From: Comparison of safe weed control methods with chemical herbicide in potato field
Treatments | 2018 season | |||||
---|---|---|---|---|---|---|
At 70 days | At harvest | |||||
Broadleaved | Grassy | Total | Broadleaved | Grassy | Total | |
Rice straw mulch | 8.12 | 8.50 | 16.62 | 23.75 | 21.17 | 44.92 |
Wheat straw mulch | 5.98 | 4.13 | 10.11 | 19.32 | 18.21 | 36.57 |
Cheeseweed straw mulch | 5.61 | 4.00 | 9.61 | 17.12 | 17.25 | 35.33 |
Salix straw mulch | 7.13 | 4.45 | 11.58 | 22.11 | 19.23 | 41.34 |
Guava leaf straw mulch | 7.56 | 5.12 | 12.68 | 23.00 | 20.15 | 43.15 |
Banana leaf straw mulch | 4.71 | 3.75 | 8.46 | 15.65 | 16.17 | 31.82 |
Black plastic mulch | 3.11 | 3.61 | 6.72 | 9.25 | 10.11 | 19.36 |
Metribuzin | 3.18 | 6.15 | 9.93 | 12.11 | 25.17 | 37.28 |
Hoeing (twice) | 7.95 | 7.25 | 15.20 | 19.10 | 18.20 | 37.30 |
Unweeded check | 75.15 | 62.15 | 137.30 | 157.13 | 145.00 | 302.13 |
LSD 0.05 | 3.98 | 4.45 | 6.75 | 4.23 | 3.88 | 5.63 |