News tagged with crop water


Crop models help increase yield per unit of water used

Space & Earth / Environment

created May 04, 2009 | popularity 3 / 5 (2) | comments 0

Crop water use efficiency (WUE, or yield per unit of water used), also known as crop water productivity, can be improved through irrigation management and methods, including deficit irrigation (irrigating less than is required ...





Search results for crop water


Squeezing More Crop Out of Each Drop of Water

Squeezing More Crop Out of Each Drop of Water

Biology / Other

created Oct 09, 2009 | popularity 3.8 / 5 (4) | comments 0

(PhysOrg.com) -- Studies in China and Colorado by Agricultural Research Service (ARS) scientists and cooperators have revealed some interesting tactics on how to irrigate with limited water, based on a crop’s ...


Where is your soil water? Crop yield has the answer

Space & Earth / Environment

created Jul 01, 2008 | popularity 4.3 / 5 (4) | comments 0

Crop yield is highly dependent on soil plant-available water, the portion of soil water that can be taken up by plant roots. Quantitative determination of the maximum amount of plant-available water in soil using traditional ...


Aerial Imagery System Helps Save Water

Aerial Imagery System Helps Save Water

Space & Earth / Environment

created Sep 15, 2009 | popularity 4 / 5 (1) | comments 0

(PhysOrg.com) -- Agricultural Research Service (ARS) scientists are developing a system that saves water by using aerial imagery and ground-based sensors to determine the irrigation needs of small sections ...


Researchers create drought conditions to unearth solutions

Researchers create drought conditions to unearth solutions

Space & Earth / Environment

created Jul 31, 2009 | popularity 4 / 5 (4) | comments 0

Droughts have devastating effects on farmers. In most of the world, droughts are the leading cause of crop failure. Droughts increase consumer costs, kill livestock, reduce crop yields, and trigger wildfires ...


Historical increase in corn yield -- it's in the roots

Biology / Ecology

created Mar 16, 2009 | popularity not rated yet | comments 0

One of the most significant developments in agricultural growth in modern times has been the continuous and substantial increase in corn yield over the past 80 years in the U.S. Corn Belt.


Self seeding: An innovative management system

Biology /

created Apr 15, 2008 | popularity 4.8 / 5 (4) | comments 0

Winter cover crops provide important ecological functions that include nutrient cycling and soil cover. Although cover crop benefits to agroecosystems are well documented, cover crop use in agronomic farming systems remains ...


Measuring Canopy Cover

Digital cameras, remote satellites measure crop water demand

Space & Earth / Earth Sciences

created Jul 17, 2008 | popularity not rated yet | comments 0

Horticultural crops account for almost 50% of crop sales in the United States, and these crops are carefully managed to ensure good quality. But more information is needed about the crops' growth and response ...


Researcher working on corn varieties that need less nitrogen

Biology /

created Mar 14, 2008 | popularity 4 / 5 (2) | comments 0

Jonathan Lynch has made a name for himself doing ground-breaking (pun intended) research on the roots of bean and soybean plants in an effort to improve crop yields in places such as Africa, Asia and Latin America.


Sunn Hemp

Can hemp help the everglades?

Space & Earth / Environment

created Aug 06, 2007 | popularity 5 / 5 (6) | comments 1

Within Southern Florida, soil and water conditions indicate potential for leaching from the use of atrazine-based herbicides in corn crops. Scientists from USDA-Agricultural Research Service (ARS) and University ...


Researchers to determine if aeration reduces compaction, runoff on no-till fields

Space & Earth / Environment

created Apr 01, 2009 | popularity 5 / 5 (1) | comments 0

Much of Texas' wheat may be grazed as a part of a dual-use crop. But many fields are still prepared using conventional tillage, which may not efficiently capture rainfall - a key to economic success in a semi-arid environment, ...



List of search results for crop water