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1-Machine productivity: was calculated by using the following formula
by mady,1999.
P= W * 3600 / t
Where:
P = is productivity in t/h. W= mass of the sample in ton.
T = time in sec.
2-length of cutting: was assessed by taking a sample of 1 kg from cut
crop material into laboratory and separating into three categories (<3.5
cm, >3.5-10 cm and >10 cm). Each cutting length in the sample was
weighed and calculated as a percentage from the total weight of the
sample (Iraqi and Khawaga,2002).
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