Photographs in this season from your truffière would help (send them please). This information is collated from the French and Spanish texts and Australian grower feedback
Tasks
Root assessments continue.
Tillage on young plantations and producing truffières.
Soil preparation for truffle renovation in old plantations, working soil with rototillers and ploughing discs.
Adjust your pH – see our liming suggestions.
Chemical or organic fertilization based on soil analysis. Protection of buds against rabbits and wombats by repellents (?).
Protection of truffle plants against attacks by defoliating caterpillars.
On hazel, manual (pruning) or chemical suppression (by defoliant) of suckers.