2月19日在圣地亚哥举行的美国科学促进协会的年会上的演讲中Chadwick指出波多黎各同样依靠非洲的尘土来施肥。
Speaking February 19th at the annual meeting of the American Association for the Advancement of Science in San Diego, Chadwick noted that Puerto Rico also relies on African dust for fertilization.
2月19日在圣地亚哥举行的美国科学促进协会的年会上的演讲中Chadwick指出波多黎各同样依靠非洲的尘土来施肥。
Speaking February 19th at the annual meeting of the American Association for the Advancement of Science in San Diego, Chadwick noted that Puerto Rico also relies on African dust for fertilization.
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