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Horticulture Applications

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    Rapid Determination of Pesticides in Spinach

    Highly pigmented foods, such as spinach, require cleanup prior to analysis for pesticide residues. A dual-layer SPE tube containing graphitized carbon and aminopropyl on silica (NH2) is often used because; Carbon removes pigments and sterols and NH2 removes fatty acids, polar pigments, organic acids, and sugars. Removing these matrix materials reduces interferences that can lead to ion suppression in LC-MS, inlet contamination in GC-MS, and column contamination for both techniques. Our Supel Sphere Carbon/NH2 SPE tube uses spherical materials for both the carbon and NH2 layers, providing fast, more consistent flows compared to tubes containing granular material. This allows gravity elution (instead of vacuum elution) to be applied to Supel Sphere tubes, resulting in more contact time between extracts and sorbents.

    By Merck KGaA, Darmstadt, Germany based in Darmstadt, GERMANY.

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    Reproducible Recoveries of Pesticides from Fruits and Vegetables

    A group of 30 compounds was selected, representing pesticides, acaricides, insecticides, and fungicides. These samples were analyzed using Supel™ QuE QuEChERS and an Ascentis® Express RP-Amide HPLC Column.

    By Merck KGaA, Darmstadt, Germany based in Darmstadt, GERMANY.

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    Improved Recovery of the Fungicide Carbendazim

    Fungicide carbendazim can some times be used to combat mold on citrus fruits including oranges. Recently, low residue levels of the fungicide were reported to be present in the bulk orange juice import shipments to the USA. Because this compound can persist through processing steps and may be found in the final consumer product, many government agencies have established maximum residue limits (MRLs) to ensure the safety of their population. Presented here is a single method, involving fast and effective QuEChERS cleanup, suitable for various orange juice matrices. The choice of PSA/C18 sorbents reduced interferences, resulting in greater recoveries and less ion-suppression. Because the QuEChERS method is fast, it only adds a few minutes to the sample preparation procedure. Sample processing using QuEChERS with PSA/C18 allows analysts to accurately process various matrices in a single workflow, with very little additional sample preparation time.

    By Merck KGaA, Darmstadt, Germany based in Darmstadt, GERMANY.

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    Hydroponics

    `A technique of growing plants in nutrient solution”. Hydroponics literally means water-working or water-activation. It is a cultivation technique for growing plants in highly oxygenated, nutrient enriched water, rather than soil. The nutrient solution and its management are the cornerstone for a successful hydroponics system. The function of a hydroponics nutrient solution is to supply the plant roots with water, oxygen and essential mineral elements in soluble form. In soil, biological decomposition breaks down organic matter into basic nutrients that plants feed on. Water dissolves these nutrients which allows uptake by the roots. For a plant to receive a well balanced diet, everything in the soil must be in perfect balance.

    By Myron L Company based in Carlsbad, CALIFORNIA (USA).

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    Improved Reproducibility and Reduced Sample Preparation Time for the HPLC Analysis of Aflatoxins in Raw Peanut Paste

    The US FDA and international regulatory agencies have set contamination levels for aflatoxins in animal feedstuffs. Since Aspergillus may infect commodities pre-harvest, during storage or during processing, monitoring for aflatoxins in associated agricultural commodities at all stages of production is requisite. Field screening methods exist that are adequate to estimate contamination levels for aflatoxins. When additional confirmation or quantification is desired, chromatographic laboratory analysis is often necessary. Preparation of matrix samples prior to chromatographic analysis typically requires extraction and purification. Commonly, immunoaffinity columns (IAC), which employ a multi-step bind and elute mechanism to concentrate and purify aflatoxins, are used to purify matrix samples for subsequent analysis. Solid phase extraction (SPE), an alternate method which may use interference removal, can also be employed.

    By Merck KGaA, Darmstadt, Germany based in Darmstadt, GERMANY.

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    Determination of fructose, glucose, and saccharose in beverages, fruit and vegetable products, honey, and bioactive food additives

    Introduction

    The technical directives and regulatory requirements specify the total content and relative contents of fructose, glucose and saccharose in juices, nonalcoholic and alcoholic beverages (incl. wines and winemaking materials), fruit and vegetable products, honey, and bioactive food additives. 

    By Lumex Instruments Group based in Mission, BRITISH COLUMBIA (CANADA).

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    Determination of hesperidin and naringin in juices

    Introduction

    The method is intended for determination of hesperidin and naringin using capillary electrophoresis technique in order to reveal adulteration of juices. These components are tested in citrus juices, concentrated juices, nectars, juice-containing beverages, and fruit sauces that are produced primarily from oranges, grapefruits, tangerines, lemons, and limes.

    By Lumex Instruments Group based in Mission, BRITISH COLUMBIA (CANADA).

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    Determination of the carbendazim content in orange and other citrus juice produce

    Introduction

    Fungicide Carbendazim (Mercazole, Carbendazole) is widely used in agriculture to exterminate black mold (spot) on orange trees and treat fungus diseases of other fruit-bearing plants. According to the data of the World Health Organization, Carbendazim is toxic for liver, impacts reproductive system, and is considered to be a potentially cancerogenic compound. In most of the developed countries, the residual content of this fungicide is subject to national and international regulations. Researchers of LUMEX INSTRUMENTS, Ltd. have developed an analytical procedure for determination of the Carbendazim content in orange and other citrus juice produce using a capillary electrophoresis system CAPEL-105М.

    By Lumex Instruments Group based in Mission, BRITISH COLUMBIA (CANADA).

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    Determination of caffeine and theobromine in tea, coffee, cocoa, and dietary supplements

    Introduction

    The method is used for the determination of the mass fraction of caffeine and theobromine in tea and tea products, coffee and coffee products, cocoa and cocoa products, and dietary supplements.

    By Lumex Instruments Group based in Mission, BRITISH COLUMBIA (CANADA).

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    Soil moisture monitoring for researching

    Cambridge based Delta-T Devices specialises in instruments for environmental science, in particular: agronomy, plant physiology, eco-physiology, data logging, meteorology, soil moisture, solar energy studies and environmental monitoring.

    By Delta-T Devices Ltd. based in Cambridge, UNITED KINGDOM.

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    Electrochemical solutions and water technologies for agriculture & livestock

    We engineer and supply innovative technological solutions to improve fruit and vegetable cultivations and animal breeding. Our commitment is to a healthier, safer condition of all the actors involved in the agri-food chain (farmers, plants, animals, consumers) increasing the quantity and quality of food available, while at the same time reducing pesticide contaminations on products and in the environment.

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    Ground Covering for the Horticulture Industry

    Nicolon Ground Cover Fabrics control weeds found in land maintained by professional growers and landscapers. These highly useful fabrics feature woven polypropylene that allows water and nutrients to pass through while preventing roots from implanting into the soil. Available in widths from 3 to 15 feet (0.90 x 4.5m), Nicolon ground cover fabrics can also be utilized in soil separation and barrier fencing applications.

    By TenCate Geosynthetics Netherlands bv based in AE in Nijverdal, NETHERLANDS.

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    Frost Protection for the Crop Farming Industry

    The Toptex winter protection fabric safely ensures the protection of plants against frost, desiccation and solar radiation.

    By TenCate Geosynthetics Netherlands bv based in AE in Nijverdal, NETHERLANDS.

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    Compost Cover Protection for the Composting Industry

    The controlled composting of organic waste with the Toptex protection fabric leaves odour emissions at bay and increases the quality output significantly. Composting is the conversion of organic wastes into high quality humus. Through systematic controls these materials can be returned to the earth, completing the cycles of nature and improving the soil to which it is applied.

    By TenCate Geosynthetics Netherlands bv based in AE in Nijverdal, NETHERLANDS.

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    Water treatment solutions for agriculture industry

    The agriculture industry is a water intensive industry that needs a constant contaminant free water supply to ensure high harvest yields and healthy farm livestock. This requires agriculture water treatment solutions and specific soil additives that are sustainable and environmentally friendly. Agriculture water treatment and waste water treatment is essential to prevent bacteria, fungus, while reducing pesticide and nutrient pollution degradation of farmland used in commercial agriculture and horticulture operations. Genesis Water Technologies can engineer, build and provide sustainable agriculture water treatment and wastewater reuse systems as well as specific soil mediums for both greenhouse nurseries and commercial farming operations.

    By Genesis Water Technologies, Inc. based in Maitland, FLORIDA (USA).

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    Soil moisture monitoring for Agriculture Science and Research

    Accuracy and ease of use make SM300 Soil Moisture Sensors well suited to irrigation applications. Readings can be used to optimise irrigation scheduling, or the SM300 can be installed as part of an automatic irrigation system. The sensor`s compact size allows it to be installed in plant pots or grow bags.

    By Delta-T Devices Ltd. based in Cambridge, UNITED KINGDOM.

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    Water Storage for the Horticulture Industry

    TenCate produces and supplies high-grade membranes for the most divers liquid applications. Reliable, tried and tested materials designed to meet today’s needs. Where ever water or other liquids need to be retained, Nicolon membranes offer the simple, most effective solution.

    By TenCate Geosynthetics Netherlands bv based in AE in Nijverdal, NETHERLANDS.

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    Mushroom Growing Netting for the Crop Farming Industry

    The world’s population consumes an enormous amount of mushrooms each day. To meet this demand, highly efficient and hygienic production methods are required to deliver quality mushrooms on-time. Because of their proven performance and reliability, TenCate materials have become the mushroom and composting industry standard for pulling nets.

    For instance, the indoor composting process for mushroom substrate uses a lot of energy. High energy prices have pushed composting companies to look for ways to reduce costs. They have found a solution in TenCate pulling nets. Their high airflow performance combined with high pulling strength, low weight, thin material and limited narrowing effect significantly increase yield and quality while reducing energy cost and down time.

    TenCate Nicolon nets are used in mushroom growing, composting and other related applications. A long term knowledge and experience prove that TenCate nets are a reliable and tested contribution to your results.

    By TenCate Geosynthetics Netherlands bv based in AE in Nijverdal, NETHERLANDS.

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    Greenhouses Shade Protection for the Horticulture Industry

    Nicolon Shade Cloth Fabrics shade horticultural plants grown in commercial nurseries and greenhouses.  Manufactured in widths ranging from six to 17 feet (1.80 to 5.20m), Nicolon shade cloth fabrics add beneficial cover for agricultural crops and livestock and can also function as industrial debris nets.

    By TenCate Geosynthetics Netherlands bv based in AE in Nijverdal, NETHERLANDS.

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    Insect Screening for the Horticulture Industry

    Nicolon Insect Screen Fabrics feature woven polyethylene developed specifically for use in insect screening and bee cage applications. This unique fabric protects against and confines insects. Available with opening size dimensions ranging from 11 to 56 mils (0.3 to 1.4mm) and manufactured in six foot widths (1.8m), Nicolon insect screen fabrics shield against insects in a variety of applications.

    By TenCate Geosynthetics Netherlands bv based in AE in Nijverdal, NETHERLANDS.

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