Sometimes a practitioner can give a helpful advice than a scientist. For years working on the field, you know exactly what is necessary to get a good harvest. Mikhail Koshalko is not just a farmer, but also a specialist who does not get tired of conducting scientific and production experiments. But all experiments cannot be profitable... There are wastes, unjustified expectations. Sometimes you even want to give up on everything. But this is not about our hero. All of these difficulties made him stronger. And today his advice is invaluable.