Domestic biogas plant
Biogas plant at home in the backyard? Many agricultural cooperatives has today in the premises of the biogas station. The idea of home bioplynky in this context is somewhat surprising. Yet, in countries in Asia and Africa small
Compost water heater
All lies! Why we neohřáli a little bit of water. Every experienced gardeners has in the garden compost, where it stores the plant surplus from the garden. In addition to the quality of humus, however we can from the compost pile to get
