
Effect of type of tools, time and number of puddling on yield and yield components of rice | ||
پژوهش های کاربردی زراعی | ||
Article 11, Volume 28, Issue 4 - Serial Number 109, September 2015, Pages 93-99 PDF (1.05 M) | ||
DOI: 10.22092/aj.2016.106746 | ||
Authors | ||
A. Abbasian* 1; S. Bakhshipour2; M. H. Photokian3 | ||
1(Corresponding Author ), Young Researchers Club, Shahr-e-Qods Branch, Islamic Azad University | ||
2Rice Research Institute, Agricultural Research, Education and Extension Organization, Rasht, Iran | ||
3Associate Professor of Shahed University | ||
Abstract | ||
The aim of this research was investigation of non-chemical control of weeds and prevention of rice yield reduction with appropriate land preparation such as puddling. A filed experiment was conducted in 2011 and 2012 growing seasons in Tonekabon’s rice research station (Chaparsar) in Mazandaran province. The experiment layout was a factorial experiment based on randomize complete block design (RCBD) with three factors including type of equipment (rastcawel and rotivator), time of puddling (10 and 20 days before transplanting) and number of puddling (one and two times) with three replicates. Results of combined variance analysis showed that effect of year on tiller speed, time of puddling and grain yield were statistically significant. Tiller speed was affected by kind of tool and second pudlling time. Effect of pudlling frequency on number of filled seed was significant. Number of weeds at 2 M-2 and grain yield was not affected under applied three factors. The maximum of tiller headway speed (2.27 m.s-1) was obtained with one time of puddling by rotivator. minimum time of puddling treatment (4.47 min/plot) was achieved using two time of puddling at in 20 days before transplanting. Mean of rice grain yield was 3689.4 kg/ha. | ||
Keywords | ||
Rice (Oryza sativa L.); puddling; Rotivator; weed; yield | ||
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References | ||
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