Certain organic constituents of soils in relation to soil fertility.
Schreiner, Oswald, 1875-
Certain organic constituents of soils in relation to soil fertility. By Oswald Schreiner and Howard S. Reed, assisted by J.J. Skinner. - Washington, Govt. print. off., 1907. - 52 p. VI pl. 23 cm.
agr07002233
Soils--Analysis.
S591 / .A12 no. 47
Certain organic constituents of soils in relation to soil fertility. By Oswald Schreiner and Howard S. Reed, assisted by J.J. Skinner. - Washington, Govt. print. off., 1907. - 52 p. VI pl. 23 cm.
agr07002233
Soils--Analysis.
S591 / .A12 no. 47