Grain Yield and Nitrogen Accumulation in Maize Hybrids Released during 1934 to 2013 in the US Midwest
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DOI: 10.2135/cropsci2016.08.0704
Abstract: Nitrogen (N) application in maize (Zea mays L.) reached a maximum of 145 kg N ha(-1) in the US Midwest in 1975. Grain yield has continued to increase at a rate of 111 kg ha(-1)… read more here.
Keywords: grain yield; hybrids released; 1934 2013; yield ... See more keywords