Articles Tagged “Trees”
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Tree growth more vulnerable to climate change
An 18-year study of 27,000 individual trees by National Science Foundation (NSF)-funded scientists finds that tree growth and fecundity–the ability to produce viable seeds–are more sensitive to climate change than previously thought. The results, published…
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Scientists discover that evergreen agriculture boosts crop yields
A distinctive acacia known as a “fertilizer tree” has typically led to a doubling or tripling of maize yields in smallholder agriculture in Zambia and Malawi, based on evidence presented in a conference within the…
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Planting Depth Affects Popular Landscape Tree
Landscape trees are increasingly being produced using container nursery systems rather than traditional field production practices. In contrast to field production techniques, successful container production requires a series of transplanting events in which trees are…
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Giant Sequoias Yield Longest Fire History from Tree Rings
A 3,000-year record from 52 of the world’s oldest trees shows that California’s western Sierra Nevada was droughty and often fiery from 800 to 1300, according to new research. Scientists reconstructed the 3,000-year history of…
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Genetically Engineered Poplar Plants Disarm Toxic Pollutants 100 Times Better Than Controls
Scientists since the early ’90s have seen the potential for cleaning up contaminated sites by growing plants able to take up nasty groundwater pollutants through their roots. Then the plants break certain kinds of pollutants…
