News tagged with crop water
USDA irrigation research: Good to the last drop
U.S. Department of Agriculture (USDA) scientists are ensuring that farmers in the Pacific Northwest are benefiting from every drop of crop irrigation water.
May 23, 2012 |
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How plants chill out
Plants elongate their stems when grown at high temperature to facilitate the cooling of their leaves, according to new research from the University of Bristol published today in Current Biology. Understanding why plants alter ...
May 21, 2012 |
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Scientist: when it comes to energy crops, do the math
The successful conversion of crops to fuel is all about the math, according to a Texas AgriLife Research scientist.
May 15, 2012 |
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Worst drought in 50 years takes toll in northern Brazil
Severe drought gripping northeastern Brazil -- the worst in a half-century -- is taking its toll on more than 1,100 towns, even triggering fighting in rural areas, local media reported Sunday.
May 14, 2012 |
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Landsat satellites see Texas crop circles
(Phys.org) -- A water-rich polka dot pattern takes over the traditional rectangular patchwork of fields in this time series animation of 40 years of Landsat images. In the dry Texas panhandle near the town of Dalhart, this ...
Space & Earth / Earth Sciences
Apr 27, 2012 |
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Half of England in drought: officials
Half of England was officially in drought on Monday after the Environment Agency declared another 17 counties short of water, and warned the situation may continue until the end of the year.
Apr 16, 2012 |
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Strip-till improves soybean yield
Crop yield can be improved by ensuring adequate nutrient availability. But how should you place the fertilizer and what cropping system gives the best yields?
Apr 12, 2012 |
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Small clique of nations found to dominate global trading web of food, water
It's not easy, or economically feasible, to ship freshwater across the globe. But when scientists use food as a proxy for that water - taking into account how much crops are irrigated and livestock are fed - they can get ...
Mar 22, 2012 |
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Plants can 'remember' drought and change responses to survive
(PhysOrg.com) -- Plants subjected to a previous period of drought learn to deal with the stress thanks to their memories of the experience, new research has found.
Mar 15, 2012 |
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Cactus may give farmers a cure for poisoned crop land
The prickly pear cactus may not sound like a trendy cash crop, but it could become a phenomenon among farmers on the arid west side of California's San Joaquin Valley.
Feb 02, 2012 |
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Extreme droughts could increase by 15 percent in Spain by the middle of the century
A team at the Polytechnic University of Cartagena has designed a new method for calculating drought trends. Initial results suggest that by the year 2050 there could be a 15% increase compared to the droughts ...
Jan 26, 2012 |
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Chemical signal helps plants control their “breathing”
For most plants, staying alive means adapting quickly to a constantly changing environment. In a drought, staving off water loss is vital. On a sunny day, absorbing carbon dioxide to generate energy through ...
Jan 13, 2012 |
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Improved rainwater harvesting system promising
Ridge and furrow rainwater-harvesting (RFRH) systems with mulches were first researched in the flat, lowland, semiarid conditions of northwest China to improve water availability and to increase crop production. ...
Dec 13, 2011 |
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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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Mapping underground water sources for drip irrigation could transform African village life
(PhysOrg.com) -- Rural farmers in sub-Saharan Africa live under risky conditions. Many grow low-value cereal crops that depend on a short rainy season, a practice that traps them in poverty and hunger.
Space & Earth / Earth Sciences
Dec 06, 2011 |
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