Posts Tagged ‘soil’
Plants create water-rich spots around roots
UC DAVIS (US) — Soil scientists have shown for the first time that the soil around plant roots contains more water than does soil in other areas. Continue…
Tuesday, September 27, 2011 16:45 - 1 Comment
Earth & Environment - Dec 10, 2010 16:42 - 0 Comments
State’s iron legacy still toxic to soil
PENN STATE (US) — Some areas of soil in the state of Pennsylvania contain 14,000 parts per million of manganese—more than 17 times as much as in the surrounding bedrock. (more…)
Earth & Environment - Nov 8, 2010 16:10 - 0 Comments
Radioactive cleanup takes (more) time
IOWA STATE (US) — Distorted formulas have wrongly swayed theories of how long it takes to transform a contaminated area into one free of pollution. (more…)
Earth & Environment - Oct 20, 2010 11:19 - 0 Comments
Logging packs bigger punch than fire
U. OREGON (US) — Soil stability and unprecedented erosion remains a problem half a century after clear-cut logging and related road building took place in the 1950s and ’60s. (more…)
Earth & Environment - Sep 9, 2010 11:39 - 0 Comments
Helping African farmers help themselves
CORNELL (US)—Two efforts led by researchers at Cornell University aim to improve soil health and advance plant breeding on small farms in Africa to lessen food insecurity, hunger, and poverty. (more…)
Earth & Environment - Feb 23, 2010 11:05 - 0 Comments
Roots key to second Green Revolution
PENN STATE (US)—Root systems are the basis of the second Green Revolution, and the focus on beans and corn that thrive in poor growing conditions will help some of the world’s poorest farmers, according to a Penn State plant scientist. (more…)
Earth & Environment - Dec 21, 2009 15:35 - 0 Comments
Greener way to build ski runs
UC DAVIS (US)—Building a new ski run by bulldozing a mountainside rather than only cutting its shrubs and trees is far more damaging ecologically, yet might offer only a week’s earlier start to the downhill season. (more…)
Earth & Environment - Dec 1, 2009 13:30 - 2 Comments
How much snow? Check your GPS
U. COLORADO (US)—Researchers have found a clever way to use traditional GPS satellite signals to measure snow depth as well as soil and vegetation moisture, a technique expected to benefit meteorologists, water resource managers, climate modelers, and farmers. (more…)
Earth & Environment - Sep 29, 2009 4:09 - 2 Comments
Fertilizer not a cure-all for African poverty
CORNELL (US)—Researchers have linked poverty in sub-Saharan Africa with poor soil health, but two new studies find that the recommended practice of applying more fertilizer may not help the poorest farmers. (more…)
