Browsing Faculty of Graduate Studies Online Theses by Author "Ward, Amanda"
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Phosphorus limitation of soybean and alfalfa biological nitrogen fixation on organic dairy farms
Ward, Amanda (2011-04-12)Low plant available phosphorus limits legume growth and biological nitrogen fixation (BNF). This study examined, under controlled conditions, the relationship between soil phosphorus and alfalfa and soybean BNF on two ...