Table 3 Rice yield, biomass, nitrogen content assimilated from urea and the fate of urea-derived N at harvest (% of applied N).
From: Effect of straw and inhibitors on the fate of nitrogen applied to paddy soil
Treatment | Yield (g) | Biomass (g) | Panicle N uptake (g) | Rice N uptake (g) | Rice urea N uptake (%) | Soil urea-N retention (%) | Unaccounted-for (%) |
|---|---|---|---|---|---|---|---|
C | 13.5 ± 2.47c | 43.2 ± 4.57c | 5.6 ± 0.82d | 6.2 ± 0.87d | – | – | – |
U | 20.5 ± 0.43ab | 67.2 ± 2.18a | 147.4 ± 3.60ab | 231.6 ± 13.40b | 51.4 ± 0.05b | 11.5 ± 0.02a | 36.9 ± 0.04b |
US | 18.9 ± 1.45b | 56.0 ± 7.75b | 122.4 ± 9.54c | 173.3 ± 31.97c | 38.5 ± 0.11c | 12.5 ± 0.02a | 48.9 ± 0.11a |
UI | 23.1 ± 1.61a | 69.9 ± 4.13a | 157.6 ± 8.94a | 273.1 ± 27.23a | 60.7 ± 0.04a | 10.2 ± 0.01a | 29.0 ± 0.05c |
UIS | 22.0 ± 1.71ab | 67.1 ± 3.25a | 143.3 ± 5.10b | 228.6 ± 4.99b | 50.8 ± 0.06b | 14.2 ± 0.01a | 34.9 ± 0.05b |
