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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 times 100. The second number ("P value") is the percentage by weight of phosphorus pentoxide P 2 O 5. The third number ("K value") is the equivalent content of potassium oxide K 2 O. [3]
For example, there has been a substantial impact upon both the quality and the quantity of raw material available as a result of Milwaukee losing much of its malting and brewing industry through the departure of once-giant local concerns Schlitz Brewing Company and Pabst Brewing Company. [3] Milorganite has been at the forefront of the sewage ...
"For summer annual weeds like crabgrass, apply pre-emergents in early spring before the top two inches of soil reach temperatures between 50 to 55 degrees Fahrenheit for five consecutive days ...
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 ...
Choose a day without wind to apply a weed killer. "Avoid applying herbicides on windy days to minimize drift onto other plants, pets, or people," says Cannon. Read the Label
A 2005 NASA study estimated conservatively 128,000 square kilometres (49,000 sq mi; 32,000,000 acres) of irrigated lawn in the US, three times the area of irrigated corn. [85] That translates to about 200 US gallons (760 L; 170 imp gal) of drinking-quality fresh water per person per day is required to keep up United States' lawn surface area.
Sod is grown on specialist farms. For 2009, the United States Department of Agriculture reported 1,412 farms had 368,188 acres (149,000.4 ha) of sod in production. [9]It is usually grown locally (within 100 miles of the target market) [10] to minimize both the cost of transport and also the risk of damage to the product.
Electric lawn mower in grass-cycling mode. Grasscycling is a method of handling grass clippings by leaving them to decompose on the lawn when mowing.The term combines "grass" and "recycling", and had come into use by at least 1990, [1] as part of the push to reduce the huge quantities of clippings going into landfills, up to half of some cities' summertime waste flow, [2] as 1,000 square feet ...