Effects of Crop Rotation on Potato Production in the Temperate Zones

Section Crop Rotation and Effects on Yield and Quality of Potato.- Effects of cropping frequency on potato production.- Commercial production results as a basis for crop rotation decisions.- Results of twenty-four years of crop rotation research at 'De Schreef 'experimental site.- Twelve years of continuous cropping and short rotations of potato at the 'PAGV1' experimental site.- Relative performance of potato cultivars in short rotations.- The upper limit for the frequency of potatoes growing in rotations in northern Poland.- Section Crop Rotation and Soil Properties.- Effects of the crop rotation system on soil physical behaviour and relations with potato yield.- Effect of legumes on soil mineral nitrogen and response of potatoes to nitrogen fertilizer.- Section Crop Rotation and Nematodes.- The role of cyst nematodes in crop rotations in potato.- Significance of crop rotation and cultivars resistant to potato cyst nematode on potato production.- The role of crop rotation systems on non-cyst nematodes affecting potatoes in the temperate zones.- Section Crop Rotation and Bacterial Diseases in Potato.- Bacteria and potatoes in crop rotation systems.- Cyanide-producing rhizosphere pseudomonads: a factor limiting potato root growth and tuber yield in high frequency potato-cropping soil?.- Increase of potato tuber yields in short rotations of potato by seed tuber treatments with fluorescent Pseudomonas spp..- Section Crop Rotation and Fungal Diseases.- Crop rotation and the occurrence of fungal diseases in potatoes.- Incidence of soilborne potato pathogens in six crops used in rotation with potatoes.- Effect of clover, ryegrass and winter wheat used in rotation with potatoes on the incidence of disease and soilborne pathogens in potatoes.- Incidence of soilborne pathogens in potato related to the frequency of potato growing on a clay loam.- Effects of leguminous crops on potato production and on incidence of Verticillium dahliae in various crop rotations with potatoes.- Dynamics of damage from Rhizoctonia solani in potato fields.- Colonization of potato by Rhizoctonia solani as affected by crop rotation.- Rhizosphere microflora in three potato cultivars as affected by season of production under Assiut conditions.- Section Agronomic and Physiological Aspects of Crop Rotation.- Some negative aspects of crop rotation.- Crop characteristics and yield reduction of potato due to biotic stress in short crop rotations.- Crop rotation - an important aspect in integrated potato production.- Conclusions and recommendations for further research from the International Conference of Effects of Crop Rotation on Potato Production in the Temperate Zones.