Harahap, Riska Rahmadian (2026) PENGARUH APLIKASI SONIC BLOOM DAN PUPUK HAYATI MIKORIZA TERHADAP PERTUMBUHAN DAN HASIL TANAMAN PAKCOY (Brassica rapa L.). S1 thesis, Universitas Malikussaleh.

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Abstract

ABSTRACT Pakcoy is a vegetable crop belonging to the Brassicaceae family and is widely consumed due to its nutritional value. However, its productivity remains relativelay low because of suboptimal cultivation practices, low soil fertility, and inefficient fertilizer use. The application of sonic bloom technology and mycorrhizal biofertilizer is considered a potential strategy to improve plant growth and yield. The objective of this study was to determine the effects of sonic bloom application timing and mycorrhizal biofertilizer dosage on the growth and yield of pakcoy. The study employed a Randomized Complete Blok Design arranged in a split-plot. The main plot factor was the treatment of sonic bloom technology cicted of 3W0 (without sonic bloom), W1 (07:00–08:00 a.m.), W2 (12:00–01:00 p.m.), and W3 (04:00–05:00 p.m.). The subplot factor was the dosage of mycorrhizal biofertilizer, consisting of M0 (0 g/polybag), M1 (10 g/polybag), M2 (20 g/polybag), and M3 (30 g/polybag). The results shows that the application time of sonic bloom as a single treatment significantly affected nearly all observed variables. The best treatment was obtained with the W3 application time, namely between 4:00 p.m. and 5:00 p.m. (WIB). The application of mycorrhizal biofertilizer at different doses as a single treatment significantly affected nearly all observed variables. The best treatment was obtained with the M3 dose, namely 30 g per polybag. An interaction between sonic bloom application time and mycorrhizal biofertilizer dosage was observed only in the lower stomatal length at 21 days after planting. Keywords: dosage, leaf stomata, treatment

Item Type:	Thesis (S1)
Subjects:	S Agriculture > S Agriculture (General)
Divisions:	Fakultas Pertanian > 54211 - Jurusan Agroekoteknologi
Depositing User:	Riska Rahmadian Harahap
Date Deposited:	05 Aug 2026 03:33
Last Modified:	05 Aug 2026 03:33
URI:	https://rama.unimal.ac.id/id/eprint/20878

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