Total-and NO3-nitrogen level in different parts of the potato haulm as an index of nutritional status Ragnar Bærug Articles Pages: 133 - 144
Self-compatibility in hybrids between Phureja and haploid Andigena clones ofSolanum tuberosum M. S. Cipar Articles Pages: 152 - 160
Influence des conditions de conservation sur l’evolution des substances auxiniques des tubercules de pomme de terre B. MontuelleJ. Cornette Articles Pages: 161 - 171
Maschinelles Ruppen von Kartoffelkraut, Untersuchungen an Rupfmaschinen Friedrich Röhrs Articles Pages: 172 - 183
Effect of cutting and gibberellin treatment on autumn-grown seed potatoes for spring planting Israel SlomnickiIrene Rylski Articles Pages: 184 - 192
The role ofVerticillium nubilum pethybr. In causing the coiled sprout disorder of potatoes D. PittJ. L. HardieD. C. Graham Letters to the Editor Pages: 193 - 193
Nato Advanced Study Institute on Mechanization of Field Experiments P. A. M. Kromwijk News Pages: 194 - 194