The story of the burned is quite mysterious … This disappearance of vegetation under the trees is due to the activity of the fungus that creates on the soil a major water deficit and would simultaneously herbicidal action. Researchers have not been able to isolate herbicides molecules to be used as a weed killer burned …. This burned is almost always an annunciator of truffles; do not doubt, since the plant was mycorrhizal and nothing came thwart its original mycorrhizae; in general, it is 2 to 3 years before the entry into production and it comforts the planter (and the nursery!). So, a little patience, the harvest is near … But there may be burned without truffles, because it’s not just the truffle that gives rise to a burned; other fungi may do so; talking about sterile burned! Unless burned truffles do not bear fruit for reasons of technical or climatic! Moreover, the presence and importance of the burned also depends of the land and tree species. For example, will be have burned generally more pronounced in poor and little deep, and visible more quickly on hazel and oak …. It is finally possible, but extremely rare, that the entry into production is not preceded by appearance of burnt … and no explanation.
There are other ways that the dog to harvest truffles. We present it in section “Harvest“ of our website. But the dog is the most convenient, safest and most effective for harvest. It is not very difficult to educate a dog for that.
In terms of performance, we prefer to be cautious and avoid smoke and mirrors. There is nothing certain in the field of underground fungi, unlike the fruit production for example … The field, weather and work of the year are there to determine a lot of things! There will always be years with and years without … But it is true that the truffle, it can pay big! A supplement to retirement … To give you figures on poor soil, can be expected 5 to 10 kg per hectare, and on fertile soils, between 20 and 30 kilos or more.
It is very variable (what truffle is concerned) … If all the assets have been combined (land, previous crop, mycorrhizal plant, crop maintenance, micro sprinkling …), Your production should start from the 7th or 8th year and sometimes earlier with hazel and holm oak (5 or 6 years).