This article throws light upon the functions of various essential elements in the growth of plants. The essential elements are: 1. Carbon, Oxygen and Hydrogen 2. Nitrogen 3. Phosphorus 4. Potassium 5. Calcium 6. Magnesium 7. Sulphur 8. Iron 9. Manganese 10. Copper 11. Zinc 12. Molybdenum 13. Boron 14. Chlorine, Cobalt and Sodium. 1. Carbon, Oxygen and Hydrogen: Carbon, [...]
After reading this article you will learn about the preparation and use of Farm Yard Manure (FYM). Preparation of Farmyard Manure: (i) In India, a major portion of cattle dung is used as fuel by farmers, after being converted into dung cake. Urine is completely soaked into the earthen floor of the cattle shed, thus wasting a major portion of [...]
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 [...]