TY - JA AU - Rahmatullah AU - Baker,D.E. TI - Magnesium accumulation by corn (Zea mays L) as a function of potassium-magnesium exchange in soils PY - 1981/// KW - Magnesium KW - Soil testing KW - Zea mays KW - AGROVOC N1 - Peer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0361-5995; Tables, graphs, literature cited p. 903 T2 - Soil Science Society of America Journal ER -