session23 - Nutr 241A Agricultural Science and Policy I,...

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S e a r c h Readings: Session 23 Authors : Kathleen Merrigan, Ph.D., William Lockeretz, Ph.D. Readings David Pimentel, State of Science Review, forthcoming from The Organic Center Review materials at Key Questions State of Science Review Compare the conventional and organic systems for: yield levels during the transition period yield levels in drought years energy inputs crop economics labor requirements soil carbon and nitrogen build up nitrate leaching soil microbial population People who viewed this content, also viewed. .. LU1:Yellow Submarine-PDF tutorial Collection of Veterinary Integumentary System Images
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