Mineral changes in a Danish alfisol caused by 30 years of potassium depletion in the field

Liu, GD; Nielsen, NE; Hansen, HCB; Borggaard, OK; SCI

机构： SHANDONG ACAD AGR SCI,SOIL & FERTILIZER INST,JINAN 250100,PEOPLES R CHINA; SHANDONG ACAD AGR SCI,SOIL & FERTILIZER INST,JINAN 250100,PEOPLES R CHINA; ROYAL VET & AGR UNIV,DEPT CHEM,DK-1871 FREDERIKSBERG C,DENMARK; ROYAL VET & AGR UNIV,DEPT AGR SCI,DK-1871 FREDERIKSBERG C,DENMARK;

关键词： Scandinavica soil illite K pools vermiculite vermiculite illite intergrade Mineral changes Danish alfisol potassium field Mineral changes Danish alfisol caused 30 years potassium depletion field