volume 34 issue 1 (march 2014) : 26-30,   Doi: 10.5958/j.0976-0547.34.1.005

EVALUATION OF NEEM BARK COATED UREA FOR SLOW RELEASE OF NITROGEN

C
Chelvi Ramessh
A
A.R. Ramesh
1
1 Kokila1
N
N.S. Venkataraman
1Agricultural College and Research Institute, Tamil Nadu Agricultural University, Madurai – 625 104, India.
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.
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.
  1. Junejo, N, Hanafi MM., Khanif YM., Yunus WMZ. (2009). Effect of Cu and palm stearin coatings on the thermal behavior and ammonia volatilization loss of urea. Res. J. Agric. Biol. Sci., 5(5): 608 - 612.
  2. 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.
  3. Suherman and Anggoro.(2011). Producing slow release urea by coating with Starch/Acrylic acid in Fluid Bed Spraying. IJET-IJENS 11(6): 77-80.
volume 34 issue 1 (march 2014) : 26-30,   Doi: 10.5958/j.0976-0547.34.1.005

EVALUATION OF NEEM BARK COATED UREA FOR SLOW RELEASE OF NITROGEN

C
Chelvi Ramessh
A
A.R. Ramesh
1
1 Kokila1
N
N.S. Venkataraman
1Agricultural College and Research Institute, Tamil Nadu Agricultural University, Madurai – 625 104, India.
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.
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.
  1. Junejo, N, Hanafi MM., Khanif YM., Yunus WMZ. (2009). Effect of Cu and palm stearin coatings on the thermal behavior and ammonia volatilization loss of urea. Res. J. Agric. Biol. Sci., 5(5): 608 - 612.
  2. 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.
  3. 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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