Submitted on: 25 August 2016.
Revised on: 19 September 2016.
Accepted on: 11 November 2016.
___________________Agrivita---BRAWIJAYA UNIV, FAC AGRICULTURE
Submitted on: 30 December 2006.
Revised on: 30 March 2007.
Accepted on: 26 April 2007.
___________________Agrivita---BRAWIJAYA UNIV, FAC AGRICULTURE
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Submitted on: 31 December 2001.
Revised on: 04 April 2002.
Accepted on: 02 June 2002.
___________________Agrivita---BRAWIJAYA UNIV, FAC AGRICULTURE
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