So, for instance, when a user is signing up for agriculture related services, he has to provide his set of crops and his location and a woman in Andhra Pradesh in India has to provide her dietary habits so she can be advised on how to avoid iron deficiency.

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It recommends they use rice and wheat straw for mulch instead of burning it, rotate their crops, use a range of different seeds, manure their fields, and so on.

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Underneath us a sand road, which will one day be paved, was already flanked on both sides by endless fields of crops, burnt-out forest and farmers so sure that they would not get arrested they had built houses, silos, warehouses and roads.

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