Tree-ring data show history, pattern to droughts

Dendrochronologists have shown that tree-ring data produce a remarkably accurate history of droughts and other climate changes. Combined with reliable drought indices and historical descriptions of climate conditions, dendrochronology ...

Nitrogen fertilizers' impact on lawn soils

Nitrogen fertilizers from farm fields often end up in aquatic ecosystems, resulting in water quality problems, such as toxic algae and underwater 'dead zones'. There are concerns that fertilizers used on lawns may also contribute ...

NASA uses satellite to unearth innovation in crop forecasting

Soil moisture is essential for seeds to germinate and for crops to grow. But record droughts and scorching temperatures in certain parts of the globe in recent years have caused soil to dry up, crippling crop production. ...

Rain has eased the dry, but more is needed to break the drought

After the intensely dry conditions of 2019, January and February have brought much-needed rain. Dams in many cities and towns were replenished and some farmers may be able to grow a crop for the first time in several seasons. ...

Plant stress paints early picture of drought

In July 2012, farmers in the U.S. Midwest and Plains regions watched crops wilt and die after a stretch of unusually low precipitation and high temperatures. Before a lack of rain and record-breaking heat signaled a problem, ...

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