Technology is bringing precision agriculture one-step closer to widespread use
USDA-Agricultural Research Service scientists at the George E. Brown, Jr. Salinity Laboratory, Riverside, California, have developed general guidelines for soil mapping using mobile equipment. This advanced technology is valuable for looking at changes in soil quality over time; including the presence of pollutants such as salts, pesticides, and fertilizers; and for use in precision agriculture to determine areas that are to be managed to maximize yield, minimize environmental impacts, and optimize the use of resources.
Soil is a very diverse media, which can vary from one point to the next in its chemical and physical makeup. Many of these soil properties influence crop yield and can cause yield variations within fields. These soil properties also influence how pollutants move through soil and get into the groundwater or runoff into lakes and streams.
One useful means of mapping these changes is using mobile equipment to measure several soil properties simultaneously. In order to determine where to take the optimum number of soil samples that will characterize the patterns in soil properties within a field, information is first obtained through the use of a global positioning system (GPS). Using statistical software developed by Scott Lesch of the Salinity Laboratory, maps of soil properties are then created by a geographic information system (GIS). These maps are used to guide management decisions for precision agriculture.
Robotic weeders: to a farm near you?
10.01.2018 | American Society of Agronomy
Alfalfa loss? Annual ryegrass is a win
03.01.2018 | American Society of Agronomy
What enables electrons to be transferred swiftly, for example during photosynthesis? An interdisciplinary team of researchers has worked out the details of how...
For the first time, scientists have precisely measured the effective electrical charge of a single molecule in solution. This fundamental insight of an SNSF Professor could also pave the way for future medical diagnostics.
Electrical charge is one of the key properties that allows molecules to interact. Life itself depends on this phenomenon: many biological processes involve...
At the JEC World Composite Show in Paris in March 2018, the Fraunhofer Institute for Laser Technology ILT will be focusing on the latest trends and innovations in laser machining of composites. Among other things, researchers at the booth shared with the Aachen Center for Integrative Lightweight Production (AZL) will demonstrate how lasers can be used for joining, structuring, cutting and drilling composite materials.
No other industry has attracted as much public attention to composite materials as the automotive industry, which along with the aerospace industry is a driver...
Scientists at Tokyo Institute of Technology (Tokyo Tech) and Tohoku University have developed high-quality GFO epitaxial films and systematically investigated their ferroelectric and ferromagnetic properties. They also demonstrated the room-temperature magnetocapacitance effects of these GFO thin films.
Multiferroic materials show magnetically driven ferroelectricity. They are attracting increasing attention because of their fascinating properties such as...
The oceans are the largest global heat reservoir. As a result of man-made global warming, the temperature in the global climate system increases; around 90% of...
08.01.2018 | Event News
11.12.2017 | Event News
08.12.2017 | Event News
16.01.2018 | Materials Sciences
16.01.2018 | Life Sciences
16.01.2018 | Health and Medicine