![]() ![]() The enzyme activity goes faster in moist, warm soils. With exposure to the soil, enzymes produced by soil microorganisms and plant roots break down the polymer phosphate chains into simple phosphate molecules the plants can digest, though some of the polyphosphates will decompose even without the enzymes. The remaining phosphorus (orthophosphate) is immediately available for plant uptake. In polyphosphate fertilizer, between half and three-quarters of the phosphorus is temporarily locked up by chained polymers. Each linkage of phosphate molecules has its own name deriving from its length, although polyphosphate is the general term that includes all of these linked molecules. When phosphoric acid and ammonia are reacted, water is driven off and orthophosphates begin to link together, chainlike, to form a “polyphosphate” fluid fertilizer. A variety of other nutrients mix well with polyphosphate fertilizers, making them excellent carriers of micronutrients typically needed by plants.Ī single phosphate molecule is called an orthophosphate. Polyphosphate fertilizers offer the advantage of a high nutrient content in a clear, crystal-free fluid that remains stable within a wide temperature range and stores well for long periods. The most common ammonium polyphosphate fertilizers have a N-P₂O₅-K₂O (nitrogen, phosphorus and potassium) composition of 10-34-0 or 11-37-0. However, its acidity and some of its chemical properties make this material difficult to apply directly. Phosphoric acid is the starting material for most commercial phosphate fertilizers. Polyphosphate is an excellent liquid P fertilizer used to increase agricultural production. ![]() Because of this, growers commonly add this nutrient to their fields to improve crop yield and quality. Despite phosphorus (P) availability from geologic deposits distributed around the globe, widespread P deficiency in soils limits the growth and productivity of plants in many parts of the world. The full press release is available on the corporate website. Together with Tessenderlo Kerley Fleuren, a tank storage and transshipment company for liquid products located in the Port of Cuijk (the Netherlands) that was acquired by Tessenderlo Group in the first half of 2022, the new plant will further strengthen Tessenderlo Kerley International’s position in the Western European liquid fertilizer market and assist its sustainability goals by bringing liquid fertilizers closer to its customers. In September 2017, Tessenderlo Kerley International launched its first European plant for the production of Thio-Sul® in Rouen (France). These fertilizers supplement sulfur nutrients and limit nitrogen losses”, explained Geert Gyselinck, Tessenderlo Kerley International’s Executive Vice President. The Geleen branch will respond to the growing demand for liquid fertilizers from the European market. ![]() “With the new plant in Geleen, which will be our second Thio-Sul® plant in Europe, we are further expanding our local presence in the liquid fertilizer market for precision farming. The plant is expected to be operational by mid-2024 and will employ approximately 20 people. ![]() Tessenderlo Kerley International is constructing a Thio-Sul® (ammonium thiosulfate/ATS) manufacturing plant, which will be used as a fertilizer for broad-acre crops as well as arboricultural and vegetable crop cultivation. Today Tessenderlo Kerley International held a groundbreaking ceremony to start the construction works for its new liquid fertilizer plant at the Chemelot site in Geleen, the Netherlands. ![]()
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