%T Agribio II : Crop husbandry %X This part of program (4 projects) studies the interactions between plant genotype and environment taking into account genetic resources. The aim is to define varieties adapted to the pedo-climatic conditions of the different regions. It concerns also research about identification and improvment of potatoes varieties adapted to the organic production. This part also studies organic fertilization. %K fertilization, fruits seedlings, seeds, genotype, selection %L orgprints6638