Effects of biochar, compost, and composted biochar soil amendments on okra plant growth

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dc.contributor.authorAzman, Nur Aina Najwa Mohd Nor
dc.contributor.authorKhalid, Puteri Inderakusumowati Md
dc.contributor.authorAmin, Nor Aishah Saidina
dc.contributor.authorZakaria, Zaki Yamani
dc.contributor.authorZainol, Muzakkir Mohammad
dc.contributor.authorIlham, Zul
dc.contributor.authorPhaiboonsilpa, Natthanon
dc.contributor.authorAsmadi, Mohd
dc.date.accessioned2026-08-06T10:34:16Z
dc.date.available2026-08-06T10:34:16Z
dc.date.issued2022-01-01
dc.description.abstractSoil fertility can be improved by incorporating organic matter such as biochar and compost. The combined addition of biochar and compost effectively restores soil degradation by enhancing nutrient availability, soil aggregation, and porosity. Nonetheless, many studies mainly concentrated on a single application of biochar and compost as a soil amendment. In this work, the biochar samples were prepared from oil palm empty fruit bunch (OPEFB) material at the desired microwave power (450 W) under 1 L/min of N2 flow for 10 min. Then, sandy soil was amended with 5 g of sole biochar and compost, as well as a biochar-compost mixture at a ratio of 1:1 for 8-weeks polybag experiment of okra plants. At 4 weeks of the plantation, the physical and chemical soil properties were analyzed. The okra plant's growths were also measured weekly for 8 weeks of the plantation. The application of biochar and composts alone, and in combination significantly improved soil physicochemical properties and plant growth compared to control soil. The synergetic positive effect of biochar and compost combination resulting lowered soil bulk density with higher soil porosity, moisture content, and nutrients availability. The study showed that a biochar-compost mixture is more effective to enhance soil quality over individual treatments and unamended soil.
dc.identifier.citationMaterials Today Proceedings, 110(C), 5-8, 2022
dc.identifier.doi10.1016/j.matpr.2023.08.017
dc.identifier.issn22147853
dc.identifier.other2-s2.0-85205264547
dc.identifier.urihttps://dspace.kmitl.ac.th/handle/123456789/12469
dc.sourceMaterials Today Proceedings
dc.subjectBiochar
dc.subjectCompost
dc.subjectPlant growth
dc.subjectSoil amendments
dc.subjectSoil physicochemical properties
dc.titleEffects of biochar, compost, and composted biochar soil amendments on okra plant growth
dc.typeConference Paper

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