Originally, El Nino niÃ±o was the name used for warmer than normal sea surface temperatures in The Pacific ocean off the coast Of South. America, Now El nino niÃ±o has come to refer to a whole Complex Of pacific-ocean sea surface temperature changes and global. weather events
About Permaculture The Origin of Permaculture. Permaculture is a word originally coined by Bill Mollison and David Holmgren in the mid 1970âs to describe an âintegrated, evolving system of perennial or self-perpetuating plant and animal species useful to man.â
Sericulture is the cultivation of silk through rearing of silkworm. It involves the raising of food plants for silkworm, rearing of silkworm for production of cocoons, reeling and spinning of cocoon for production of yarn etc.