Soil Organic Carbon Accumulation Increases Percentage of Soil Olsen-P to Total P at Two 15-Year Mono-Cropping Systems in Northern China

by Pu SHEN, Xin-hua HE, Ming-gang XU, Hui-min ZHANG, Chang PENG, Hong-jun GAO, Hua LIU, Yong-mei XU, Song QIN, Hou-jun XIAO
Published 2014-03-01