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Fertilizers are usually labeled with three numbers, as in 18-20-10, indicating the relative content of the primary macronutrients nitrogen (N), phosphorus (P), and potassium (K), respectively. More precisely, the first number ("N value") is the percentage of elemental nitrogen by weight in the fertilizer; that is, the mass fraction of nitrogen ...
Choosing a fertilizer blend. As a general rule of thumb, most cool season grasses require 2 to 4 pounds of nitrogen per 1,000 square feet each year, and a majority of this nitrogen should be ...
NPK ratings consist of three numbers separated by dashes (e.g., 10-10-10 or 16-4-8) describing the chemical content of fertilizers. [ 29 ] [ 30 ] The first number represents the percentage of nitrogen in the product; the second number, P 2 O 5 ; the third, K 2 O. Fertilizers do not actually contain P 2 O 5 or K 2 O, but the system is a ...
Scotts was founded in 1868 by Orlando M. Scott as a premium seed company for the U.S. agricultural industry. In the early 1900s, the company began a lawn grass seed business for homeowners, and in 1924, became the first company to ship grass seed products directly to stores. Prior to 1924, Scotts products were only available through the mail. [5]
Treatment should be planned for early spring or late fall. On average, it requires 1– 1 + 1 ⁄ 2 inches (2.5–3.8 cm) of irrigation a week. [3] Experts suggest that it is mown to a height of 1 ⁄ 2 – 2 + 1 ⁄ 2 inches (1.3–6.4 cm) every 5–10 days. [6] Z. japonica is nearly resistant to disease, yet is subject to insect attack from ...
Locations that have high rainfall levels become acidic through leaching. Land used for crop and livestock purposes loses minerals over time by crop removal and becomes acidic. [5] The application of modern chemical fertilizers is a major contributor to soil acid by the process in which the plant nutrients react in the soil. [6]
Hand-pushed broadcast spreader. A broadcast seeder, alternately called a broadcaster, broadcast spreader or centrifugal fertilizer spreader (Europe) or "spinner" (UK), is a farm implement commonly used for spreading seed where no row planting is required (mostly for lawns and meadows: grass seeds or wildflower mixes), lime, fertilizer, sand, ice melt, etc., and is an alternative to drop ...
The Mosaic Company was formed in October 2004 by a merger between IMC Global, a fertilizer company formed in 1909, and Cargill's crop nutrition division. It is a combined producer and marketer of concentrated phosphate and potash with a customer base which includes wholesalers, retail dealers and individual growers worldwide.