If you haven’t started locating truffles at present, and haven’t had your trees roots tested, I always suggest sending some away for testing to see how everything is going underground.
To ind out more about what you need to do to have your roots tested contact either:
Scientist – Mycorrhizal Fungi
Microbial Systems for Plant Protection
Technical Representative New Zealand Truffle Association http://www.nztruffles.org.nz/
T: +64 3 325 9395
Mob: 027 434 0387
Mob: 027 362 8873