TY - JA AU - Rehm,G.W. AU - Hergert,G.W. AU - Wiese,R.A. TI - Response of corn to zinc source and rate of zinc band applied with either orthophosphate or polyphosphate SN - 0038-075X U1 - 81-625994 PY - 1980/// KW - Fertilizers KW - AGROVOC KW - Maize KW - Phosphate fertilizers KW - Zea mays KW - Soil fertility N1 - ill. 27 ref T2 - Soil Science ER -