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Abstract
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Article Information:
The Evaluation and the Comparison of the Effect of Mechanical Weeding Systems on Rice Weed
Fazlollah Eskandari Cherati, Soheila Kamyab and Mohammad Shekofteh
Corresponding Author: Fazlollah Eskandari Cherati
Submitted: February 18, 2012
Accepted: March 16, 2012
Published: August 15, 2012 |
Abstract:
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In order to study the influence of different methods of controlling weeds such as mechanical weeding
and mechanical weeder efficiency analysis in mechanical cultivation conditions, in farming year of 2011 an
experiment was done in a farm in coupling and development of technology center in Haraz, Iran. The treatments
consisted of (I) control treatment: where no weeding was done, (II) use of mechanical weeding without engine
and (III) power mechanical weeding. Results showed that experimental treatments had significantly different
effects (p = 0.05) on yield traits and number of filled grains per panicle, while treatments had the significant
effects on grain weight and dry weight of weeds in the first, second and third weeding methods at 1% of
confidence level. Treatment (II) had its most significant effect on number of filled grains per panicle and yield
performance standpoint, which was 3705.97 kg/ha in its highest peak. Treatment (III) was ranked as second
influential with 3559.8 kg/ha. In addition, under (I) treatments, 2364.73 kg/ha of yield produced. The minimum
dry weights of weeds in all weeding methods were related to the treatment (II), (III) and (I), respectively. The
correlation coefficient analysis showed that total yield had a significant positive correlation with the panicle
grain yield per plant (r = 0.55*) and the number of grains/panicle (r = 0.57*) and the number of filled grains
(r = 0.63*). Total rice yield also had negative correlation of r = -0.64* with weed dry weight at second weed
sampling time (17 DAT). The weed dry weight at third and fourth sampling times (24 and 40 DAT) had
negative correlations of -0.65** and r = -0.61* with rice yield, respectively.
Key words: Dry weight, power mechanical weeder, without engine mechanical weeder, yield rice, , ,
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Cite this Reference:
Fazlollah Eskandari Cherati, Soheila Kamyab and Mohammad Shekofteh, . The Evaluation and the Comparison of the Effect of Mechanical Weeding Systems on Rice Weed. Research Journal of Applied Sciences, Engineering and Technology, (16): 2653-2659.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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