Performance Evaluation of New Rotary Blades and Roller Cutter of Versatile Multi-Crop Planter on Residue Management
Performance Evaluation of New Rotary Blades and Roller Cutter of Versatile Multi-Crop Planter on Residue Management
Abdullah Al Musabbir1, Md Abedur Rahman2*, Naveed Anjum2, 3 and Mustajab Ali4,5
ABSTRACT
The present study clarified the effectiveness of rotary blades and roller cutters on residue management in the planter. A new rotary blade (Blade B) along with roller cutter was designed and their effect on the residue management was investigated. However, to justify the effectiveness of newly designed rotary blade, the traditional blade (Blade A) was also considered in addition to Blade B. Experimental results showed that the straw accumulation in strip tillage in anchored residues by using Blade A in straw heights of 20, 30, and 40 cm was found to be 9.03%, 10.36%, and 12.14%, respectively. Whereas, these were 6.50%, 8.74%, and 8.88% for the corresponding straw heights, which were 28.01%, 16.63% and 26.85% lower, respectively while using Blade B. In both anchored and loose straw conditions, the effective field capacity was witnessed to be higher for Blade B. Furthermore, a significant reduction in the percentage of time loss in strip tillage was observed by using Blade B compared to that of the Blade A in all considered cases. Thus, Blade B was found to be better in strip tillage system in both anchored and loose residues in the field compared to Blade A. However, due to additional accumulated straws in the furrow opener and the excessive weight of the roller cutter in the tillage process, it is recommended to use rotary Blade B in the rotary shaft with anchored condition for the better management of residues and in order to obtain effective crop production.
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