Nurul Muddarisna, Yekti Sri Rahayu, Mohammad Sui, Dita Agisimanto
Long-term intensive agriculture affects soil fertility by compacting the soil and reducing soil organic matter. The growth of shallots as an essential food component on degraded land requires technical intervention to address the issue of low fertility. Increased soil aeration is required to increase oxygen levels. Micro-nanobubble technology paired with subsurface drip irrigation is projected to promote soil oxygen, microbial activity, and nutrient uptake.The objective of the study was to evaluate vegetative growth and pigmentation of shallot cv. Tajuk, affected by fermented-goat manures and aerated micro-nanobubble drip irrigation. Shallot tubers were germinated under hydroculture in hydroton-enriched nanobubble nutrition. Uniform seedlings were selected and planted on the growth medium fertilized by organic fertilizer at the ratio of 1-5 over chemical fertilizer. Tillerings were regularly checked during vegetative growth and pigments were observed prior generative period. Remarkable growth of shallot tillers number (8-10.5) and pigments of total chlorophyll (7.6-8.2 μg/mL) and carotenoid (0.6-0.9 μg/mL) treated by organic-chemical over conventional fertilizer were observed. Aerated drip irrigation enhanced vegetative growth and pigmentation of shallot. The study confirmed positive effect of organic waste circulation enriched aerobic microbial, and aerated rhizosphere on plant growth improvement and indeed improved physiological characters of plants grown organically © 2025 The Authors.
Faculty of Agriculture, Wisnuwardhana University, East Java, Malang, 65139, Indonesia; Faculty of Agriculture, Widyagama Malang University, East Java, Malang, 65142, Indonesia; Research Center for Horticulture, BRIN, KST Soekarno, West Java, Bogor, 16911, Indonesia
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