Evaluation of Technical and Yield Parameters of Wheat Seeding Methods with Different Seeding Rates in south Khuzestan
Journal Title: Journal of Agricultural Machinery - Year 2012, Vol 2, Issue 1
Abstract
This study was conducted during two years (2007-2009) in Shawoor Agricultural Research Station on a silty-clay soil. Experiment conducted in split plots in a Randomized Complete Blocks Design in three replications. Main plots were planting methods including centrifugal broadcaster (P1), centrifugal broadcaster + furrower (P2), seed drill (P3), seed drill + furrower (P4), three lines bed drilling (P5) and four lines bed drilling (P6). Subplots were included seed rates of 120, 160, 200 and 240 kg.ha-1. The results showed that P2 method with 14.91 litter.ha-1 and P3 method with 5.02 litter.ha-1 had the highest and lowest fuel consumption respectively. P3 method with 1.462 h.ha-1 and P5 method with 0.620 h.ha-1 required maximum and minimum total operation time respectively. P2 method with 0.684 ha.h-1 had minimum field capacity. Field capacity of P5 and P6 with averagely 1.67 ha.h-1 was maximum. Field capacity of all drilling methods (P3, P4, P5 and P6) was significantly more than that of broadcasting methods (P1 and P2). The highest seed spacing uniformity (87.2%) was belonged to P6 method and the lowest value (54.7%) was for P1 method. By using drilling methods of P3 and P5 (or P6) instead of P1 method total cost was reduced 41% and 29% respectively. The results of variance analysis of data showed that the difference between planting methods in case of wheat grain yield and yield components was not significant. However, the seed rate had significant effect on some yield components. Suggestion for cropping of wheat Chamran variety in silty-clay soil in Khuzestan province, used P5, P6 and P3 methods are recommended respectively with seed rate of 120 - 160 kg.ha-1.
Authors and Affiliations
J. Habibi Asl,E. Dehghan,
Keywords
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