Soil, a fragile ecosystem, has been cultivated for at least 10000 years. About 99% of our food comes from land and roughly 80% of our food is provided by grains. Similarly, the need of water is very clear. But unfortunately the rapid growth of human population is posing many problems to our soil and water: the enormous waste generated are contaminating the soil, air and water; the increased emission of green house gases causes global warming which leads to ...
