Сорок два роки практичної роботи в агрономії. Винахід: препарат " Бактофунгистат", агротехнологія - Гуміреактор.
What is the cost of honey and other bee products? What is the profitability of honey business? When to plan to buy a new honey extractor? How much money do you need to accumulate to develop production? All these and many other questions will be answered by a calculator, the beekeeper only needs enter in the program all the data on costs and revenues.Read more