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Agriculture (1089)

For people who have an interest in the latest agricultural practices, technology, techniques and related applications. 

Agricultural intensification not a 'blueprint' for sustainable development
New research suggests that the combined social and ecological results of increased agricultural intensification in low and middle-income countries are not as positive as expected. The study is the first to bring together current knowledge on how agricultural intensification affects both the environment and human wellbeing in these countries. www.sciencedaily.com/releas...
Key ocean fish can prevail with changes to farmed fish, livestock diets
A new study shows that if current aquaculture and agriculture practices remain unchanged into the future, wild forage fish populations likely will be overextended by the year 2050, and possibly sooner. However, making sensible changes in aquaculture and agriculture production would avoid reaching that threshold. www.sciencedaily.com/releas...
Lentils significantly reduce blood glucose levels, U of G study reveals
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(University of Guelph) Replacing potatoes or rice with pulses can lower your blood glucose levels by more than 20 per cent, according to a first-ever University of Guelph study.Researchers found that swapping out half of a portion of these starchy side dishes for lentils can significantly improve your body's response to the carbohydrates.Replacing half a serving of rice with lentils caused blood glucose to drop by up to 20 per cent. Replacing potatoes with lentils led to a 35-per-cent ... www.eurekalert.org/pub_rele...
Breeding better Brazilian rice
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(American Society of Agronomy) Rice production in Brazil is a multi-billion-dollar industry. It employs hundreds of thousands of people, directly and indirectly. Given the importance of rice farming in Brazil, researchers are working to develop improved rice varieties. www.eurekalert.org/pub_rele...
The Green Promise of Vertical Farms
Indoor farms run by AI and lit by LEDs can be more efficient than field agriculture, but can they significantly reduce greenhouse gas emissions? spectrum.ieee.org/energy/en...
New research in Kenya finds sweet spot for harvesting reef fish
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(Wildlife Conservation Society) An age-old challenge of determining the right amount of fish to harvest from the sea has finally been overcome with the creation of a new biomass-yield model that captures all the necessary factors for accuracy, according to a new WCS (Wildlife Conservation Society) study. www.eurekalert.org/pub_rele...
Large-scale study indicates novel, abundant nitrogen-fixing microbes in surface ocean
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(Marine Biological Laboratory) A large-scale study of the Earth's surface ocean indicates the microbes responsible for fixing nitrogen there -- previously thought to be almost exclusively photosynthetic cyanobacteria-include an abundant and widely distributed suite of non-photosynthetic bacterial populations. www.eurekalert.org/pub_rele...
Volcanic activity, declining ocean oxygen triggered mass extinction of ancient organisms
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(Florida State University) Researchers from Florida State University have found the first conclusive evidence that millions of years ago, powerful volcanoes pumped Earth's atmosphere full of carbon dioxide, draining the oceans of oxygen and driving a mass extinction of marine organisms www.eurekalert.org/pub_rele...
High-protein corn also resistant to parasitic weed
In sub-Saharan Africa, 20 to 80% of corn yields may be lost because of a semi-parasitic plant, Striga. In areas infested with Striga, farmers may even lose their entire crops. In a new study, researchers from southern Africa identified several varieties of corn resistant or tolerant to Striga. Importantly, these varieties also have improved nutritional content, particularly protein. www.sciencedaily.com/releas...
Getting conservationists and fishers on the same page
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(San Diego State University) Historically, fisheries and the conservation community have struggled to find common ground. Now, a new online tool provides daily computer-generated maps to help fishermen target productive fishing spots while alerting them to areas likely to harbor protected species. www.eurekalert.org/pub_rele...