world. At the same time, the growth brings along a number of environmental problems. One of the major environmental problems is the accumulation of large amounts of wastes, e.g. manure. In order to mitigate these problems new economically sustainable technologies are needed. Manure has often been ...


    By Ductor Corp.

  • Grain case study - Miller Brewing Co.

    Smart Elbow® Installation Brought in $30,000 Under Projected Budget The compact design of the Smart Elbows saves space-the twelve 6" elbows shown here occupy the same space as a large desktop. They may also be rotated on their flanges for greater design flexibility and installation ease. At Miller Brewing Company's Fort Worth, TX, facility, staff engineer Roy Marin was faced with an ...


    By HammerTek Corporation

  • Crisafulli vertical and trailer pump testimonial Gregerson`s Colorado dairy farm-case study

    Four Crisafulli Pumps. Gregerson's Colorado Dairy Farm, running 1,500 head, moves liquid manures, fluids and sludges with four Crisafulli pumps: two electric vertical pumps, a six inch PTO trailer mounted pump and a 7.5 horsepower electric lift pump. "We have not experienced trouble with any of these pumps, not even over the summer months when we use both the trailer mounted pump and the lift ...


    By SRS Crisafulli, Inc.

  • Crisafulli vertical and trailer pump testimonial Gregerson`s Colorado dairy farm-case study

    Four Crisafulli Pumps. Gregerson's Colorado Dairy Farm, running 1,500 head, moves liquid manures, fluids and sludges with four Crisafulli pumps: two electric vertical pumps, a six inch PTO trailer mounted pump and a 7.5 horsepower electric lift pump. "We have not experienced trouble with any of these pumps, not even over the summer months when we use both the trailer mounted pump and ...


    By SRS Crisafulli, Inc.

  • Ammonia sanitization of blackwater for safe use as fertilizer

    Source-separated blackwater from low-flush toilets contains plant-available nutrients and can be used as a fertilizer. The aim of the study was to evaluate the impact on pathogen inactivation when treating blackwater with urea and/or lime. Blackwater was spiked with Salmonella typhimurium, Escherichia coli O157, Enterococcus faecalis, and Ascaris ...


    By IWA Publishing

  • A small plant with great success - case study

    The farm-based biogas plant operated by the Wienken family in Augustenfeld (near Löningen) is the first plant of its size built by bwe. Originally, the farm's operator had planned to install a straw heating element. However, since the input materials are available on the farm itself in their entirety, the decision to implement a biogas plant designed by bwe was obvious. One decisive aspect ...

  • Huxley hutterite brethren colony case study

    A. Farm Description Barn Type: 80 stall free stall barn with saw dust on floor. Manure Handling: Barn houses 80 cows over 8 pits, each 7 feet deep and 12 feet wide. Manure is stored under the slatted floor for 6 months and then agitated and pumped out. B. The Problems: As the pits are pumped ammonia levels rise significantly resulting in problems for barn staff ...


    By Nordevco Associates Ltd.

  • Little creek hog manure slurry store treatment case study

    The Challenge: Significant build-up of solids on the bottom of the slurry store (approximately five feet) with an expectation of another foot of accumulation by the end of the season (fall 2006). The Objective of the treatment: Preventing the further accumulation of solids and reducing the existing level of sludge in the slurry store using the BactiDomus® Technology Bio4Swine® In 2006 the ...


    By Nordevco Associates Ltd.

  • Nutrient transport characteristics of livestock manure in a farmlan

    Background :Livestock excretions containing high concentration of nutrient, pig liquid fertilizer, and cattle manure were applied to agricultural land. The characteristics of nutrient transport were examined in surface runoff and groundwater by an artificial rainfall event at real scale field site. Also, the effects of the artificial rainfall event on the characteristics of residual soil after ...

  • Remote Controlled Agitators: Cornell Pump Company Applications

    Cornell Pumps Helps Agitate the Liquid Fertilizer Industry –With New Cutter Pump Outperforming Expectations Site: Numerous animal farms in the Midwest The Problem: A leading Midwest company specializing in liquid manure wants to agitate an entire manure lagoon, without tying up personnel and farm equipment that could ...


    By Cornell Pump Company

  • Hog facility Texas, USA

    Type of Wastewater System: Supernate pit flush system Problem: This facility was having problems with manure crusting and floating on the top of the pit. This was making it impossible to flush the solids from the pit to an anaerobic digester. It was also having a tremendous buildup of ammonia gas that was causing irritation to the pigs and the employees. Flies were beginning to ...


    By Roebic Laboratories, Inc.

  • Biocontained mortality compost using liquid manure

    During disease outbreaks, composting has been used to safely dispose of carcasses and infectious solid manure. However, optimized methods have not been established to use liquid manure (> 80% water content, WC) from dairies as the substrate for mortality composting. In April of 2007, a 3x2 factorial study was conducted in wooden compost bins (240 x 240 x 140 cm) lined with 0.5 mm plastic to a ...


    By BioCycle Magazine

  • Cover crop and liquid manure effects on soil quality indicators in a corn silage system

    Due to a lack of surface residue and organic matter inputs, continuous corn (Zea mays L.) silage production is one of the most demanding cropping systems imposed on our soil resources. In this study, our objective was to determine if using cover/companion crops and/or applying low-solids liquid dairy manure could improve physical, chemical, and biological soil properties and overall soil quality. ...

  • Evaluation of Phosphorus source coefficients as predictors of runoff Phosphorus concentrations

    Received for publication December 27, 2007. Many states have adopted a P site index (PSI) as a risk assessment tool to determine when P-based nutrient management is required for a given agricultural field. Some PSIs use a weighting factor, the phosphorus source coefficient (PSC), to account for differences in P solubility between organic P sources. Information relating to appropriate values of ...

  • Zonejection: Conservation tillage manure nutrient delivery system

    Manure application in minimum till (MT) systems is a challenge worthy of attention because residue cover is a keystone for environmental protection. To develop a system combining zone tillage and manure application into one operation (zonejection), two experiments were conducted. In Exp. 1, liquid swine manure (LSM) was applied in fall or spring for two site years (A, B). In Exp. 2, LSM was ...

  • Enhancing nutrient cycling by coupling cover crops with manure injection

    Coupling winter small grain cover crops (CC) with liquid manure injection may increase manure nutrient capture. The objectives of this research were to quantify manure injection effects using target swine (Sus scrofa) manure N rates of 112, 224, and 336 kg N ha–1 on CC plant density, fall and spring shoot biomass, N, P, and K uptake and subsequent corn (Zea mays L.) yield. A winter rye (Secale ...

  • Is colloid-facilitated Phosphorus leaching triggered by Phosphorus accumulation in sandy soils?

    The leaching of colloidal phosphorus (Pcoll) contributes to P losses from agricultural soils. In an irrigation experiment with undisturbed soil columns, we investigated whether the accumulation of P in soils due to excess P additions enhances the leaching of colloids and Pcoll from sandy soils. Furthermore, we hypothesized that large concentrations of Pcoll occur at the onset of leaching events ...

  • Effect of cattle slurry separation on greenhouse gas and Ammonia emissions during storage

    Storage of cattle slurry leads to emissions of methane (CH4), nitrous oxide (N2O), ammonia (NH3), and carbon dioxide (CO2). On dairy farms, winter is the most critical period in terms of slurry storage due to cattle housing and slurry field application prohibition. Slurry treatment by separation results in reduced slurry dry matter content and has considerable potential to reduce gaseous ...

  • Methane and carbon dioxide emission from two pig finishing barns

    Received for publication July 22, 2007. Agricultural activities are an important source of greenhouse gases. However, comprehensive, long-term, and high-quality measurement data of these gases are lacking. This article presents a field study of CH4 and CO2 emission from two 1100-head mechanically ventilated pig (Sus scrofa) finishing barns (B1 and B2) with shallow manure flushing systems and ...

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