Using organic fertilizer has really offered big profits to Suwito Wardi, a farmer from Cikutu village, Serang regency, Banten. Now his paddy production has shot up from 4 tons per hectare to an average of 7.5 tons. “Once it even reached 9 tons,” said the 50-year-old. Suwito owns 60 hectares of paddy fields and has become a seedling cultivator as well as rice supplier to several local kiosks.

The fertilizer used by Suwito comprises soil-ferti