The truffle prefers alkaline soil, and high quality truffles are mainly found in calcareous terrain, such as Alba in Italy, Périgord in France, and Yunnan in China, all of which are located in calcareous terrain.
Most of the roots in the broad-leaved trees with silk growth, generally growing in the pine, oak, oak trees. Scattered in the bottom of the tree 120 to 150 centimeters in circumference, the bulk of the main body hidden in the ground 3 to 40 centimeters. Truffle about 10 different species, usually annual fungi,
Truffle on the growth of the environment is extremely demanding, and can not be artificially cultivated, the production of scarce, resulting in its rare and expensive. Therefore, the Europeans will truffle and caviar, foie gras and listed as "the world's three treasures". Truffles have a special odor and are rich in protein, amino acids and other nutrients.
Expanded Information:
Growth habit:
The truffle grows in the soil, is a kind of attachment in the pine tree under the root of the stem tuber fungus, contains a lot of water and potassium, calcium, magnesium, iron, fluorine, and so on. Magnesium, iron, fluorine and other trace mineral elements. It is not like the general mushrooms soft and juicy, but rather hard texture.
Truffle nutrients from the attached roots and soil, a place if the growth of truffles, land and plant nutrients will be truffle absorbed, in a period of time can not grow other things. The truffle also can't stand any subtle environmental changes as it grows, and it is very picky about its environment.
It is one of the few delicacies in the world that cannot be grown artificially in an orderly fashion, and must be nourished by a ****-breeding relationship with the roots of the tree. Truffle spores will not be able to grow as long as there is a slight change in the surrounding environment in which they live. However, semi-artificial growth has now been achieved in Western countries.