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. 2019 Sep 5;3(12):1900013. doi: 10.1002/gch2.201900013

Table 1.

Effect of boron‐coated urea, sulfur‐coated urea, and Zn‐coated urea materials on yield parameters and yields in aromatic rice. Means in a column with at least one letter common are not statistically significant using Fisher's least significant difference

Treatment Amount of B/S/Zn added [kg ha−1] LAI at 65 DAT Panicle length [cm] Grain weight/panicle [g] 1000 − grain weight [g] Grain yield [t ha−1] Straw yield [t ha−1]
Absolute control 1.70E 24.2C 0.67D 18.5B 2.15E 6.53E
Prilled urea 2.21D 26.5B 0.75C 20.4AB 3.08D 9.12D
0.1% BCU 0.28 2.53C 27.3AB 0.78C 20.9A 3.19 (3.57) a) CD 9.42 (3.29)CD
0.2% BCU 0.56 2.65B 27.5AB 0.85B 21.0A 3.25 (5.52)BCD 9.68 (6.14)BCD
0.3% BCU 0.84 2.68AB 27.7AB 0.88AB 21.2A 3.34 (8.44)ABC 9.96 (9.21)ABC
0.4% BCU 1.12 2.72AB 27.9AB 0.90A 21.3A 3.43 (11.4)AB 10.25 (12.4)AB
0.5% BCU 1.40 2.75A 28.3A 0.91A 21.5A 3.48 (13.0)A 10.36 (13.6)A
Absolute control 1.70F 24.2B 0.67E 18.5B 2.15D 6.53F
Prilled urea 2.21E 26.5A 0.75D 20.4AB 3.08C 9.12E
1.0% SCU 2.83 2.50D 27.0A 0.84C 20.8A 3.21 (4.22)BC 9.61 (5.37)DE
2.0% SCU 5.65 2.56D 27.3A 0.86BC 21.1A 3.43 (11.4)B 10.15 (11.3)CD
3.0% SCU 8.48 2.65C 27.6A 0.89AB 21.5A 3.68 (19.5)A 10.62 (16.5)BC
4.0% SCU 11.30 2.75B 27.9A 0.90AB 21.7A 3.72 (20.8)A 11.16 (22.4)AB
5.0% SCU 14.13 2.98A 28.2A 0.92A 21.9A 3.85 (25.0)A 11.53 (26.4)A
Absolute control 1.78D 23.3D 1.46E 23.5B 3.35F 6.13E
Prilled urea 2.90BC 26.5C 1.70D 25.7A 4.76E 8.31D
0.5% ZnCU (ZnSHH) 1.41 3.20AB 27.3ABC 1.80C 26.1A 4.97 (4.41)DE 8.63 (3.85)CD
0.5% ZnCU (ZnO) 1.41 3.17AB 27.1BC 1.68D 26.0A 4.95 (3.99)DE 8.58 (3.25)CD
1.0% ZnCU (ZnSHH) 2.82 3.26A 27.8ABC 1.71D 26.5A 5.23 (9.87)BCD 8.93 (7.46)BC
1.0% ZnCU (ZnO) 2.82 3.23AB 27.6ABC 1.70D 26.3A 5.21 (9.45)CD 8.88 (6.86)BC
1.5% ZnCU (ZnSHH) 4.23 3.25A 28.3AB 1.83C 26.8A 5.41 (13.7)ABC 9.25 (11.3)AB
1.5% ZnCU (ZnO) 4.23 3.25A 28.2ABC 1.81C 26.6A 5.38 (13.1)ABC 9.20 (10.7)AB
2.0% ZnCU (ZnSHH) 5.64 3.38A 28.8AB 1.97B 27.1A 5.56 (16.8)A 9.47 (14.0)A
2.0% ZnCU (ZnO) 5.64 3.35A 28.6AB 1.93B 27.0A 5.52 (16.0)AB 9.40 (13.2)A
2.5% ZnCU (ZnSHH) 7.05 3.42A 29.0A 2.10A 27.2A 5.61 (17.9)A 9.59 (15.4)A
2.5% ZnCU (ZnO) 7.05 3.49A 28.7AB 2.05A 27.1A 5.58 (17.2)A 9.51 (14.4)A
a)

Figures in parenthesis indicate % increase in yield over prilled urea.