Front cover image for Estimation of available phosphorus in soils by extraction with sodium bicarbonate

Estimation of available phosphorus in soils by extraction with sodium bicarbonate

Print Book, English, 1954
U.S. Dept. of Agriculture, Washington, D.C., 1954
19 pages : charts ; 23 cm
17316676
Cover title
Issued also as Colorado Agricultural Experiment Station Scientific journal series no. 418