LIMBAH SAGU: POTENSI LOKAL UNTUK MEDIA PUPUK HAYATI
Abstract
Sago starch production leaves solid and liquid wastes that has not been used
optimally. Both organic substances still contains a lot of nutrients, and could be
processed into raw material for bio-fertilizers media. Solid waste, known as ela
sago, has been developed into compost while the liquid waste did not. The
objective of this study was to verify volume ratio of liquid inoculant of
Azotobacter chroococcum in solid inoculant produced from ela sago; and
determine the concentration of sago waste water as a growth medium of
biofertilizer A. chroococcum. This study confirms population of A.chroocccum
and T. harzianum in ela sago compost reached 106 cfu/g and 108 cfu/g
consecutively following enrichment with either 2% or 4% of A. chroococcum
liquid inoculant. Sago wastewater can used support A.chroococcum growth. This
study proved that waste from sago starch production could be used as a natural
medium for biofertilizer.
Keywords
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