News tagged with soil nutrients
Study: 800-year-old farmers could teach us how to protect the Amazon
In the face of mass deforestation of the Amazon, we could learn from its earliest inhabitants who managed their farmland sustainably. Research from an international team of archaeologists and paleoecologists, ...
Apr 09, 2012 |
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Study finds trees not so large carbon sinks
The capacity of trees to counter rising carbon dioxide levels in the atmosphere may not be as great as previously thought, according to a new study with significant implications for predicting future climate ...
Oct 27, 2010 |
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Diverse ecosystems are crucial climate change buffer
Preserving diverse plant life will be crucial to buffer the negative effects of climate change and desertification in in the world's drylands, according to a new landmark study.
Jan 12, 2012 |
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Life Underground Critical to Earth's Ecosystems
(PhysOrg.com) -- "I wonder if I shall fall right through the Earth!" mused Alice-in-Wonderland as she tumbled down the rabbit-hole." How funny it'll seem to come out among people that walk with their heads ...
Jul 29, 2009 |
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Restored wetlands rarely equal condition of original wetlands
Wetland restoration is a billion-dollar-a-year industry in the United States that aims to create ecosystems similar to those that disappeared over the past century. But a new analysis of restoration projects ...
Jan 24, 2012 |
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Environmental effects of cold-climate strawberry farming
Strawberries are America's fifth-favorite fruit, according to consumption rates. California and Florida grow more than 95% of the nation's strawberries; an additional 12,000 acres are planted in other states. Strawberries ...
Sep 05, 2009 |
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Corn yields with perennial cover crop are equal to traditional farming
Soil quality, water quality, and possibly even farm profits will all benefit by using a perennial cover crop on corn fields that allows for similar yields to traditional farming methods, according to Iowa ...
Jul 25, 2011 |
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Tree rings may underestimate climate response to volcanic eruptions: study
Some climate cooling caused by past volcanic eruptions may not be evident in tree-ring reconstructions of temperature change because large enough temperature drops lead to greatly shortened or even absent growing seasons, ...
Space & Earth / Earth Sciences
Feb 05, 2012 |
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Ants take on Goliath role in protecting trees in the savanna from elephants
(PhysOrg.com) -- Ants are not out of their weight class when defending trees from the appetite of nature's heavyweight, the African elephant, a new University of Florida study finds.
Sep 02, 2010 |
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Fungi-filled forests are critical for endangered orchids
When it comes to conserving the world's orchids, not all forests are equal. In a paper to be published Jan. 25 in the journal Molecular Ecology, Smithsonian ecologists revealed that an orchid's fate hinges ...
Jan 24, 2012 |
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Agricultural bacteria: Blowing in the wind
The 1930s Dust Bowl proved what a disastrous effect wind can have on dry, unprotected topsoil. Now a new study has uncovered a less obvious, but equally troubling impact of wind: Not only can it carry away soil particles, ...
May 09, 2012 |
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Analysis raises atmospheric, ecologic and economic doubts about forest bioenergy
A large, global move to produce more energy from forest biomass may be possible and already is beginning in some places, but scientists say in a new analysis that such large-scale bioenergy production from ...
Apr 18, 2012 |
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Drought-exposed leaves adversely affect soil nutrients, study shows
Chemical changes in tree leaves subjected to warmer, drier conditions that could result from climate change may reduce the availability of soil nutrients, according to a Purdue University study.
Apr 05, 2011 |
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Coconut palms bring ecological change to tropics, researchers say
(PhysOrg.com) -- Those graceful coconut palms swaying in tropical breezes are lowering nutrient levels in the soils and the plants around them, thereby altering the eating habits of animals. Researchers say ...
Jan 21, 2010 |
3.7 / 5 (3) |
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Sustainable Corn Production Supports Advanced Biofuel Feedstocks
(PhysOrg.com) -- Researchers worldwide are trying to economically convert cellulosic biomass such as corn stover into "cellulosic ethanol." But Agricultural Research Service (ARS) scientists have found that ...
Nov 25, 2009 |
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