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Paper Information

Journal:   IRANIAN JOURNAL OF BIOSYSTEMS ENGINEERING (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)   WINTER 2017 , Volume 47 , Number 4; Page(s) 651 To 658.
 
Paper: 

OPTIMIZATION OF CHISEL TINE OPERATION WHEN USED IN COMBINATION WITH A TILLAGE MACHINE

 
 
Author(s):  DEHGHANI MAJID, KARPARVARFARD SEYED HOSSEIN*
 
* BIOSYSTEMS ENGINEERING DEPARTMENT, SHIRAZ UNIVERSITY
 
Abstract: 

Performance optimization of a chisel tine was investigated by use of a chisel plow equipped with a rake adjustable in its rake angle. The affecting parameters consisted of soil moistures, namely: 0.5, 0.7 and 0.9 of plastic limit (PL), three rake angles of 30, 40 and 50 degrees and speeds of: 3, 5 and 7 km h-1. The assessed parameters included draft, soil disturbance area, soil upheaving area, clod Mean Weight Diameter (MWD), specific draft and soil Cone Index (CI). The statistical design applied was a factorial split block one. To optimize the chisel plow in terms of six evaluated factors, three regression equations based on multiple regression for three factors of: soil moisture, tine rake angle and travel speed were obtained the for six measured traits. Regression analysis showed that the most appropriate moisture for tillage is 0.71 (PL), the most acceptable rake angle is 34 degrees and the most convenient speed 5.5 km h-1.

 
Keyword(s): TILLAGE TOOL, RAKE ANGLE, SOIL MOISTURE CONTENT, DRAFT, SPECIFIC DRAFT
 
References: 
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