Abstract:
This study was conducted in (Ain-kawa) station research in Agricultural Ministry in Kurdistan region Iraq, 2008-2009. To investigate the effect of tillage system (tillage and no-tillage) with the forward speed of seed drill for wheat. The results have showed quantitative superiority of no tillage compared with traditional tillage in total grain yield, number of tillers, fertile tillers (313.33 kg/don , 21.3, 18.8). The treatment of tillage system recorded a significant effect in length of plant , length of flag leaf , spike and plant density (70.47cm , 18.6cm , 9.67cm , 67.7 plant/m²) respectively. While the actual field productivity of seed drill and slip percentage the best value was within tillage treatment.
The forward speed for the seeder processing have a significant effects on the following indicators: number of tillers (21.17) with fifth forward speed, plant high (81.67cm) with forth forward speed, length of tiller (8.7cm) with third forward speed, fertile tillers (18.17) with fifth speed, actual field productivity for the seeder processing (9.52 don/hour) with the fifth forward speed, slip percent (7.5%) with first speed and total grain yield (292.5kg/don) with forth forward speed.
The interaction of tillage system with the forward speed of seed drill operation (seeder processing) had significant effect on number of tillers (24.3) for the no-tillage system interact with fifth speed, plant length (91cm) for no-till interact with forth speed, flag leaf length (20.7cm) under the tillage system interact with the first forward speed, active tillers (20.3) the no-till interact with first speed , actual field productivity for the equipment the best value was achieved under the fifth forward speed with two systems, slippage percent (5.05%) under no-till with the first speed, the best value of the plant density was achieved under tillage system with all the forward speed, and the grain yield (363.3kg/don) that happened in no-till system with the forth forward speed.