Nitrogen leaching and uptake from calcium cyanamide in comparison to urea and calcium ammonium nitrate in an utisol from the humid tropics
Leaching loss of N applied as calcium cyanamide (CaCN2 — 19% N), urea and calcium ammonium nitrate (CAN — 26% N) to a coarse textured, kaolinitic ultisol profile was studied in the laboratory using undisturbed soil columns. The soil columns were leached with an amount of water equivalent to the annu...
| Autores principales: | , , |
|---|---|
| Formato: | Journal Article |
| Lenguaje: | Inglés |
| Publicado: |
1987
|
| Materias: | |
| Acceso en línea: | https://hdl.handle.net/10568/175872 |
| _version_ | 1855516302828896256 |
|---|---|
| author | Pleysier, J.L. Arora , Y. Juo, A.S.R. |
| author_browse | Arora , Y. Juo, A.S.R. Pleysier, J.L. |
| author_facet | Pleysier, J.L. Arora , Y. Juo, A.S.R. |
| author_sort | Pleysier, J.L. |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | Leaching loss of N applied as calcium cyanamide (CaCN2 — 19% N), urea and calcium ammonium nitrate (CAN — 26% N) to a coarse textured, kaolinitic ultisol profile was studied in the laboratory using undisturbed soil columns. The soil columns were leached with an amount of water equivalent to the annual rainfall of the sampling site (2420mm) using a rainfall simulator over a period of 42 days. The ‘leachability’ of the three N fertilizers differed greatly and followed the order of CAN > urea > CaCN2. Most of the N lost through leaching was in NO3 form. Calcium cyanamide lost only 3% of applied N. Breakdown of CaCN2 to NH4 was incomplete (64%) and nitrification in the soil was inhibited resulting in negligible leaching loss. Nitrogen retained in the soil columns after the leaching cycle was mainly in ammoniacal form irrespective of source of N used.
Effectiveness of CaCN2 as a N source was also studied in a greenhouse experiment with maize (Zea mays) and upland rice (Oryza sativa) as testing crops. Calcium cyanamide applied one week before sowing of crops was as effective as CAN and urea under conditions of no N leaching. When applied at the time of planting and two or more weeks before planting gave lower dry matter yields and N uptake than CAN and urea. |
| format | Journal Article |
| id | CGSpace175872 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 1987 |
| publishDateRange | 1987 |
| publishDateSort | 1987 |
| record_format | dspace |
| spelling | CGSpace1758722025-11-11T10:04:48Z Nitrogen leaching and uptake from calcium cyanamide in comparison to urea and calcium ammonium nitrate in an utisol from the humid tropics Pleysier, J.L. Arora , Y. Juo, A.S.R. calcium ammonium nitrate calcium cyanamid maize humid tropics ultisol rice urea Leaching loss of N applied as calcium cyanamide (CaCN2 — 19% N), urea and calcium ammonium nitrate (CAN — 26% N) to a coarse textured, kaolinitic ultisol profile was studied in the laboratory using undisturbed soil columns. The soil columns were leached with an amount of water equivalent to the annual rainfall of the sampling site (2420mm) using a rainfall simulator over a period of 42 days. The ‘leachability’ of the three N fertilizers differed greatly and followed the order of CAN > urea > CaCN2. Most of the N lost through leaching was in NO3 form. Calcium cyanamide lost only 3% of applied N. Breakdown of CaCN2 to NH4 was incomplete (64%) and nitrification in the soil was inhibited resulting in negligible leaching loss. Nitrogen retained in the soil columns after the leaching cycle was mainly in ammoniacal form irrespective of source of N used. Effectiveness of CaCN2 as a N source was also studied in a greenhouse experiment with maize (Zea mays) and upland rice (Oryza sativa) as testing crops. Calcium cyanamide applied one week before sowing of crops was as effective as CAN and urea under conditions of no N leaching. When applied at the time of planting and two or more weeks before planting gave lower dry matter yields and N uptake than CAN and urea. 1987 2025-07-29T13:22:46Z 2025-07-29T13:22:46Z Journal Article https://hdl.handle.net/10568/175872 en Limited Access application/pdf Pleysier, J.L., Arora, Y. & Juo, A.S.R. (1987). Nitrogen leaching and uptake from calcium cyanamide in comparison to urea and calcium ammonium nitrate in an ultisol from the humid tropics. Fertilizer research, 12, 193-199. |
| spellingShingle | calcium ammonium nitrate calcium cyanamid maize humid tropics ultisol rice urea Pleysier, J.L. Arora , Y. Juo, A.S.R. Nitrogen leaching and uptake from calcium cyanamide in comparison to urea and calcium ammonium nitrate in an utisol from the humid tropics |
| title | Nitrogen leaching and uptake from calcium cyanamide in comparison to urea and calcium ammonium nitrate in an utisol from the humid tropics |
| title_full | Nitrogen leaching and uptake from calcium cyanamide in comparison to urea and calcium ammonium nitrate in an utisol from the humid tropics |
| title_fullStr | Nitrogen leaching and uptake from calcium cyanamide in comparison to urea and calcium ammonium nitrate in an utisol from the humid tropics |
| title_full_unstemmed | Nitrogen leaching and uptake from calcium cyanamide in comparison to urea and calcium ammonium nitrate in an utisol from the humid tropics |
| title_short | Nitrogen leaching and uptake from calcium cyanamide in comparison to urea and calcium ammonium nitrate in an utisol from the humid tropics |
| title_sort | nitrogen leaching and uptake from calcium cyanamide in comparison to urea and calcium ammonium nitrate in an utisol from the humid tropics |
| topic | calcium ammonium nitrate calcium cyanamid maize humid tropics ultisol rice urea |
| url | https://hdl.handle.net/10568/175872 |
| work_keys_str_mv | AT pleysierjl nitrogenleachinganduptakefromcalciumcyanamideincomparisontoureaandcalciumammoniumnitrateinanutisolfromthehumidtropics AT aroray nitrogenleachinganduptakefromcalciumcyanamideincomparisontoureaandcalciumammoniumnitrateinanutisolfromthehumidtropics AT juoasr nitrogenleachinganduptakefromcalciumcyanamideincomparisontoureaandcalciumammoniumnitrateinanutisolfromthehumidtropics |