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	Lettuce - Wikipedia, the free encyclopedia
		Lettuce is a temperate annual or biennial plant most often grown as a leaf vegetable.
		Lettuce is used as a food plant by the larvae of some Lepidoptera - see list of Lepidoptera which feed on Lettuces.
		With the vast number of lettuce cultivars in existence, it is near impossible to pin-point their exact origins.
	en.wikipedia.org /wiki/Lettuce (992 words)

	Watch Your Garden Grow - Lettuce
		Lettuce is a fairly hardy, cool-weather vegetable that thrives when the average daily temperature is between 60 and 70°F. It should be planted in early spring or late summer.
		Stem lettuce forms an enlarged seedstalk that is used mainly in stewed, creamed and Chinese dishes.
		Lettuce does not withstand hot summer days well and spring planting should be completed at least a month before the really hot days of early summer begin.
	www.urbanext.uiuc.edu /veggies/lettuce1.html (1842 words)

	Natural Life Magazine #54 - Growing Lettuce
		Lettuce plants can be transplanted and tucked into sunny open spots in the vegetable or flower garden, in planter boxes, or in hanging baskets.
		With the development of the seed stalk, lettuce leaves become bitter and tough, so the aim is to have a lettuce crop ready to harvest before or after the heat of summer.
		Lettuce is a moderately heavy feeder and usually responds dramatically to the application of fertilizer or compost.
	www.life.ca /nl/54/lettuce.html (2229 words)

	Lettuce
		Lettuce varieties can be loosely categorized into four groups: crisphead, butterhead, leaf and romaine or cos.
		Lettuce is a cool-season vegetable and develops best quality when grown under cool, moist conditions.
		Leaf lettuce is harvested by removing individual outer leaves, leaving the center leaves to continue to grow.
	www.uri.edu /ce/factsheets/sheets/lettuce.html (680 words)

	[No title] (Site not responding. Last check: 2007-10-22)
		Lettuce is a cool-weather crop that is fairly cold tolerant.
		Leaf lettuce matures rapidly and is the most reliable type of lettuce to grow in Kansas, especially from seed.
		Lettuce is shallow rooted, and the root system is fairly spindly.
	www.oznet.ksu.edu /dp_hfrr/extensn/Hort_Tips/Vegetable_Crops/lettuce.htm (370 words)

	Floridata: Lactuca sativa
		Lettuce is a cool season annual with milky sap and glabrous (hairless) leaves that grow in a basal rosette at first, then either in a loose or a tightly rolled head, and eventually along an upright stem that supports the flowers.
		Lettuce is planted in the winter in USDA zones 8-10, and in the spring up north.
		It is claimed that lettuce is an excellent remedy for acid indigestion and "heartburn." The bitter, milky latex sap is a mild narcotic and sleep inducer.
	www.floridata.com /ref/l/lact_sat.cfm (1111 words)

	Lettuce - Plant (Site not responding. Last check: 2007-10-22)
		Lettuce plants grow as a rosette of leaves on the ground or on a short stalk.
		Head lettuce is in the shape of a ball and made up of a series of overlapping leaves attached at the bottom to a stem plate.
		Romaine lettuce is an upright, lettuce arranged in an elongated, loose head.
	www.hort.purdue.edu /ext/senior/vegetabl/lettuce1.htm (93 words)

	Lettuce, Commercial Vegetable Production Guides, North Willamette Research and Extension Center (Site not responding. Last check: 2007-10-22)
		Lettuce may be held temporarily at 32 F and 90-95% relative humidity for several days.
		Lettuce should be precooled to 34 F soon after harvest and stored at 32F and 98 to 100 % relative humidity for retention of quality and shelf life.
		Lettuce is highly perishable and deteriorates rapidly with increasing temperature.
	oregonstate.edu /Dept/NWREC/lettuce.html (2470 words)

	Vegetable Dictionary - Lettuce
		Lettuce was grown in royal gardens of Persian Kings (Iran) over 2000 years ago.
		Columbus brought lettuce to the Bahamas in 1494.
		Leaf lettuce can be planted in the spring when the soil is dry enough to be worked.
	www.urbanext.uiuc.edu /firstgarden/planning/dictionary/veggies/lettuce.html (159 words)

	Crop Profiles
		Land preparation and growing expenses for romaine lettuce in Yuma county are estimated at $2.38 for an 18-30 head, 47 pound carton while total harvest and post-harvest costs are $4.35 per carton.
		Lettuce is primarily grown along the Colorado and Gila rivers at elevations less than 100 feet.
		Lettuce to be sold unprocessed is packed in cartons of 24, naked or film-wrapped, for shipment from the field direct to retailers.
	cipm.ncsu.edu /cropprofiles/docs/azlettuce.html (4714 words)

	CROP PROFILES -- WASHINGTON
		Lettuce is a cool-season annual vegetable grown for its crisp succulent leaves.
		The lettuce mosaic virus is the cause; it is transmitted by seed and by the green peach aphid.
		Lettuce fields are not planted adjacent to poplar plantations and weed control in fields is emphasized.
	pestdata.ncsu.edu /cropprofiles/docs/Walettuce.html (5225 words)

	Lettuce Production Guidelines for Hawaii
		Lettuce can also be grown under plastic and organic mulch culture which may result in improved fertilizer and water use efficiency and in improved weed control.
		Advantages of transplanting lettuce compared to direct seeding include less seed required, less bird damage, easier weed control, and higher water, land, and fertilizer use efficiency because the plants are in the field for a shorter period of time.
		Two common types of lettuce field harvest operations include the "naked pack" system, in which lettuce is packed with the wrapper leaves alone, and the "hand-cut, film-wrap system." Heads are cut at the soil surface with a long knife, leaving as many of the wrapper leaves uninjured as possible.
	www.extento.hawaii.edu /kbase/reports/lettuce_prod.htm (9178 words)

	LETTUCE
		Lettuce is a somewhat hardy plant and is generally ideal for growing in spring and fall.
		Lettuce needs plenty of water so in the extra dry regions, plant within 4" of a drip irrigation system and make sure it is timed to come on daily for about 20 minutes.
		The Oak leaf lettuces are among my favorites, not only for their heat and drought tolerance, but for their earliness and ease of picking, attractive leaf shape and subltle flavor.
	www.seedswestgardenseeds.com /lettuceindex.html (1048 words)

	Lettuce (Site not responding. Last check: 2007-10-22)
		Lettuce should be planted in early spring as soon as the ground can be worked.
		A. Scorch or leaf burn around the margins of lettuce leaves is quite common in gardens.
		As the lettuce approaches maturity, which is a high water use time, cells at the edge of the leaf may dry because the leaves use more water than the roots can take up.
	aggie-horticulture.tamu.edu /plantanswers/vegetables/lettuce.html (370 words)

	EWG Report \|\| Rocket Fuel in Lettuce (Site not responding. Last check: 2007-10-22)
		Eating lettuce or other vegetables grown in fields irrigated by the Colorado River may expose consumers to a larger dose of toxic rocket fuel than is considered safe by the U.S. Environmental Protection Agency, according to test data and documents obtained by Environmental Working Group (EWG).
		This extraordinarily high rate of bioaccumulation would mean that lettuce grown in water with even low levels of perchlorate could deliver large doses of the toxin to consumers — doses far higher than the EPA’s provisional drinking water standard.
		In Imperial County, CA, 20,000 acres of iceberg lettuce and 10,500 acres of leaf lettuce were harvested in 1999.
	www.ewg.org /reports/rocketlettuce (2448 words)

	Lettuce (Site not responding. Last check: 2007-10-22)
		Lettuce has an internal counter that keeps track of the number of daylight hours the plant receives.
		Lettuce can be started indoors under lights to give them an early start and then planted outdoors while temperatures are still cool.
		Lettuce has evolved considerably since it was first grown by the ancient Egyptians.
	www.ipm.iastate.edu /ipm/hortnews/1994/4-6-1994/let.html (380 words)

	Lactuca sativa (Lettuce) (Site not responding. Last check: 2007-10-22)
		Lettuce originates from the wild Lactuca serriola found in the Mediterranean and Near East and has been transformed from an erect plant with bitter leaves to various cultivars including ones with distinctive heads of chlorophyll deficient leaves.
		Paintings of what appear to be Cos Lettuce have been found in Egyptian tombs dating back to as early as 4500 BC although there is some uncertainty about their identity.
		Cos Lettuce has large seeds which are retained till after harvest and it is thought that the Egyptians most likely grew lettuce for the seeds which contain an edible oil.
	www.museums.org.za /bio/plants/asteraceae/lactuca_sativa.htm (264 words)

	Get Growing Gardening Tips 76- Lettuce - Lactuca sativa
		The Romans grew types of lettuce resembling the present romaine cultivars, and the crop was known in China about the time of the fifth century.
		Lettuce are cool season crops and grow best between temperatures of 10 and 20°C. Cool nights are essential for good results.
		Lettuce seeds are small, and to have uniform emergence and growth a well-prepared seed bed is important.
	www.devonian.ualberta.ca /getgro76.html (439 words)

	Dole 5 A Day - We make 5 A Day fun!
		Lettuce, a member of the sunflower family, is one of the oldest known vegetables and is believed to be native to the Mediterranean area.
		Lettuce is grown by either direct seeding into fields or by transplanting seedlings.
		Because lettuce is so perishable, it is harvested by hand in the field, packed into boxes or bins and immediately transported to a cooling facility or fresh cut salad factory.
	www.dole5aday.com /FoodService/Fun/Characters/F_Lettuce.jsp (587 words)

	[No title]
		Lettuce is a cool-season crop that prefers temperatures of 55 to 65 F for optimum growth.
		Lettuce seedlings should be protected from the wind because the young plants are rapidly dried out from the wind.
		Lettuce seedlings are poor competitors with weeds, therefore weed control is very important with this crop.
	hgic.clemson.edu /factsheets/HGIC1312.htm (1171 words)

	Kitchen Dictionary: lettuce (Site not responding. Last check: 2007-10-22)
		Romaine lettuce grows in a long head of sturdy leaves which have a firm rib down their centers.
		The term head lettuce describes those varieties on which the leaves grow in a dense rosette.
		Leaf lettuce describes the varieties with leaves that branch from a single stalk in a loose bunch rather than forming a tight head.
	www.recipezaar.com /library/getentry.zsp?id=259 (284 words)

	[No title]
		When full grown it does not, like other lettuces, run quickly to seed but waits until you are ready to eat it.
		An excellently flavoured Italian lettuce of the type used in salads and also in many other dishes as a tasty garnish.
		Cos lettuce, as well as being very tasty and succulent, have more vitamins and minerals than butterhead varieties.
	seeds.thompson-morgan.com /us/en/list/lettuce?SA=1112 (916 words)

	index
		California’s position as a leader in the production and distribution of lettuce can be attributed, to a large degree, to the public and private research that has been funded by the Board.
		California is the leading producer of lettuce with an estimated 70-75% of the total U.S. production of iceberg lettuce and 80-85% of the leaf lettuce.
		Board members feel that the long term viability of the California lettuce industry requires a continued commitment to fund non-proprietary research that will benefit all California lettuce growers, and have worked together to insure that the problems of the lettuce industry are being met through strong, scientifically based, research programs.
	www.calettuceresearchboard.org (421 words)

	lettuce varieties for home growing (Site not responding. Last check: 2007-10-22)
		CRISPHEAD-(syn.'Iceberg', 'cabbage lettuce') this was virtually the only kind of lettuce in existance in the consciousness of the New Zealanders of the 50's and 60's.
		In the UK and USA, this type is referred to as 'iceberg' lettuce, as it is so crisp and has such a white, crisp, densely packed heart.
		All things being equal, in hot weather, the crispheads are the slowest to bolt, then the summercrisps, the bostons, the leaf lettuces and finally the cos types.
	www.naturalhub.com /grow_vegetables_cultivars_lettuce.htm (1283 words)

	Blog All - Lettuce (Site not responding. Last check: 2007-10-22)
		Now some raw heads of lettuce are also treated with chlorine (it's used to kill worms that may be on board), but from what I could find in the last hour of research is that it's use is not as prevalent as it is in your pre-packaged lettuce.
		Anderson found bacteria in all the samples of lettuce, even the bagged kind which said the lettuce was "triple washed" and "ready to eat".
		But Lettuce is where we are currently at on the food timeline, so talk about it we must.
	www.accidentalhedonist.com /index.php/all?cat=323 (2372 words)

	RecipeLu's Lettuce Recipes
		To serve the salad, place a lettuce half on each of 6 salad plates and moisten generously with freshly shaken dressing.
		Divide the mixture between the lettuce leaves and serve.
		Rinse, drain and pat dry the radicchio, bibb and iceburg lettuce.
	www.geocities.com /NapaValley/2267/lettuce.html (342 words)

	Lettuce, Endive & Artichoke - HORT410 - Vegetable Crops - Department of Horticulture and Landscape Architecture - ...
		Lettuce, Endive and Artichoke - HORT410 - Vegetable Crops - Department of Horticulture and Landscape Architecture - Purdue University
		Lettuce, Endive and Artichoke - HORT410 - Vegetable Crops
		The Northern Root-Knot Nematode on Carrot, Lettuce, and Onion in New York (CORNELL)
	www.hort.purdue.edu /rhodcv/hort410/lettuc/lettuc.htm (262 words)

	lettuce - Wiktionary
		An edible plant, Lactuca sativa, having a head of green and/or purple leaves.
		(uncountable): The leaves of the lettuce plant eaten as a vegetable.
		I’ll have a ham sandwich with lettuce and tomato.
	en.wiktionary.org /wiki/Lettuce (72 words)

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