Factors affecting the use of nitrate and ammonium nitrogen by apple trees
Tiedjens, V.A., Blake, M.A.
Factors affecting the use of nitrate and ammonium nitrogen by apple trees - New Brunswick 1932 - 1-32 p. - Nitrogen, Apple, Trees New Jersey Agricultural Experiment Station. Bulletin No. 547 .
Factors affecting the use of nitrate and ammonium nitrogen by apple trees - New Brunswick 1932 - 1-32 p. - Nitrogen, Apple, Trees New Jersey Agricultural Experiment Station. Bulletin No. 547 .