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Abstract

Acacia auriculiformis (formis) offers various advantages that can be integrated with agricultural crops like ginger (Zingiber officinale var. amarum) through agroforestry systems. Pruning and fertilisation are potential strategies to optimise this approach. However, existing research remains limited. Further quantification and analysis are required to elucidate the effects of pruning on the growth of 7-year-old formis trees 11 months after treatment. In addition, more comprehensive studies are needed to examine the combined effects of pruning and organic fertiliser on the growth, productivity, and gingerol content of 9-month-old ginger plants. This research employed a Split-Plot Randomised Complete Block Design, examining the effects of pruning (50% crown width and no pruning) as the main plot, with organic fertiliser dosage (0, 250 g, and 500 g) as subplots. The results suggested that the height increase of pruned formis tree (0.41 m) was significantly lower than that of non-pruned plants (0.97 m). Fifty percent pruning of formis significantly improved the diameter, number of clumps, number of leaves, and rhizome biomass of 9-month-old ginger. Organic fertiliser dosage did not have a significant effect on the growth, productivity, and rhizome gingerol content of 9-month-old ginger plants. However, there was a trend indicating that the application of 250 g of organic fertiliser per ginger plant resulted in the highest rhizome biomass and gingerol content.

DOI

10.65844/2407-7860.1199

Pages

59-68

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