Table 6. Effect of fumigation programs on the first cucumber yield.
Site | Date | Price (¥ kg-1) | Treatmenta | Rate (g a.i. m-2) | Yield (kg m-2) |
---|---|---|---|---|---|
Tongzhou, 2012 | 05/10/12 | 2.2 | 1,3-D | 20 | 0.24ab |
MNa | 40 | 0.08ab | |||
1,3-D+MNa | 10+20 | 0.20ab | |||
MB | 50 | 0.19ab | |||
Untreated | / | 0.04b | |||
Shunyi, 2013–2014 | 09/12/13 | 2.0 | 1,3-D | 20 | 0.28a |
MNa | 40 | 0.27a | |||
1,3-D+MNa | 10+20 | 0.27a | |||
MB | 50 | 0.31a | |||
Untreated | / | 0.13b |
a Abbreviations: 1,3-D = 1,3-dichloropropene; MNa = metam sodium; MB = methyl bromide.
b In the column, data are means of three replications. Means followed by the same letter do not differ significantly (P = 0.05) according to the LSD test.