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Paper Information

Journal:   JOURNAL OF AGRICULTURAL SCIENCE (UNIVERSITY OF TABRIZ)   2007 , Volume 17 , Number 2; Page(s) 189 To 198.
 
Paper: 

DEVELOPMENT AND FIELD EVALUATION OF A FORAGE MAT MAKER

 
 
Author(s):  JABERI MOEZ M., RAOUFAT M.H.*
 
* FARM MACHINERY DEPT., COLLEGE OF AGRICULTURE, SHIRAZ UNIVERSITY, SHIRAZ, IRAN
 
Abstract: 

Losses in quality and quantity of forage occur during harvest and post-harvest operations. The losses mainly occur in the most useful part of the plant, which is leaf. In the present work, a mat-making unit was designed, fabricated and integrated with a maceration unit developed earlier. Field trials of complete unit were conducted to evaluate the effects of three levels of feed rate and three levels of peripheral speed of the large roller on the moisture removal, specific fuel consumption, and mechanical losses of forage. A 3 x 3 factorial experiment arranged in a completely randomized design with three replications was considered to evaluate the unit. The forage harvested with cutter-bar mover was considered as control. The analysis of data indicated that mat making technique results in a higher moisture removal as compared to control. Comparison of means of forage moisture measured after nine hours revealed no significant difference among retained moisture for various feeding rates whereas different roller speeds resulted in different moisture removal, the lowest speed showed to be the most effective. The analysis also indicated that specific fuel consumption was significantly affected by both factors. Mean comparison indicated that the treatment with feed rate of 4 t h-1 and roller speed of 85 rpm consumed least fuel. The analysis also indicated that there were no differences in mechanical loss between the new technique and control. The experiment also revealed that roller speed is the only factor affecting this index. The treatments with feed rate of 4 t h-1 at roller speed of 85 rpm and 3 t h-1 at roller speed of 127 rpm had the minimum and maximum mechanical loss, respectively.

 
Keyword(s): DRYING FORAGE, FORAGE MACERATION, FORAGE MAT MAKER
 
References: 
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