Well many Indian farmers use ...

Well many Indian farmers use more green manure or legume crops/green biomass/by inter cropping.They also use fibrous materials like coconut etc for horticultural plantation and pot cultures,which holds the enough moisture for the growing crops,in a couple of states they use biomass[aquatic weeds] collected from the rivers,which not only supply the moisture but also supplies nitrogen and related micro flora,but not many farmers are aware of modern technology or instruments and sensors to identify soil sensors,few research organizations may use this technology in agriculture research.