In order, the Visia faba L. nutrition to be optimized a field experiment on lye-meadow maroon soil has made Maritsa Vegetable Crops Research Institute, Plovdiv for two years. A biometric export of alimentary elements from the plants in a hectare and the consumption of N, P2O5 i K2O for the formation of 1 000 kg production are defined. By the made algorithms and with the assistance of the production function the mineral nutrition for high, quality and environmentally clean yield is optimized. [BG].
Biological export of alimentary elements by the yield of broad beans