As someone who works increasingly with Japanese companies these days, this blogger has started to take a closer look at the clean technologies being developed in that country. This blogger was also deeply interested in (and experimented with) hydroponic cultivation as a student in the days when Moses wore shorts, like many Indians do. This article from The Asahi Shimbun features an intriguing new patented hydroponic cultivation system that is a halfway-house between traditional hydroponics and conventional agriculture. The stress is on the low costs of the system, something that has kept hydroponics in India confined to the state of West Bengal where James Douglas developed the Bengal System of Hydroponics in the 1950s. Debt-ridden to the extent where 60 farmers commit suicide every day, India's farmers cannot usually afford a substantial investment in tanks, lifting equipment etc that traditional hydroponic agriculture requires.
I shall try and get more information on the Okamoto system and post it here, but, in the meantime, visitors are welcome to check this article out. At the very least, I think this would address the annual conflict between my former home state of Tamilnadu in India and the neighboring state of Karnataka. To add icing to the cake, the Chinese have found the system very effective. India needs to look at it carefully too for that precise reason.
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