Wednesday, December 22, 2010
Vertical Farming
Read an article on Vertical Farming on 'The Economist'. As people are migrating to the cities in huge numbers farm lands are getting converted to rela estates and farmers are not enjoying the benefits of the so called white collar jobs, farm output is diminishing. To bridge this gap, farming should happen where people dwell on the most..the answer is cities. In multilevel or vertical farming, green house gases are used in a controlled environment. Water with minerals is used to irrigate the floor. The challenge is sunlight availability to the plants in all storeys. Hence a scientist proposed, a rotating storeys. So that sunlight is available evenly. Though vertical farming sound practical, it is efficiency needs some more evidences!!
PPF
This year can be termed as an investment year. Came to the avenues available for tax exemption. PPF or Public Provident Fund is an excellent investment option for those who look for tax emption as well as long term wealth creation. A PPF a/c can be opened in any of State Bank groups or in post office. 8.5% cumulative interest is given. Minimum amount that can be invested is 500 rupees. Max is 70,000 rupees. Experts say for long term wealth creation, we should exhaust this investment option. A 70,000 investment in PPF for 15 yrs will yield you 20,00,000 in 16th year. Also this is not taxable.
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