CD Skripsi

Pengaruh Arang Sekam Padi Dan Pupuk Kalium Terhadap Pertumbuhan Dan Produksi Bawang Merah (Allium Ascalonicum L.)

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ABSTRACT
Shallot (Allium ascalonicum L.) is a medicinal and spice plant with high economic
value and notable health benefits. Efforts to increase its production can be pursued
by utilizing the vast acidic drylands available in Riau Province, despite the physical
and chemical limitations these lands present. The application of soil amendments
such as rice husk charcoal can enhance soil fertility by improving nutrient
availability and reducing soil acidity. Additionally, the use of potassium fertilizer in
the form of K₂SO₄ supports the growth and yield of shallots by enhancing enzymatic
activities such as stomatal regulation, plant photosynthesis, and bulb quality. This
study aimed to evaluate the effects of the interaction between rice husk charcoal
and potassium fertilizer, the individual effects of each factor, and to identify the
optimal combination of treatments to improve the growth and yield of shallot. The
research was conducted using a factorial Completely Randomized Design (CRD).
Factor I was rice husk charcoal, applied at four levels: 0, 10, 15, and 20 tons.ha⁻¹.
Factor II was potassium fertilizer, applied at three levels: 150, 200, and 250 kg.ha⁻¹.
Observed parameters included total leaf chlorophyll content, photosynthetic rate,
plant height, number of leaves, number of bulbs, bulb diameter, fresh bulb weight
per plant, and storable bulb weight per plant. Data were analyzed using analysis of
variance (ANOVA) and further tested with Duncan’s Multiple Range Test (DMRT)
at a 5% significance level. The results indicated that the interaction between rice
husk charcoal and potassium fertilizer had no significant effect on any of the
observed parameters. However, the combination treatment of 20 tons.ha⁻¹ rice husk
charcoal and 200 kg.ha⁻¹ potassium fertilizer yielded the best results, significantly
improving leaf chlorophyll content, photosynthetic rate, number of bulbs, bulb
diameter, fresh bulb weight per plant, and storable bulb weight per plant.
Keywords : Acidic dryland, Soil amendment, Enzymatic reaction, stomatal
regulation

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Ketersediaan

Informasi Detail

Judul Seri

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No. Panggil

2106111487

Penerbit

Pekanbaru : Universitas Riau – F.PERTANIAN – AGROTEKNOLOGI., 2025

Deskripsi Fisik

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Bahasa

Indonesia

ISBN/ISSN

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Klasifikasi

2106111487

Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

Agroteknologi

Info Detail Spesifik

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Pernyataan Tanggungjawab

daus

Versi lain/terkait

Lampiran Berkas

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