Soil Organic Carbon Accumulation Increases Percentage of Soil Olsen-P to Total P at Two 15-Year Mono-Cropping Systems in Northern China
SHENPu, HEXin-hua, XUMing-gang, ZHANGHui-min, PENGChang, GAOHong-jun, LIU
Soil Organic Carbon Accumulation Increases Percentage of Soil Olsen-P to Total P at Two 15-Year Mono-Cropping Systems in Northern China
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