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Revisiting Hydroponics: Hydroponics is by no means a new technique. The Hanging Gardens of Babylon was believed to be a hydroponic garden. But it hasn't become popular, particularly in India, where land was not a limiting factor. But now it is!

We suddenly witness a surge in the e-learning initiatives all around. Tremendous improvements in ICT technologies and a sizable skill base developed in the recent past offer tremendous scope to make such initiatives work. Such initiatives are particularly helpful in imparting agricultural knowledge and skills.

 

Certain species of Opuntia are spineless and could be used as fodder for cattle and sheep particularly during times of drought. The high water content of cactus pads offers an added advantage. Feeding cactus resolves the problem of watering animals in arid environment.