At the moment demand is high potato harvest. But experiments shows that it is impossible to grow high and qualitative harvest without to organize protection of plant. Sinse many years method chemical protection created many discords and it is still creating. This protection method against harmful organism is not only useful but also create a lot of problems and difficulties at the result ecological balance is disturbed. Disturbing of ecological balance damaged biosphere. That is why natural objective law forced and cause natural calamity and abnormal developing. Accidentally using pesticides and agrochemical remedy is caused pollution of environment gather poison remainders the harvest, decreases of harvest and etc.