Twenty years of fertilizers in an apple orchard
Hedrick, U.P., Anthony, R.D.
Twenty years of fertilizers in an apple orchard - Geneva 1919 - 71-96 p. - Fertilizers, Apple New York Agricultural Experiment Station. Bulletin No. 460 .
Twenty years of fertilizers in an apple orchard - Geneva 1919 - 71-96 p. - Fertilizers, Apple New York Agricultural Experiment Station. Bulletin No. 460 .