Table 1.
Seed rate, tillage type and frequency, fertilizer N splits, total irrigation depth, and weed control measures for the component crops under different tillage cum crop establishment treatments
| Treatment | Seed rate (kg ha−1) | Tillage (n) |
N split (n) |
Irrigation depth (cm)$ | Hand weeding (n) | Pre-emergence/sowing herbicide | Post-emergence herbicide | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| PT | H | P | WT | ||||||||
| CTTPR-CT | Rice | 15 | 2 | 2 | 1 | 1 | 3 | 390 | – | Pretilachlor | – |
| Wheat | 120 | 2 | 2 | 1 | – | 3 | 90 | – | – | Sulfosulfuron + metsulfuron | |
| Maize | 20 | 2 | 2 | 1 | – | 3 | 75 | – | – | Atrazine | |
| NPTPR-ZT | Rice | 15 | 2 | 2 | 1 | – | 3 | 260 | – | Pretilachlor | – |
| Wheat | 100 | – | – | – | – | 3 | 90 | – | Glyphosate | Sulfosulfuron + metsulfuron# | |
| Maize | 20 | – | – | – | – | 3 | 75 | – | Glyphosate | Atrazine | |
| ZTTPR-ZT | Rice | 15 | – | – | – | – | 3 | 260 | – | Pendimethalin | Bispyribac Na |
| Wheat | 100 | – | – | – | – | 3 | 90 | – | Glyphosate | Sulfosulfuron + metsulfuron | |
| Maize | 20 | – | – | – | – | 3 | 75 | – | Glyphosate | Atrazine | |
| ZTDSR-ZT | Rice | 25 | – | – | – | – | 4 | 280 | 1–2* | Pendimethalin | Bispyribac Na |
| Wheat | 100 | – | – | – | – | 3 | 90 | – | Glyphosate | Sulfosulfuron + metsulfuron | |
| Maize | 20 | – | – | – | – | 3 | 75 | – | Glyphosate | Atrazine | |
PT preparatory tillage, H harrowing, P plowing, WT wet-tillage (puddling)
$Average value of 2 years (2013–2014 and 2014–2015)
*Hand weeding was done in ZTDSR-ZT due to higher weed growth
#Ready-mix herbicide 75% sulfosulfuron + 5% WG metsulfuron