A company "АoneD" presented the products - powder made from the shell of clamshell. In Japan the crested powder already is widely used in agriculture as an organic fertilizer in the process of preparation of soil to sowing(powder interfuses with soil). It also is effective means against crooths, mise and other rodents. In future water solution of powder is used as an organic fertilizer and means from insects(dispersion), that allows to decrease, and in course of time and quite to give up the use of chemical fertilizers, that it is very important at growing of medicinal herbares. Besides, at the use of powder there is a jumboizing of the grown cultures, improvement of taste internalss. Powder possesses property to adsorb not only nitrates of and other chemicals but also caesium, that Japaneses already use for clearing of soil in the district of Fukushima. If to use powder on the rice fields near the sea of Azov, it can positively influence on хим.