"It's very good land. It's quite cheap. In fact it is very cheap. We have no land like this in India," says Karmjeet Sekhon, project manager for what is expected to be one of Africa's largest farms. "There you are lucky to get 1% of organic matter in the soil. Here it is more than 5%. We don't need fertiliser or herbicides. There is absolutely nothing that will not grow on it.