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29 Sep 2018Temporal and spatial changes in soil available phosphorus in China (1990–2012)

Ma JC, He P*, Xu XP, He WJ, Liu YX, Yang FQ, Chen F, Li ST, Tu, SH, Jin JY, Johnston A, Zhou W. Temporal and spatial changes in soil available phosphorus in China (1990–2012). Field Crops Research, 20 ...

29 Sep 2018Temporal and spatial variation of soil available potassium in China(1990–2012)

He P*, Yang LP, Xu XP, Zhao SC, Chen F, Li ST, Tu, SH, Jin JY, Johnston A. Temporal and spatial variation of soil available potassium in China (1990–2012). Field Crops Research, 2015, 173:49-56