Ключевые слова: agra, agriculture, angular map, bio, biogas, biogas plans, biological, biomass, c02, cogeneration, corn, country, current subsidiary, district heating, energy, environment, fermentation, field, gas, generator, grain, heat, heat generation, heating, manure, methane, natural, organic methane, organic power, organic waste, plant, power, power generation, power plant, protection, raw materials, renewable, silage, supply,