Nutrient use efficiency in crop production is in the spotlight as levels of reactive nitrogen and phosphorus exceed planetary boundaries. In many situations, crops do not acquire mineral fertilisers o
118 rooted cuttings of 1103-Paulsen rootstocks were planted in Salento (Apulia, Southern Italy), and half of them were mycorrhized. Plants received water only at planting and once in July 2020. Metaba
