Brazil land grab threatens isolated tribes: activists
The worst land grab in decades in the Brazilian Amazon is threatening the survival of isolated tribes that have no contact with the outside world, a rights group said Wednesday.
The worst land grab in decades in the Brazilian Amazon is threatening the survival of isolated tribes that have no contact with the outside world, a rights group said Wednesday.
Environment
Oct 27, 2016
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(Phys.org)—A large team of researchers with members from across the globe has found that small farms with higher densities of pollinators produce more food than those with lower densities—for larger farms, the difference ...
Most of us think that farmers grow and harvest crops for food. That's true for many crops: they either feed humans or farm animals. However, there's another category of crop that has a vital function in agricultural systems.
Environment
Sep 30, 2015
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In order to provide farmers and anyone else involved in managing agricultural ecosystems with a tool enabling them to assess the impact of their farming practices on the health of their crops and soils, the Basque Institute ...
Environment
May 25, 2015
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In conventional farming, the most frequently used herbicides for weed control have a negative impact on the environment. On the other hand, organic farmers enlist machines to battle unwanted growth. These machines guzzle ...
Ecology
Jan 13, 2015
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A systematic overview of more than 100 studies comparing organic and conventional farming finds that the crop yields of organic agriculture are higher than previously thought. The study, conducted by researchers at the University ...
Ecology
Dec 9, 2014
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The recent surge in organic farming has created a need for enhanced research efforts to inform the agricultural sector. George Boyhan from the Department of Horticulture at the University of Georgia says that "variety evaluations"—studies ...
Other
Jun 23, 2014
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Hundreds of scientists are helping Brazil's giant agricultural sector prepare for the effects of climate change and anticipate pests that hit neighboring countries.
Environment
Dec 16, 2013
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Cover crops may be in the hardest working plants in organic farming systems. A variety of dependable cover crops are used to subdue weeds, build productive soil, control pests and diseases, and enhance overall sustainability ...
Other
Oct 21, 2013
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In 1924, Science magazine reported on a fatal case of potato poisoning: James B. Matheney of Vandalia, Illinois, had gathered about one and a half bushels of tubers, which had turned green due to sunlight exposure. Two days ...
Biotechnology
Jul 31, 2013
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