TY - JA AU - Hornby,D. AU - Brown,M.E. TI - Nitrate and ammonium in the rhizosphere of wheat crops and concurrent observations of take-all SN - 1573-5036 U1 - 77-211682 PY - 1977/// KW - Soil biology KW - Wheat triticum spp N1 - 25 ref.; Summary (En); Peer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0032-079X T2 - Plant and Soil ER -