Controlled Release Fertilizer Articles

  • Working principle of organic fertilizer production line

    Organic fertilizer machine manufacturers give you a brief introduction to the production process of organic fertilizers. In general, the raw material of organic fertilizer is mostly chicken manure. The first step is fermentation. The purpose of fermentation of manure is to eliminate pests and harmful gases in chicken manure. The ...

  • Economic Benefit of Producing Slow-acting NPK Complex Fertilizer

    Because of the low utilization rate of chemical fertilizer, people try to make a slow-release and high-utilization fertilizer to meet the demand of nitrogen in different growth stages of crops, reduce the loss of nitrogen leaching and volatilization, reduce the fixation of phosphorus and potassium fertilizers in the soil, so that the fertilizer can supply nutrients according to the requirement of ...

  • Urease Inhibitors

    Urease inhibitors are a class of chemical agents that inhibit urease activity in soil and delay urea hydrolysis. Soil urease is a specific hydrolase that catalyzes the hydrolysis of urea in soil. There are two main aspects to the mechanism of urease inhibitors controlling urea hydrolysis. One is due to the oxidation of SH to reduce urease activity.The second is to compete for ligands to reduce ...

  • N-(N-butyl)thiophosphoric triamide/NBPT

    Urease inhibitor is a kind of substance that can inhibit the activity of soil urease, and it is a new technology which has been studied in urea or nitrogen compound fertilizer. Using soil urease inhibitor can effectively slow decomposition of urea into ammonia process, reduce soil NH4 + and NH3 concentration, soil fertility and crop fertilizer synchronization. NBPT is the most effective ...

  • Fischer Tropsch Wax

    Fischer Tropsch Wax KH FT WAX 80 Features: Narrow Molecular weight Distribution, Fine crystal structure, Linear molecular structure, Low Viscosity, White color, Low penetration Applications: Hot melt adhesives, Paints and Coatings, PVC and rubber processing, Toners & Inks, Fertilizer release controller   KH FT Wax ...

  • High Melting Point Paraffin Wax

    KH Paraffin Wax F64N/L/H Features: Straight cut, Very low oil content, High purity, White color, Odorless Applications: Polishes, PVC lubricants and Rubber processing, Package, Corrugated board coating, Controlled release of fertilizer, Textile, Candle blending   KH Paraffin Wax F66N/L/H Features: Linear structure with less branches, Good hardness, Oder free ...

  • N-(N-butyl) Thiophosphoric Triamide Solution

    N-Butylthiophosphoric triamide (NBPT, hereinafter referred to as "NBPT") is currently one of the most effective soil urease inhibitors. Agricultural fertilizers, mainly nitrogen fertilizers, are quickly decomposed by urease in the soil under normal use. This not only wastes a lot of nitrogen fertilizer resources, but also increases the cost of crop production, and brings a series of problems such ...

  • NPK compound fertilizer granulation production line

    NPK compound fertilizer granulation production line NPK compound fertilizer has the advantages of good appearance, high fertilizer efficiency, uniform coating and strong wear resistance. It can provide sulfur nutrition after degradation of the film, and is pollution-free, which meets ...

  • Can mountains of animal bones boost food security in Ethiopia?

    By turning a wasted resource into fertilizer, researchers aim to help a hungry nation replenish depleted soils As unemployed young men pick through trash heaps near Jimma University in southwestern Ethiopia to find treasures to sell, they search for one of the hottest resources in demand at the moment: discarded animal bones. ...


    By Ensia

  • Potato response to a polymer-coated urea on an irrigated, coarse-textured soil

    Controlled release fertilizers, especially polymer-coated urea (PCU), have been shown to reduce nitrate (NO3) leaching while maintaining potato (Solanum tuberosum L.) yields, but cost has been prohibitive. A new type of PCU (Environmentally Smart Nitrogen, Agrium, Inc., Calgary, AB) is less costly than previous PCUs, but its effectiveness on potato production has not been extensively studied. A ...

  • Winter wheat and maize response to urea ammonium nitrate and a new urea formaldehyde polymer fertilizer

    Slow release N fertilizers have potential to improve yield and nitrogen use efficiency (NUE) in winter wheat (Triticum aestivum L.) and maize (Zea mays L.). A slow release urea formaldehyde polymer (UFP) was compared with aqueous urea ammonium nitrate (UAN) [(NH2)2CO, NH4NO3] during a 2-yr field experiment in North Carolina. Crops were grown on Candor (sandy, siliceous, thermic Grossarenic ...

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