Use of ammonia and nitrate nitrogen by certain crop plants
Tiedjens, V.A., Robbins, W.R.
Use of ammonia and nitrate nitrogen by certain crop plants - New Brunswick 1931 - 1-46 p. - Pants, Crop, Nitrogen New Jersry Agricultural Experiment Station. Bulletin No. 526 .
Use of ammonia and nitrate nitrogen by certain crop plants - New Brunswick 1931 - 1-46 p. - Pants, Crop, Nitrogen New Jersry Agricultural Experiment Station. Bulletin No. 526 .