Main effects of year on cover crop biomass, tissue N concentration and accumulation, June soil NO3--N, stand composition, and winter ground cover 2004–05 through 2009–10.
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Means within a column followed by different letters are significantly different (P CV is coefficient of variation over years.Main effects of year on cover crop biomass, tissue N concentration and accumulation, June soil NO3--N, stand composition, and winter ground cover 2004–05 through 2009–10.
创建时间：
2015-12-03
