As you all know that Punjab Agricultural university found its adverse results and found underperformed to conventional urea
Ashok Kumar Meena
Nanourea is small amounts of urea coated with a film soluble in the soil. It has advantages and disadvantages. Advantages: slow solubility in the soil and fertilizer savings. Disadvantages: high cost, limited area treatment. If you treat two areas with nanourea and urea and it rains for 3 days, the rain will wash the urea out of the soil and it will not be in the soil, but the nanourea will remain. I think that you will not prove in this case that urea is better than nanourea.
Currently, geolocation from space is determined with an accuracy of 1 m. In the future, very accurate watches will be created and fertilizers will be applied automatically under each plant. In this sense, nanofertilizers are more convenient.
Nano urea shows promise as a more efficient nitrogen source with reduced environmental impact, but its ability to fully replace conventional urea for sustainable yields depends on crop type, soil conditions, and farming practices. A balanced approach combining nano urea and conventional methods is currently recommended for optimal results.
Nano urea demonstrates high nitrogen use efficiency and can potentially replace conventional urea while maintaining sustainable yields, allowing for a reduction of up to 50% in conventional urea application. This makes it a promising option for promoting more sustainable agricultural practices.
Sikka, Rajeev & Kalia, Anu & Ahuja, Radha & Sidhu, Simranpreet & Puttaswamy, Chaitra. (2024). Substitution of soil urea fertilization to foliar nano urea fertilization decreases growth and yield of rice and wheat. Plant and Soil. 1-17. 10.1007/s11104-024-07157-w.
I'd appreciate it if you could read the results of this research if you talk about the Nano Urea efficacy towards yield.
one more thing poor farmers don't have drones in that case spray of nano urea is time consuming and tedious task and it can't fully replace conventional urea, at initial stages (immature leaves) up to 30 days of germination of wheat or cereals we can't use ''Nano Urea". For the first spray of nano urea at least we need to wait up to 30-35 days (after germination).
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