Differences in the recovery of nitrogen from ammoniacal and nitrate sources in the reclaimed polders of the Zuyder Zee J. J. Lehr OriginalPaper Pages: 345 - 358
Studies in the resistance of certain varieties of banana to Panama disease John L. Harper OriginalPaper Pages: 374 - 382
Studies in the resistance of certain varieties of banana to panama disease John L. Harper OriginalPaper Pages: 383 - 394
Soil aggregate stability as affected by sterilization with ethylene oxide and heat C. H. M. Van Bavel OriginalPaper Pages: 395 - 404
Conductivity and buffer capacity of potato juice as correlated with potassium supply to the plant A. H. A. De Willigen OriginalPaper Pages: 405 - 417
The effect of manganese on the catalase activity of rice plant Shyamananda Pattanaik Letter To The Editors Pages: 418 - 419