The efficiency of this conversion is a critical factor that affects the amount of solar energy we are able to harvest for our use. However, to harness this energy, we need to convert it into usable electricity. This is more energy than we could ever hope to use, and it represents a vast potential for the solar power. All rights reserved.In one year, the sun sends an immense amount of energy to our planet, around 222,500,000 terawatt hours. PGATOUR.COM, PGA TOUR, TPC, SHOTLINK and the SWINGING GOLFER LOGO are trademarks of PGA TOUR, Inc. market share of professional lawn care companies. †† Based on number of treatments offered as part of an annual program.Īmerica’s #1 lawn care company based on U.S. Availability of services and/or products may vary by geography. † Now controls 200+ species of broadleaf weeds. and service does not protect against termites and other wood-destroying organisms, bedbugs, bees, fleas, German cockroaches, hornets, pharaoh ants, rodents, or ticks. ◆◆ TruGreen Perimeter Pest does not include removal of webs higher than 10 ft. For more details, go to TruGreen FAQs at /FAQTREE. It does not include treatment of specialty trees such as fruit or certain ornamentals, or assessment and treatment of trees over 25 ft. ✢ TruGreen Tree & Shrub includes fertilization of common trees and shrubs, and controls common foliar insects and diseases. ✦ Purchase of annual lawn plan required for TruGreen Lawn Assessment, which is performed at the first visit. Guarantee applies to annual plan customers only. ◆ TruGreen will gladly visit your property as needed between scheduled visits to ensure your satisfaction. Not to be combined with or used in conjunction with any other offer or discount. Valid at participating TruGreen® locations. * Special price of 50% off is for first Lawn service★, Tree & Shrub service✢, Mosquito service★★ and/or Perimeter Pest service◆◆ only. Requires purchase of annual plan, for new residential EasyPay, MonthlyPay, or PrePay customers only. Your lawn’s altitude also influences how much light reaches the grass- turf grass grown in the mountains receives higher intensity light because it is closer to the sun. Topography. South-facing slopes get more sunlight than north-facing slopes, resulting in higher soil temps.Atmospheric filtering. Cloud cover, pollution, pollen particles or shade from plants and buildings reduce the amount of sun reaching your yard. This intensity wanes as you move away from the equator. Latitude. Locations around the equator receive maximum light intensity as day length changes less and stays closer to 12-hour days and 12-hour nights.These changes initiate growth and flowering and start the process of hardening off for winter dormancy. Changes in day length function as a timer or trigger that starts or stops turf grass growth. Length of day. Days get longer after December 21 and begin to shorten after June 21, altering how many hours of sunlight your grass gets.Time of day. The sun’s angle is lower during the morning and afternoon as light intensity gradually grows from sunrise and then wanes toward sunset.Time of year. The Earth is closest to the sun in early January and farthest from it in early July, altering the Earth’s heat and light.
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