An essay on calcareous manures;
Ruffin, Edmund, 1794-1865.
An essay on calcareous manures; by Edmund Ruffin ... - 5th ed., amended and enl. - Richmond, Va., J.W. Randolph, 1852. - xv, 17-493 p. 21 cm.
agr07001592
Marl.
Fertilizers.
S643 / .R92 1852
57 / R83
An essay on calcareous manures; by Edmund Ruffin ... - 5th ed., amended and enl. - Richmond, Va., J.W. Randolph, 1852. - xv, 17-493 p. 21 cm.
agr07001592
Marl.
Fertilizers.
S643 / .R92 1852
57 / R83