Seasonal Cook: Asparagus fans support the delta's stalk market Apr 3, 2008
Article:Seasonal Cook: Asparagus fans support the delta's stalk:/c/a/2008/04/01/FDIDVQ7D3. DTL Article:Seasonal Cook: Asparagus fans support the delta's stalk:/c/a/2008/04/01/FDIDVQ7D3. (San Francisco Chronicle)
Iron Gets Into The North Pacific In Unexpected Ways, Will Impact Climate Change Predictions Mar 25, 2008
24, 2008) Most oceanographers have assumed that, in the areas of the world's oceans known as High Nutrient, Low Chlorophyll (HNLC) regions, the iron needed to fertilize infrequent plankton blooms comes almost entirely from wind-blown dust ... Understanding the origins, transport mechanisms, and fate of naturally occurring iron in high-nutrient, low-chlorophyll surface waters is important in calculating climate change. (Science Daily)
Cheap New Solar Cells Made Much More Efficient Mar 24, 2008
This is because the chlorophyll molecules in their leaves are arranged in the best possible sequence. During her PhD,* Annemarie Huijser attempted a partial recreation in solar cells of this process as found in plants. (Science Daily)
All sides of the issue -- alternative energies Mar 16, 2008
Through the process of photosynthesis, chlorophyll in plants captures the sun's energy by converting carbon dioxide from the air and water from the ground into carbohydrates, complex compounds composed of carbon, hydrogen and oxygen. When these carbohydrates are burned, they turn back into carbon dioxide and water and release the sun's energy they contain. (McPherson Sentinel, KS)
Visualizing Complex Pigment Mixtures In Living Cells Mar 8, 2008
With the method, they showed that photosynthesis-related pigments (chlorophylls, phycobilins and carotenoids) can be localized in vivo in cells of the cyanobacterium Synechocystis sp ... Using the technique, the researchers report that results obtained indicate a heterogeneous composition of thylakoid membranes in cyanobacteria: Phycobilin emission was most intense along the periphery of the cell whereas chlorophyll fluorescence was distributed more evenly throughout the cell, suggesting that... (Science Daily)
Study: Ocean 'deserts' expanding Mar 6, 2008
A sensor monitored "reflective color to measure the density of chlorophyll in phytoplankton, the microscopic plants that are the base of the marine food web," NOAA said. 2008 MSNBC Interactive. (MSNBC -- Environment)
Oceans' deserts expanding faster than predicted Mar 6, 2008
Polovina and his colleagues used data from NASA's SeaStar satellite, which maps ocean biological productivity (or the amount of chlorophyll produced by phytoplankton, the microscopic plants that form the base of the ocean food chain) around the world. These maps showed areas of low productivity in the Pacific Ocean expanding outward from the center toward Hawaii. (Xinhuanet, China)
Lessons written in green ink Feb 28, 2008
Leafy lessons for us, hand-written in green chlorophyll ink. The new plants have sprung from homely brown bulbs that have spent the winter resting underground, regrouping, recharging, recuperating, rejuvenating for a season, tucked away under a blanket of earth. (Buffalo Reflex, MO)
Choose an Organic Fertilizer Feb 20, 2008
Nitrogen is vital for chlorophyll production, so nitrogen-deficient plants appear yellow and stunted. Phosphorus helps plants grow healthy root systems. (Suite101.com)
Solar cell directly splits water for hydrogen Feb 18, 2008
Photosynthesis uses chlorophyll and other dye molecules to absorb visible light. So far, experiments with natural and synthetic dye molecules have produced either hydrogen or oxygen-using chemicals consumed in the process, but have not yet created an ongoing, continuous process. (EurekAlert!)
Waterwise Gardening Feb 11, 2008
This allows the grass blades to create more chlorophyll, have healthier and stronger root systems, and, along with organic compost, help make the plants more resistant to insects and fungal damage. Maintaining The Garden. (Suite101.com)
Living On 'The Red Edge': Rare Form Of Chlorophyll Discovered In Newly Sequenced Bacterium Feb 11, 2008
11, 2008) Researchers at Washington University in St. Louis and Arizona State University have sequenced the genome of a rare bacterium that harvests light energy by making an even rarer form of chlorophyll, chlorophyll d. Chlorophyll d absorbs "red edge," near infrared, long wave length light, invisible to the naked eye ... The genome is among the very largest of 55 cyanobacterial strains in the world sequenced thus far, and it is the first chlorophyll d --containing organism to be sequenced ...... (Science Daily)
Researchers decode genetics of rare photosynthetic bacterium Feb 8, 2008
A bacterium that harvests far-red light by making a rare form of chlorophyll (chlorophyll d) has revealed its genetic secrets, according to a team of researchers who recently sequenced the bacterias genome ... 4) of the Proceedings of the National Academy of Sciences, that they have sequenced the genome of the cyanobacterium, Acaryochloris marina, which through its production of chlorophyll d can absorb red edge, near infrared long wavelength light -- light that is invisible to the naked eye... (EurekAlert!)
Grass roots Organic, small farmers and producers carving food-market niche Jan 26, 2008
It is high in chlorophyll, which some studies have shown helps regenerate red blood cells and increase immunity. Mrs. McGlynn s enterprise is bolstered by her location near Waverly, where she said there is an underground movement of health professionals. (Scranton Times, PA)
T. Cook's menu, Iron Chefs Jan 25, 2008
The fish is all natural, clean-farmed, and high in healthy Omega-3 fats; the bok choy contains cleansing chlorophyll; the ginger is said to be healing. An entre of lamb, meanwhile, is dusted in turmeric (a free-radical-fighting antioxidant-rich curry spice) with lentils (soluble fiber and important vitamins) and dried fruit. (AZCentral -- Entertainment)
Behold the power of parsley Dec 20, 2007
The high levels of chlorophyll in parsley juice are believed to increase bloodflow and metabolize oxygen as well as cleansing urinary tract, liver and kidneys. Other positive benefits attributed to parsley include good digestion, aid with peristalsis in the lower intestine and aphrodisiac qualities. (Asia Times Online)
Honored for 20 years of lake protection Dec 13, 2007
These citizen monitors sample four to five times a year for clarity, phosphorus, chlorophyll and lake temperature. With this information, the trophic state-or overall health-of the lake can be measured more reliably. (Chetek Alert, WI)
Ripening Secrets Of The Vine Revealed Nov 28, 2007
10, 2007) The breakdown of chlorophyll in ripening apples and pears produces the same decomposition products as those in brightly-colored leaves. These colorless decomposition products are highly active. (Science Daily)
Delay In Autumn Color Caused By Increased Carbon Dioxide Not Global Warming Nov 18, 2007
The trees exposed to elevated CO2 retained their leaves for longer and also experienced a smaller decline in end of season chlorophyll content, resulting in a greener autumn canopy relative to that in ambient CO2. Professor Gail Taylor, of the University s School of Biological Sciences, explains. (Science Daily)
Kitchen mysteries Nov 17, 2007
The hydrogen ions of these acids react with chlorophyll molecules because these molecules contain a large square chemical pattern, the porphyrin group, at the center of which is a magnesium atom. Now, the hydrogen ions have a bad habit of taking the place of the magnesium ion in this porphyrin group and of thus transforming the various kinds of chlorophylls into pheophytins, which absorb different components of light ... But from this analysis emerges a solution: not heating the vegetables for... (The Scientist)
Greenhouse classes Nov 15, 2007
But if you catch a clean pane, you can peer in on creatures far smarter than you -- a little kingdom of chlorophyll that knows most everything you could possibly ask. Yes, there's plenty of work for the biologists here, a whole encyclopedic Eden. (The Cavalier Daily, VA)
Mistletoe a Plant Parasite Nov 15, 2007
All are parasitic plants, or more correctly, hemiparasites, of trees: they take water and nutrients from the plant they grow on, but also produce some chlorophyll and draw energy from the sun. Having no true roots, they produce structures called sinkers and haustoria, which penetrate host tissues. (Suite101.com)
Atmospheric CO2 rise changes face of autumn Nov 15, 2007
They found that the trees exposed to elevated CO2 levels retained their leaves for longer, and also experienced a smaller decline in end-of-season levels of chlorophyll, the green pigment found in leaves. The elevated CO2 concentration also resulted in a greener autumn canopy compared with the canopy of poplars grown in atmospheric conditions with lower levels of CO2. (Xinhuanet, China)
Ripe Fruit Contains Highly Active Antioxidants Nov 10, 2007
utler at the University of Innsbruck has now determined that the breakdown of chlorophyll in ripening apples and pears produces the same decomposition products as those in brightly colored leaves. As the researchers report in the journal Angewandte Chemie, these colorless decomposition products, called nonfluorescing chlorophyll catabolytes (NCC), are highly active antioxidants making them potentially very healthy ... This process causes the disappearance of chlorophyll, which is what gives... (Science Daily)
Autumn is here! Wheres all the color? Nov 2, 2007
One is chlorophyll, which gives leaves their basic green color. During the growing season, chlorophyll is continually produced, keeping the leaves green ... As night length increases, this gradually slows downs and eventually all the chlorophyll is gone, leaving the carotenoids and anthocyanins the chance to show their color. (Brownstown Jackson County Banner, IN)
Red leaves help stressed trees survive Oct 31, 2007
Orange and yellow pigments, which exist in the leaf all year but only show up once the green chlorophyll leaves the leaf, were better understood than the ruddy pigments on sweetgum and red maple trees. advertisement. (MSNBC -- Environment)
Why autumn leaves turn red Oct 30, 2007
As autumn approaches, trees begin to break down the green chlorophyll in their leaves and redistribute the nutrients contained there to their trunk and roots ... The yellow colour seen in some autumn trees results from the loss of chlorophyll simply unmasking the yellow carotinoids that were there all along ... Photosynthesis becomes more difficult as chlorophyll is broken down, and leaves become more susceptible to damage from the Sun. (Nature News Service)
Red fall color linked to poor soil Oct 30, 2007
As the season turns, cooler temperatures and shorter days inhibit production of chlorophyll, the molecule that enables plants to absorb energy from the sun and gives leaves their green color. As the chlorophyll dwindles, the yellow pigments that it masked become apparent to the eye. (Harrisburg Daily Register, IL)
Dry days, cool nights make autumn splendor Oct 26, 2007
Bright underlying colors emerge in leaves when trees stop producing chlorophyll in the fall ... They're just masked by the green chlorophyll in leaves, which is busy making food by photosynthesis while the sun shines ... Come autumn, shorter days and cooler temperatures cause trees to switch into energy-storage mode, at which point their leaves stop producing chlorophyll. (Boston Globe -- Living)
NASA's sea-viewing satellite detects climate change Oct 26, 2007
In the video, purples and blues indicate low concentrations of chlorophyll, which plants and phytoplankton use to gather light energy, whereas yellows, oranges and reds show the highest concentrations. "Without SeaWiFS, any chance of producing data to assess climate change would not be possible," said Gene Feldman, SeaWiFS project manager at NASA's Goddard Space Flight Center in Greenbelt, Maryland. (Xinhuanet, China)
Why Do Leaves Change Color In The Fall? Oct 17, 2007
When chlorophyll disintegrates rapidly, carotene shines through as the yellow in maple, aspen and birch leaves ... The leaves of trees and other plants contain three main pigments: carotene, anthocyanin, and the photosynthetic pigment, chlorophyll, which captures the sun s energy to make food for plants ... As the most abundant pigment, chlorophyll is what gives leaves their green hue in spring and summer. (Science Daily)
Balmy days help autumn reveal its true colours Oct 14, 2007
They contain the green pigment chlorophyll which uses sunlight to convert nutrients, sucked in by roots from the soil, into proteins and starches - the process of photosynthesis ... The remaining chlorophyll left on the leaf decomposes and disappears, leaving other pigments to show though. (Guardian Unlimited -- UK)
The autumn palette Oct 8, 2007
At the same time, chlorophyll -- the green pigment that gives leaves their color in the spring and summer -- starts breaking down. "As the green color begins to break down, then we can see all the other pigments in the leaf," Koster explained. (Sioux City Journal, IO)
Even Martha Stewart Living recognizes Greene County is the place to be for autumn leaves Oct 1, 2007
Trees use sunlight and chlorophyll, the green pigment in leaves, to convert carbon dioxide and water into sugar, a source of energy. When days grow shorter and temperatures drop, chlorophyll begins to break down, causing other pigments masked by the chlorophyll to emerge. (Pittsburgh Post-Gazette, PA)
New butterflies,snakes and orchids discovered Sep 28, 2007
They contain no chlorophyll and live on decaying matter, like many fungal species. The other new plants include the Aspidistra nicolai which produces an almost black flower and a new species of arum, the Cryptocoryne vietnamica, which has beautiful yellow flowers surrounded by funnel-shaped leaves. (People & the Planet)
Eleven new species found in Vietnam's Green Corridor Sep 27, 2007
Three of the new orchid species are entirely leafless and contain no chlorophyll. Rather than using the sun's energy they live on decaying matter, like many fungi. (Yahoo News -- Environment & Nature)
Vietnamese wilderness yields more new species Sep 27, 2007
Three of the orchid species are entirely leafless, have no chlorophyll and, like many fungal species, live on decaying matter. The other new plants include the Aspidistra nicolai which produces an almost black flower and a new species of arum, the Cryptocoryne vietnamica, which has yellow flowers surrounded by funnel-shaped leaves. (Globe and Mail)
Many species of grasses used to feed the world Sep 27, 2007
These grasses are very beneficial health-wise as they are concentrated sources of carbohydrates, Vitamin Bs, fatty acids, minerals, starch, dietary fiber and proteins; and also other healthy stuff such as chlorophyll, high levels of anti-oxidants, and Vitamin K needed for blood clotting. Our wonderful bodies know how to process all of these and needs them all to function in a healthful way. (Great Falls Prairie Star, MT)
WWF: New animal, plant species found in Vietnam Sep 27, 2007
They contain no chlorophyll and live on decaying matter, like many fungal species. According to the WWF, all these species are at risk from illegal logging, hunting, unsustainable extraction of natural resources and conflicting development interests. (Xinhuanet, China)
Eleven new animal, plant species found in Vietnam: WWF Sep 26, 2007
Like many fungal species, they contain no chlorophyll and live on decaying matter. WWF is also examining 10 other plant species, including four orchids, which also appear to be new species. (Yahoo News -- Top Stories)
New species found in Vietnam's Green Corridor Sep 26, 2007
Gastrodia theana A very rare leafless orchid which has no chlorophyll and lives on decaying matter, similar to many fungal species, the species name is in honour of the discoverer, a young Vietnamese botanist called Pham Van The. Lecanorchis vietnamica - Also a rare leafless orchid living on dead and decaying matter, it is another species known only from closed primary forest in Hue province, and named after the country of origin and is likely to be only found from this area of Vietnam. (Telegraph.co.uk)
Ice storm, Easter freeze, could leave mark on Autumn\'s annual show ... University examines new location for future health science building ... Transportation supporters may use petition process ... Vernon County native, actress, dies in Los Angeles at 81 ... University officials object to restrictions on Ashcroft speech ... ';var marqueewidth="350px";var marqueeheight="25px";var marqueebgcolor="#FFFFFF";////NO NEED TO EDIT BELOW THIS LINE////////////var pauseit=1;var marqueespeed=1 //slow speed down by 1 for NSvar copyspeed=marqueespeedvar pausespeed=(pauseit==0)? copyspeed: 0var iedom=document.all||document.getElementByIdif (iedom)document.write(''+marqueecontent+'')var actualwidth=''var cross_marquee, ns_marqueefunction populate(){if (iedom){cross_marquee=document.getElementById? document.getElementById("iemarquee") : document.all.iemarqueecross_marquee.style.left=parseInt(marqueewidth)+8+"px"cross_marquee.innerHTML=marqueecontentactualwidth=document.all? temp.offsetWidth : document.getElementById("temp").offsetWidth}else if (document.layers){ns_marquee=document.ns_marquee.document.ns_marquee2ns_marquee.left=parseInt(marqueewidth)+8ns_marquee.document.write(marqueecontent)ns_marquee.document.close()actualwidth=ns_marquee.document.width}lefttime=setInterval("scrollmarquee()",20)}window.onload=populate;function scrollmarquee(){if (iedom){if (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8))cross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed+"px"elsecross_marquee.style.left=parseInt(marqueewidth)+8+"px"}else if (document.layers){if (ns_marquee.left>(actualwidth*(-1)+8))ns_marquee.left-=copyspeedelsens_marquee.left=parseInt(marqueewidth)+8}}if (iedom||document.layers){with (document){document.write('')if (iedom){write('')write('')write('')write('')}else if (document.layers){write('')write('')write('')}document.write('')}}Sunday, September 23, 2007 Ice storm, Easter freeze, could leave mark on Autumn's annual show Sep 23, 2007
Carthage's trademark maples usually change from their nourishing greens to fiery reds and oranges as leaves rid themselves of the green chlorophyll they use to make food from sunlight through the summer and allow the red and orange pigments, already in place in the leaves, to come out. Other trees, such as sumacs, elms, and others, join in the colorful show with bright reds, purples, yellows and oranges, however, the January ice storm broke millions of limbs, and the Easter freeze killed off the... (Carthage Press, MO)
Hot Springs and Mudpots Sep 18, 2007
Microbes are colored by pigments like chlorophyll in green plants and carotene found in carrots. These microbes are known as thermophiles because they love heat (root therm as related to heat). (Suite101.com)
Why trees turn different colors Sep 18, 2007
"The other half in the story is that while the plants are sending their goodies back into the stem, they're breaking down the chlorophyll (green pigment in the leaves). Other pigments start to get exposed the carotenes yellowish colors, orangish colors.". Normally, he says, the chlorophyll masks the carotenes, but those carotenes are always there and play an important role. (Albany Times Union)
Getting enough fruits and vegetables? Sep 18, 2007
Green: chlorophyll, fiber, lutein, zeaxanthin, folate, glucoraphanin, vitamin C, calcium and beta-Carotene. Purple/blue: anthocyanins, lutein, zeaxanthin, resveratrol, vitamin C, fiber, flavonoids, ellagic acid and quercetinSource. (The Clarion-Ledger)
'The colors, oh the fall colors' Sep 15, 2007
Chlorophyll in the leaves of trees yield a green color. The leaves use the chlorophyll to create food for the entire tree ... Chlorophyll absorbs energy from the sun to turn water and carbon dioxide into the sugars and starches that are the tree's food. (Camdenton Lake Sun Leader, MO)
Tree woes valid but most will be fine by springtime Sep 15, 2007
That s the chlorophyll ... Sometimes trees surprise us, and actually sometimes stressed trees show more color than healthy trees because trees that are stressed aren t producing chlorophyll. (Skieston Standard Democrat, MO)
The Science of Fall Foliage Aug 22, 2007
Plants use both chlorophyll and carotenids to absorb light. Yet, green light is not absorbed or is reflected by chlorophyll, resulting in leaves appearing green ... As fall approaches and the amount of sunlight decreases, plants begin to slow their production of chlorophyll, eventually stopping it altogether. (Suite101.com)
Fertilizer 101 by the Numbers Aug 18, 2007
Plays an important role in photosynthesis and chlorophyll production ... Necessary for the formation of the chlorophyll ... Important to the formation of chlorophyll and the activation of the initial growth process. (Suite101.com)
Icebergs teem with diverse life Aug 17, 2007
From water samples taken at various depths and distances from the icebergs, scientists measured the presence of biological activity, such as chlorophyll (the green pigment in plant life that facilitates photosynthesis), phytoplankton (microscopic floating plants like algae that form the base of the marine food chain), zooplankton (tiny marine animals) and micronekton (free-swimming animals bigger than plankton but smaller than 4 inches in length). Like all Antarctic icebergs, A-52 and W-86... (San Diego Union-Tribune)
AGU Journal Highlights -- Aug. 14, 2007 Aug 15, 2007
From satellite observations over the oceans from that time, Vinayachandran et al. find that the eastern Indian Ocean not only exhibited colder sea surface temperatures, but also showed lower sea levels and higher chlorophyll content than normal. By contrast, the western Indian ocean was marked by warmer sea surface temperatures, higher sea level, and a steep, deeper thermocline. (EurekAlert!)
At age 50, Lake Lanier is struggling Aug 11, 2007
And among the limits set by Georgia for Lanier and Allatoona, only the levels of chlorophyll A which indicates the presence of algae have been too high. Elizabeth Booth, the state water expert who set the lake limits, says the chlorophyll A standards may too stringent ... In April, the state recorded Allatoona levels of chlorophyll A, the green pigment in plants, at more than three times the acceptable limit. (Atlanta Journal-Constitution -- Metro)
In hot water: Flathead Lake feeling the effects of scorching summers Aug 5, 2007
And the last target, chlorophyll A, which shouldn't exceed one microgram per liter of lake water, is looking good too. It means the total biomass of algae is not too high. (Missoulian, MT)
Pond bacterium converts light to energy Jul 29, 2007
"Finding a previously unknown, chlorophyll-producing microbe is the discovery of a lifetime," co-author Don Bryant, a professor of biotechnology at Penn State University, said in a statement ... The researchers said the new bacterium has light-harvesting antennae known as chlorosomes, which contain about 250,000 chlorophylls each ... thermophilum makes two types of chlorophyll that allow these bacteria to thrive in microbial mats and to compete for light with other bacteria. (Herald Online, SC -- Health)
Look again. That's not moose drool on your plants Jul 27, 2007
They usually feed in groups and can strip leaves of all chlorophyll. When disturbed, they emit a strong order from glands at the top of their bodies. (Anchorage Daily News)
Salads taste better when magically chopped Jul 25, 2007
I can smell it,'' said Randi, ``the chlorophyll. . (Albany Times Union)
Potentially lovely Lady in Red sometimes fails to woo fans Jul 20, 2007
Lacebug likely is your culprit, and the white leaves show you the chlorophyll they have sucked out of your plants. Turn a leaf over and if there are black specks, you've got lacebugs. (The Clarion-Ledger)
No Strings Attached Jul 16, 2007
Once the acids hit the chlorophyll or other coloring compounds, often around the 6- or 7-minute mark of cooking, the color begins to dull. Even if vegetables cook for just a minute or two, the residual heat after they're removed from the boiling water can affect the color. (Boston Globe)
Cleaning up mold at Tokay High requires 8-step process Jun 30, 2007
Like other fungi, mold lacks chlorophyll, the chemical plants use to manufacture their own food, so it must digest whatever it grows on to survive. Fungi, like mold, don't traditionally fit in either the plant or animal kingdoms, but take on characteristics of both plants and animals. (Lodi News Sentinel, CA)
Fine kettle of nettles Jun 21, 2007
" "The greens contain significant amounts of protein, chlorophyll, vitamins A, C and D and minerals iron, calcium, potassium and manganese. " Nettles have also been called by herbal gurus a diuretic and a laxative. Schofield recommends steaming them to get the most out of what many describe as a flavor similar to spinach. That would also preserve many of the weed's valued nutrients. Kilcher said he likes them best lightly sauteed. That would indeed allow the nettles to keep the potency he talked... (Anchorage Daily News)
Understanding Algae That Are Both 'Plant' And 'Animal' Jun 21, 2007
This is only possible thanks to the chlorophyll and other pigments which can capture the sunlight energy. With this energy and nutrients (e. (Science Daily)
Plant Life On Extrasolar Earthlike Planets Could Be Black Jun 21, 2007
Plants on Earth are green because of chlorophyll, which harnesses the energy of the sun to make sugars for metabolism ... " Blankenship is co-author of two papers recently published in the journal Astrobiology. The papers detail the kinds of clues that researchers are looking for and explore theories of what these other worlds might be like. Blankenship is part of a NASA working group based at the Jet Propulsion Laboratory called the Virtual Plant Laboratory. He and his colleagues are studying... (Science Daily)
Will nitrogen deficiency affect Midwest corn? Jun 13, 2007
"Our surveys show that nearly 84 percent of growers made changes to their nitrogen fertilizer programs based on this information." Crop images provided by remote sensing services, such as the OptiGro(tm) system from John Deere Agri Services, make it even easier to detect even subtle changes in chlorophyll levels within the crop canopy, which correlate directly to nitrogen availability to the plants. "By the time the telltale yellow leaves associated with severe nitrogen deficiency are noticed in... (Mt. Pleasant News, IA)
Algae bloom worries experts Jun 10, 2007
DNR's Fort McHenry station analyzes the harbor water for chlorophyll, salinity and dissolved oxygen ... About a week later, the Fort McHenry station showed a spike in the chlorophyll levels to about 170 micrograms per liter -- values at 100 mpl are considered to be a severe bloom ... A few days later, on May 27, the chlorophyll level skyrocketed again to 331 mpl, what Place calls "a very, very impressive chlorophyll value." A week of gluttony for the plants ensued, and officials began... (SunSpot.net)
Agri-Tech: JD OptiGro program straps digital cameras to Cessna landing gear Jun 7, 2007
They may use a chlorophyll or reflected light sensor if they want to find out if corn or wheat needs more nitrogen, for instance. Information is only needed from a few areas of the field at ground level. (Sioux Falls Tri-State Neighbor, SD)
