The effect of tillage and planting methods in raised bed planting system on irrigated wheat.
2007
Solh Ju, A`li Akbar | Javadi, Arzhang
The effective parameters on wheat yield, were optimum use from tillage and planting methods. Therefore, the effect of planting and tillage methods on raised bed planting systems should be evaluated for irrigated wheat. This study was performed with the split-block of design with five replications. Three levels of tillage operating, i. e. (1) mouldboard ploughing plus disking, conventional tillage (P), (2) cultivating on top of the beds and reshaping (C1), (3) cultivating in furrows and top of the beds and reshaping (C2), were considered main plots. The number of rows on a bed, i. e. (1) two rows (R2), and (2) three rows (R3), were considered sub plots. Parameters of soil cone index, percentage of plant emerged, emergence rate index, number of fertile tillers per plant, weight of thousand kernels and wheat yield were measured. Results indicated that there was no significant different between treatments for all measured parameters except for percentage of plants emerged and emergence rate index. Wheat yield in tillage treatments was about 5.4 t/ha and yield for three planting rows on each bed was 2.5% more than that of two planting rows on each bed. Using cultivator for tillage operation reduced the number of operations and the tillage operating cost for 88.7% compared to using mouldboard ploughing, therefore using cultivator and planting three rows on each bed (C1R3) is recommended in irrigated wheat planting.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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