State-run ZNAC Rubber Estate Corp (ZREC) is fertilizing a 500-hectare rubber plantation in Zamboanga which may raise productivity by 40 to 60 percent and perhaps boost revenue that stood at 12.88 million in 2012. For the first time in 15 years, ZREC is restoring fertilization in its sole rubber plantation in Tampilisan, Zamboanga as government […

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