Table 1.
Effect of crop establishment system and sulphur nutrition levels on growth parameters of pearl millet (mean of two years of data).
| Treatments | No. of Tillers/m Row | Dry Matter Production (g/Tiller) | Leaf Area Index | SPAD Value | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 30 DAS |
60 DAS | At Maturity | 30 DAS | 60 DAS | At Maturity | 30 DAS | 60 DAS |
30 DAS |
60 DAS |
|
| Crop establishment systems | ||||||||||
| NTCRM | 9.72 | 19.33 | 23.67 | 11.15 | 56.65 | 101.43 | 1.17 | 4.66 | 43.51 | 51.84 |
| NoTill | 9.28 | 17.72 | 20.94 | 10.82 | 50.37 | 96.56 | 1.07 | 4.07 | 41.63 | 48.47 |
| ConvTill | 9.61 | 19.78 | 21.89 | 10.92 | 53.59 | 100.06 | 1.10 | 4.24 | 44.22 | 49.93 |
| SEm± | 0.28 | 0.73 | 0.31 | 0.07 | 0.71 | 0.92 | 0.02 | 0.08 | 0.02 | 0.56 |
| CD (p = 0.05) | NS | NS | 1.27 | NS | 2.84 | 3.70 | 0.06 | 0.32 | N/S | 2.28 |
| S management strategies | ||||||||||
| Control | 6.22 | 16.11 | 19.22 | 9.64 | 42.66 | 81.00 | 0.99 | 3.95 | 40.81 | 46.28 |
| RDS | 10.22 | 20.22 | 24.33 | 11.57 | 61.38 | 113.16 | 1.13 | 4.47 | 45.06 | 51.97 |
| ATS 5 mL/L_Once | 10.11 | 18.44 | 21.00 | 10.56 | 49.10 | 95.03 | 1.09 | 4.15 | 42.32 | 47.49 |
| ATS 10 mL/L_Once | 9.89 | 18.89 | 22.11 | 11.81 | 51.62 | 98.90 | 1.16 | 4.30 | 43.93 | 50.48 |
| ATS 5 mL/L_Twice | 10.22 | 19.67 | 22.67 | 10.49 | 55.93 | 101.02 | 1.13 | 4.44 | 42.27 | 51.48 |
| ATS 10 mL/L_Twice | 10.56 | 20.33 | 23.67 | 11.72 | 60.53 | 106.99 | 1.17 | 4.63 | 44.31 | 52.79 |
| SEm± | 0.38 | 0.64 | 0.68 | 0.28 | 1.19 | 2.18 | 0.03 | 0.13 | 0.85 | 0.87 |
| CD (p = 0.05) | 1.09 | 1.86 | 1.97 | 0.81 | 3.46 | 6.33 | 0.08 | 0.37 | 2.45 | 2.52 |
NTCRM, NoTill and ConvTill denote crop establishment systems (no tillage with crop residue mulching at 3 t/ha, no tillage and conventional tillage, respectively), and RDS, ATS 5 mL/L_once, ATS 10 mL/L_once, ATS 5 mL/L_twice and ATS 10 mL/L_twice indicate recommended dose of S at 30 kg/ha, one foliar application of ammonium thiosulphate (ATS) at 5 mL/L and 10 mL/L, respectively at the 4–6-leaf stage and two foliar sprays of ATS at 5 mL/L and 10 mL/L, respectively, at the 4–6-leaf stage and 30 days after the first application.