《Table 2 Influence of different wheat stubble management methods, weed control treatments and their

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《"Weed growth, herbicide efficacy, and rice productivity in dry seeded paddy field under different wheat stubble management methods"》

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1) Pendi.=pendimethalin；fb=followed by；fenox.=fenoxaprop p-ethyl；ethoxy.=ethoxysulfuron ethyl；bispyri.=bispyribac sodium.Data are mean±standard error of three replicates，and ns means non-significant.

Data regarding weed density recorded at45 DAS revealed that different wheat stubble management methods，herbicide treatments and their interaction significantly（P≤0.05）influenced total weed density in both years（Table 1，a1 and a2）.Under weed-check treatment，total weed density in wheat stubble retention treatment was significantly（P≤0.05）less（43 and 45%in2013 and 49 and 58%in 2014，respectively）as compared to stubble incorporation and stubble burning treatments，respectively.Both herbicide treatments，i.e.，HC1 or HC2 performed equally well and significantly（P≤0.05）reduced the weed density by>90%in 2013（Table 1，a1）and>88%in 2014（Table 1，a2）against weed-check under all wheat stubble management methods.Data regarding total weed dry weight（Table 1，b1 and b2）revealed that only main effect of herbicide treatments was significant（P≤0.05）.Both herbicide treatments performed equally well and significantly（P≤0.05）reduced weed dry weight over weed-check.HC1 reduced weed dry weight by 88%in 2013（Table 1，b1）and 86%in 2014（Table 1，b2）.Weed suppression magnitude amounted to 88%in 2013 and 2014 when HC2was applied（Table 1，b1 and b2）.