Dear Kuldeep Singh thank you very much for asking this important technical question. I'm sure that this question will be of significant interest to other RG members as well. First of all, please note that we are synthetic inorganic chemists, so I'm absolutely not a proven expert in organic faming. Of course everyone should be aware of the fact that the general importance of organic farming is growing worldwide. For some potentially useful information about the world class scientists in organic farming please have a look at the following link: