1. Manganese toxicity in field and market garden grops

   • Marie P. Löhnis

   OriginalPaper Pages: 193 - 222

2. pH tolerance and polyploidy in angiosperms

   • Gordon Haskell

   OriginalPaper Pages: 223 - 238

3. Metabolism of plants affected with lime-induced chlorosis (calciose)

   • W. S. Iljin

   OriginalPaper Pages: 239 - 256

4. The effects of deficiencies of several trace elements on timothy (Phleum pratense L.) grown in solution culture

   • R. Dorrington Williams

   OriginalPaper Pages: 257 - 266

5. Répartition et variations du système ascorbique chez les végétaux

   • P. Lecat

   OriginalPaper Pages: 267 - 308