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Discussion in 'Pesticide & Herbicide Application' started by GBCS, Feb 7, 2004.
Does Lesco have a product like Andersons Extend fertilizer product?
From what I can see at the Anderson's website, Extend is Poly Coated urea. So yes. Our version would be known as Poly Plus Sulfur Coated Urea. I wouldn't get too hung up on what it's called though. What we need to make sound fertility decisions is the amount of ASRN or Actual Slow Release Nitrogen that the ingredients yield relative to the total nitrogen content.
Steve, Here is more info. Thanks.
The Premier products blend the proven technology of Poly-S with a new PCU technology called Extend. Compared to Poly-S, Extend provides a slower starting nitrogen release and a much greater feeding longevity. The best way to summarize the features and benefits of Extend is to say that it contains all 4 of the characteristics of an ideal PCU that were described above. The Poly-S provides desirable initial growth and green-up, along with an intermediate feeding longevity. Together, Poly-S and Extend provide the perfect package: good initial green-up, some immediate growth without adverse surge growth, and outstanding feeding longevity with good color and minimal clipping yield.
There are 8 Premier products to choose from. The 43-0-0 is 100% Extend. Another product (21-3-11 + Fe, Mn) contains 63% Extend and 37% ammonium sulfate. The remaining 6 products contain varying combinations of Extend and Poly-S, from 75% Extend to 19% Extend. Most products also contain Fe and Mn in a variety of combinations. For longer nitrogen release, choose the products with more Extend and less Poly-S. For shorter periods of release, or for cooler locations and cooler times of year, choose products with more Poly-S and less Extend. (The most popular product is 19-3-24 + 2% Fe, 1% Mn, 48% Extend, 48% Poly-S, 4% ammoniacal nitrogen.) All 8 of these products come in 50-lb. bags. All of them except the 43-0-0 also come in 1,000-lb. tote bags and are available through GES for bulk spreading.
Because Extend feeds for such a long period of time, the label rates for the products with higher percentages of Extend are 1 lb., 1.25 lbs. and 1.50 lbs. of nitrogen per 1,000 sq.ft. The higher rates allow the superintendent to make fewer annual applications, and perhaps to use less nitrogen per year. For example, a superintendent may have been accustomed to fertilizing his fairways with 3 applications per year at 1.0 lb. of nitrogen per 1,000 sq.ft. each application, for an annual total of 3.0 lbs. of nitrogen. Using a Premier fertilizer with at least 48% of Extend, that same superintendent could make only 2 applications at 1.25 lbs., for an annual total of 2.50 lbs. of nitrogen. This is possible because of the very efficient way the Premier products deliver the nitrogen to the plant, and this is what makes these products such outstanding values.