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EVALUATION OF NEEM BARK COATED UREA FOR SLOW RELEASE OF NITROGEN

Chelvi Ramessh, A.R. Ramesh, 1 Kokila1, N.S. Venkataraman

Affiliations

¹Agricultural College and Research Institute, Tamil Nadu Agricultural University, Madurai – 625 104, India.

Submitted|
First Online |
doi 10.5958/j.0976-0547.34.1.005

Cite article:- Ramessh Chelvi, Ramesh A.R., Kokila1 1, Venkataraman N.S. (2025). EVALUATION OF NEEM BARK COATED UREA FOR SLOW RELEASE OF NITROGEN. Agricultural Science Digest. 34(1): 26-30. doi: 10.5958/j.0976-0547.34.1.005.

ABSTRACT

The neem bark powder coated urea fertilizer samples were prepared by adapting the spray technique and characterized by using FT-IR and SEM studies. Incubation study was carried out to study the Nitrogen-release pattern with the help of Micro kjeldahl method. SEM studies revealed the presence of Neem bark powder coating on urea. The increase in percentage of coating showed a slow nitrogen-release pattern holding the promise for further studies in this line.

KEYWORDS

REFERENCES

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Shaviv, A and Mikkelsen R.L.(1993). Controlled – release fertilizers to increase efficiency of nutrient use and minimize environmental degradation a review. Fertilizer Research 35:1 -12.
Suherman and Anggoro.(2011). Producing slow release urea by coating with Starch/Acrylic acid in Fluid Bed Spraying. IJET-IJENS 11(6): 77-80.

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