After reading this article you will learn about the design of bio-gas plant with diagram. The bio-gas plant has been diagrammatically represented in the Fig. 11.1. The size varies with amount of cow dung available. If 50kgs of dung is available from three animals, the bio-gas plant consists of a masonry fermentation tank or a digester, 3.6 metres deep and [...]
After reading this article you will learn about:- 1. Important Green Manuring Crops 2. Important Green Leaf Manuring Plants 3. Technique of Green Manuring 4. Advantages and Disadvantages 5. Economics. Important Green Manuring Crops: Green manuring crops must grow rapidly on varieties of soil and must decompose quickly enough to release the nutrients they contain in the soluble form, for [...]
After reading this article you will learn about the principles and process of compost manufacture. Principles of Compose Manufacture: Waste plant materials contain nutrients in the form in which plant roots cannot absorb them. Waste plant materials are decomposed by micro-organisms when complex organic form of nutrients like proteins are converted to their respective simple inorganic form in which plant [...]