Podcast: Improving Agriculture From the Ground Down

BOSTON—How will agriculture be able to meet the needs of a growing global population? How can food production rise without increasing arable land and water usage? Michelle Watt digs deep into this issue: right down to the roots. Here, at the annual meeting of AAAS (which publishes ScienceNOW), Watt explains to Kerry Klein that a greater understanding of root systems could lead to increased crop yields in a wide diversity of climates.

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