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INDONESIA
BUANA SAINS
Published by Universitas Tribhuwana Tunggadewi
ISSN : 14121638     EISSN : 25275720     DOI : -
Core Subject : Science, Education,
Biochemistry, Genetics & Molecular Biology Chemistry Mathematics Physics
BUANA SAINS p-ISSN : 1412-1638 | e-ISSN: 2527-5720 is a double-blind peer-reviewed, open-access journal, published by UNITRI PRESS. It publishes original and applied research in all areas of natural science. The Editorial goal is to provide a forum exchange and an interface between researchers and practitioners in any natural science related field.
Arjuna Subject : -
Articles 16 Documents
 1   2 
Search results for , issue "Vol 22, No 3 (2022)" : 16 Documents clear
PENGARUH KOLKISIN TERHADAP OPTIMALISASI MINYAK ATSIRI TANAMAN JAHE (Zingiber officinale Rosc.) Reza Prakoso Dwi Julianto; Astri Sumiati; I Made Indra Agastya
BUANA SAINS Vol 22, No 3 (2022)
Publisher : Universitas Tribhuwana Tunggadewi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/bs.v22i3.4492

Abstract

The research aims to obtain the concentration and immersion time to increase the essential oil content, growth, and yield of ginger plants. This research used a split-plot design, with the main plots of ginger varieties and subplots of colchicine immersion time. Parameters observed included stem morphology, leaf morphology, root morphology, rhizome morphology, and essential oil content. The research results show that the optimal immersion time of colchicine with a four ppm dose to increase productivity in the three varieties of ginger was 12 hours. Immersion of 16 hours would reduce the productivity of ginger plants. Immersion using colchicine for 12 hours on white ginger and small white ginger varieties was able to increase the essential oil content to 1.79% and 2.31%, and also increasing essential oil would optimize for red ginger with immersion time for 16 hours was become 2.75%.
EVALUASI VISUAL TAMAN MERBABU FAMILY PARK DI KOTA MALANG Debora Budiyono; Hendra Kurniawan; Astri Sumiati; Selly Irma Rahma Firdaus
BUANA SAINS Vol 22, No 3 (2022)
Publisher : Universitas Tribhuwana Tunggadewi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/bs.v22i3.4507

Abstract

This study aimed to produce a recommendation to the public and the government related to efforts to deal with the problem of the visual aesthetic quality of the landscape, especially in the garden landscape. The garden landscape is necessary to evaluate visual quality using assessment methods, namely Scenic Beauty Estimation (SBE). The methods produce low, medium, and high visual aesthetic quality categories where the relationship between them supports or does not support each other. The result showed dominant results are mutually supportive or appropriate on high-value playground areas and low-value soccer fields. The Welcome Area, Rest Area, and Infiltration Area have result that does not support each other with different quality values for each photo. Recommendations in this area are adjusted to the results of the assessment based on each method in the form of design concept recommendations that lead to the SBE method. 
PERAN PUPUK ORGANIK CAIR URIN KELINCI PADA TANAMAN PAKCOY(Brassica rapa L) Widyana Rahmatika; Edy Soenyoto; Retno Dwi Andayani; Yunus Susilo
BUANA SAINS Vol 22, No 3 (2022)
Publisher : Universitas Tribhuwana Tunggadewi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/bs.v22i3.4487

Abstract

The aimed this study was to determine the effect of rabbit urine liquid organic fertilizer on N uptake, growth, and yield of pakcoy plants and to determine the dose of rabbit urine liquid organic fertilizer on pakcoy plants. This research used a randomized block design which repeated four times. Treatment factor: administration of rabbit urine concentration consisting of 6 treatments: U0 = 0 ml/Plant (Control or no treatment), U1 = 25 ml/Plant, U2 = 30 ml/Plant, U3 = 35 ml/Plant, U4 = 40 ml/ Plant, U5 = 45 ml/ Plant. Two phases of observation parameters were observed in this study, namely the vegetative phase which includes the height of the pakcoy plants in cm units, the number of pakcoy leaves (strands), and the area of the leaves using the length x width times the constant method. The generative phase was observed fresh weight of the plants and the total N uptake at harvest. There are significant differences in the parameters of plant height, number of leaves, and leaf area. Meanwhile, there was no significant difference in the fresh weight of the plants. There were differences in the percentage of nitrogen uptake in each treatment, the highest uptake was in treatment U5, namely using rabbit urine 45 ml/plant, and the lowest in treatment U4, namely using rabbit urine 40 ml/plant.
PERAN PENYULUH PERTANIAN LAPANGAN PADA KELOMPOK TANI DALAM MENGEMBANGKAN KOMODITI TANAMAN PANGAN Zainol Arifin; Anis Trianawati; Titik Musriati Musriati
BUANA SAINS Vol 22, No 3 (2022)
Publisher : Universitas Tribhuwana Tunggadewi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/bs.v22i3.4494

Abstract

The agricultural instructor is a party that assists farmers in developing farming. Agricultural instructors must act as facilitators, communicators, and motivators to encourage farmers to participate in facilitating the progress of their farming business. The aim of this study was to determine the role of field agricultural extension workers in farmer groups in developing food crop commodities in Kolilanang Village, Adonara District, East Flores Regency. The method used a descriptive qualitative with a Likert Scale. The results showed that the role of extension workers as facilitators in this study obtained a total score of 399 or 88.6%. For the role of the Agricultural instructors as a communicator, a total score of 398 or 88.4% was obtained, while for the role of the Agricultural instructors as a motivator, a score of 394 or 87.5% was obtained. The role of Agricultural instructors as facilitators, motivators, and communicators in farmer groups in Kolilanang Village, Adonara District, East Flores Regency is categorized as very good or farmers get support in developing agriculture, especially in food agriculture.
PERBANDINGAN MODEL TANAM KONVENSIONAL DAN PLANT FACTORY TERHADAP SAYURAN CAISIM Amir Hamzah; Risky Alfian; Ninin Khoirunnisa; Wahyu Fikrinda
BUANA SAINS Vol 22, No 3 (2022)
Publisher : Universitas Tribhuwana Tunggadewi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/bs.v22i3.4488

Abstract

The aim of this study the first is to know the different effects of treatment with red-blue LED and then compare it to treatment with white fluorescent light for green mustard growth, and the second is for determined the composition from each different treatment to reach the optimum growth of green mustard in the plant factory environment. In this case, treatment with fluorescent light will be used as a control variable for the observation. The research parameter is air temperature, light intensity, and the plant's physical measurements such as diameter and height. This study used a Single Plant Design, the treatment specified in this research was a planting model consisting of the first indoor hydroponic planting model or Plant Factory by applying LED (M1) irradiation, the second outdoor planting model in a greenhouse using full sun irradiation. (M2), and the third cropping model uses direct planting in the field (M3), and the fourth cropping model uses hydroponic planting in open spaces (M4). The result showed that cultivation with the plant factory model produced the best stover wet weight, which was 165.33 g, in contrast to the greenhouse planting model which produced a wet stover weight of 97.33 g and was different from the conventional model, which was 47.33 g. Vegetable wet weight is decent. Consumption also produced the highest with the plant factory planting model, which was 159.67 g per plant, followed by the greenhouse planting model, which was 92.33 g, and different from the conventional model, which was 46.67 g. Whereas if the method converted per ha, the best yields found in the plant factory cultivation model produce caisim vegetables of 27.56 tons/ha, different from the greenhouse planting model is 16.22 tons ha and significantly different from the conventional model which is 7.89 tons/ha.
DAMPAK PANDEMIC COVID-19 TERHADAP PENDAPATAN DAN KELAYAKAN USAHATANI BAWANG MERAH DI DESA TORONGREJO, KECAMATAN JUNREJO, KOTA BATU Asnah Asnah; Maria Veronika Soi; Farah Mutiara
BUANA SAINS Vol 22, No 3 (2022)
Publisher : Universitas Tribhuwana Tunggadewi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/bs.v22i3.4495

Abstract

Shallots are one of the important strategies for commodities whose price fluctuation is considered as a commodity that can affect inflation. Therefore, shallot farming is important to note. This study aims to analyze the income and feasibility of shallot farming before and during the Covid-19 pandemic. The research location was determined purposively, with a total sample of 45 people selected based on the census method. Methods of data analysis using farming analysis. The results showed that shallot farming in Torongrejo Village, Junrejo District, Batu City before and during the Covid-19 pandemic provided farmers with an average income of IDR 66,424,807.05 per hectare and IDR 152,732,757.00 per hectare. With this income, shallot farming is feasible to develop based on the R/C value of 3,796 before the Covid-19 pandemic and 6,682 during the Covid-19 pandemic. In addition, the price BEP value was IDR 3,906.92 per kg before the Covid-19 pandemic and IDR 3,741.26 per kg during the Covid-19 pandemic. BEP output was 1,559.63 kg per hectare before the Covid-19 pandemic and 1,075.16 kg per hectare during the Covid-19 pandemic. Thus the Covid-19 pandemic does not harm shallot farming at the research location.

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