News tagged with lettuce plants
Blue light irradiation promotes growth, increases antioxidants in lettuce seedlings
The quality of agricultural seedlings is important to crop growth and yield after transplantation. Good quality seedlings exhibit characteristics such as thick stems, thick leaves, dark green leaves, and large white roots. ...
Dec 12, 2011 |
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Parasitoid wasps protect lettuce and celery from pests
Scientists have found that a native British parasitoid wasp has been found to be very effective at controlling the shore flies that infest lettuce and celery greenhouses, damaging crops and annoying farmers.
Jul 05, 2011 |
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Lettuce gets a healthy suntan
Salad dressing aside, a pile of spinach has more nutritional value than a wedge of iceberg lettuce. That's because darker colors in leafy vegetables are often signs of antioxidants that are thought to have a variety of health ...
May 18, 2009 |
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Search results for lettuce plants
Fresh city tomatoes, any time
Why not produce lettuce, beans and tomatoes where most of the consumers are to be found: in the city? The flat roofs of many buildings are well-suited for growing vegetables. Rooftop greenhouses can also make ...
Feb 09, 2012 |
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Fuel from market waste
Mushy tomatoes, brown bananas and overripe cherries -- to date, waste from wholesale markets has ended up on the compost heap at best. In future it will be put to better use: Researchers have developed a new ...
Technology / Energy & Green Tech
Feb 09, 2012 |
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Entomologists devise new test for insecticide resistance
(PhysOrg.com) -- A 10-year study has led to a model that assesses the effectiveness of insect refuges in slowing evolution of resistance.
Jan 10, 2012 |
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Salt-tolerant crops show higher capacity for carbon fixation
Salt can have drastic effects on the growth and yield of horticultural crops; studies have estimated that salinity renders an about one-third of the world's irrigated land unsuitable for crop production. Imbalances in soil ...
Dec 12, 2011 |
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Study shows how parasites manipulate plants to attract insects
Pathogens can alter their hosts, for example malaria parasites can make humans more attractive to mosquitoes, but how they do it has remained a mystery. Scientists from the John Innes Centre on Norwich Research ...
Nov 07, 2011 |
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Workplace woes: The employment crisis isn’t just a lack of jobs -- it’s a lack of good jobs
The U.S. unemployment rate remains high. But the number of Americans without work is only part of our larger jobs crisis, says MIT economist Paul Osterman. The other part, he believes, is a deficit of worthwhile ...
Other Sciences / Economics & Business
Oct 18, 2011 |
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Filling the pantry for the first voyages to the Red Planet
(PhysOrg.com) -- A green thumb and a little flair as a gourmet chef may be among the key skills for the first men and women who travel to the Red Planet later this century, according to a scientist who reported ...
Space & Earth / Space Exploration
Aug 29, 2011 |
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Early suntan helps lettuce crops
New Zealand’s intense ultraviolet light may be bad for the skin, but it could provide a boost for vegetable production, according to new research by a Massey University crop scientist.
Aug 08, 2011 |
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Papaya plants reduce the need for pesticides on tomatoes in Florida, new study finds
Whiteflies can be biologically controlled in Florida greenhouse tomatoes, according to a new University of Florida study, which helps reduce the need for pesticide applications.
Jun 30, 2011 |
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The war on microbes
The outbreak of a new foodborne bacterial strain wreaking havoc in Germany is a reminder of the fast-changing nature of microbes and the dangers they pose to society. University of Arizona researchers are ...
Jun 16, 2011 |
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List of search results for lettuce plants
