[Survey of field experiments, I: Potato growing]

azote chemical control danemark date de plantation denmark dinamarca escarda fertilisation fertilizer application gusto (sentido) lisier lutte chimique nitrogen nutrition des plantes papa pelletage pelleting phytophthora infestans plant nutrition plant protection plantas accidentales planting date pomme de terre potasio potassium potato y potyvirus potatoes potyvirus y de la patata potyvirus y pomme de terre protection des plantes slurry solanum tuberosum taste (sensation) variedades varieties volunteer plants weed control