Proceedings of a symposium sponsored by the Soil science society of America and held at the Palmer House in Chicago, Illinois, February 14 and 15, 1968
Nelson, L. Changing patterns in fertilizer use. Madison: Soil science society of America, 1968 XIV, 466 p. : ill.
Nelson, L. Changing patterns in fertilizer use. Madison: Soil science society of America, 1968 XIV, 466 p. : ill.
Nelson, L. (1968) Changing patterns in fertilizer use, Madison: Soil science society of America XIV, 466 p. : ill.
Nelson, L. (1968). Changing patterns in fertilizer use. Proceedings of a symposium sponsored by the Soil science society of America and held at the Palmer House in Chicago, Illinois, February 14 and 15, 1968. Madison: Soil science society of America, XIV, 466 p. : ill.
Nelson L. Changing patterns in fertilizer use: Proceedings of a symposium sponsored by the Soil science society of America and held at the Palmer House in Chicago, Illinois, February 14 and 15, 1968. Madison: Soil science society of America; 1968. p. XIV, 466 p. : ill.
