Abstract
Maize is a cereal commodity with high economic value. However, in South Sulawesi, maize productivity is very low compared with the average national productivity, which is mainly attributed to poor soil fertility. This study determined the effect of liquid organic fertilizer on the growth and yield of maize. Therefore, a field experiment was conducted at Maros Regency, South Sulawesi, Indonesia, in February-June 2022. Treatments involving nine rates of liquid organic fertilizer (LOF) were tested in the RCBD arrangement with three replications. The results showed that the use of liquid organic fertilizer had a significant effect on the growth parameters and yield of maize. The highest yield (6.322 kg ha-1) was obtained using 6000-ml ha-1 liquid organic fertilizer combined with 225-kg ha-1 urea.Economically, it can provide a higher profit, with an MBCR ratio of 1.78.
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