@ Tajamul, application of nanofertilizers required very less quantity than conventional one, therefore, I feel 100% replacement is not possible but we can very well replace 50-70% conventional fertilizer with nanonutrients, which are economic, higher nutrient use efficiency, release of nutrient for more period with slow release, may trigger the plant and microbial enzyme system for more release and native nutrient mobilization, maintain soil health and environment friendly.
IMHO, no. The economics are totally against it. In the case of urea why have it in any solid form? It can be applied as liquid solution which is even more 'finely divided' than nano...
Nanotech in agriculture is developing but the million-dollar question is what's the cost?! Till then, use of the urea solution is recommended as Alan said, and finding and developing nano-nutrients is a viable option as Tarafdar told!
Thank you all for your valuable information regarding the nanotechnology
Yes, since nano urea is more effective in the stomata of plant leaves. When you spray it on plants, they quickly absorb it and grow appropriately, allowing farmers to produce greater crop around harvest time. However, depending on the availability of nanourea, I recommend utilising just iffco nano urea, since I have researched zea mays crop using nano urea.
I agree with Dr Tarafdar statement. This is completely dependent on type of crop, soil organic carbon status, Nutrient requirement of that crop, last season firtilizer application history and total Nutrient compensation. The application of Nano Urea is very less like 0.5 lit/acre or 1.25 lit/hec and by applying it in so small quantity for long period will significantly impact on soil nutrient status. If it can replace 50% of Nitrogen from conventional to Nano Nitrogen, it would be great achievement.
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