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All Journal Jurnal Hortikultura Indonesia (JHI) Forum Pasca Sarjana Jurnal Teknik Industri Agrotekno Buletin Udayana Mengabdi JURNAL REKAYASA DAN MANAJEMEN AGROINDUSTRI Jurnal BETA (Biosistem dan Teknik Pertanian) Jurnal Ilmiah Teknologi Pertanian Agrotechno Jurnal Ilmiah Rekayasa Pertanian dan Biosistem AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Journal of Agricultural and Biosystem Engineering Research

Yohanes Setiyo

Program Studi Teknik Pertanian, Universitas Udayana

Author-ID : 2930776

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering

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Kajian Kualitas Beras Sosoh Dari Berbagai Macam Ukuran Daya Mesin Penggiling I B Werdi Putra; Yohanes Setiyo; I Gusti Ngurah Apriadi Aviantara
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 8 No 1 (2020): April
Publisher : Program Studi Teknik Pertanian, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Rice is a staple food for the people of Indonesia. Even though Indonesia is an agrarian country, Indonesia currently imports rice. In producing rice from rice there are obstacles. One of the main obstacles is post-harvest handling of rice with high yield loss during post-harvest. The amount of post-harvest loss occurs because most farmers still use traditional methods or the handling is not good and right. The purpose of this study was to determine the relationship between the capacity of the grinding machine and the quality of sosoh rice produced by the mill and to know the quality comparison of various types of grinding machine capacity. The research was carried out in the area of ??Wanasari Village, Tabanan-Bali to find out the quality of sosoh rice in the region. Head Rice is broken rice grains, both healthy and defective, which have a size greater than or equal to 6/10 part of the average length size of whole rice grains that can pass through the surface of the indented plate basin with a requirement of 4.2 mm hole size. Rice husk is a protective cover from rice grains which is separated from seeds during the grinding process. In the grinding process, there is rice which remains the husk which is caused by the power / rpm of the grinding machine which is too low because the friction force produced by the engine is not sufficient for the overall release of rice husk

Kajian Relevansi Sifat Piskokimia Tanah pada Kualitas dan Produktivitas Kentang (Solanum Tuberosum L) I Wayan Arsa; Yohanes Setiyo; I Made Nada
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 1 No 1 (2013): Maret
Publisher : Program Studi Teknik Pertanian, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

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This research was conducted to determine the effect level of NPK fertilizer added with compost fertilizer on soil psychochemical properties, the quality and the productivity of Granola G4 potatoes. This study lesed Split plot with : twosub plot, and four level doses NPK fertilizer. Each level of NPK fertilizing was repeated three times. NPK fertilizing levels are: 160 kg / ha (P1), 180 kg / ha (P2), 200 kg / ha (P3), and 220 kg / ha (P4), with chicken manure from compost. Dose of compost was 20 tonnes per hectare. Variable of this research were : soil structure, soil water holding capacity, permanent wilting point of crops, crops water availability, pH, soil organic matter, productivity and quality of petetues. Availability of water crops was between 21 – 24 % wet basis (w.b). Each level of NPK fertilization was able to change pH from 6.5 to 6.9. Content of C-organic content at early potatoes planting was 4.0 – 4.1 % and after potatoes harvesting the C-organic content was 4.7 – 6.4 %. The potatoes productivity at NPK fertilization 200 tones/ha and 220 tones/ha was 30 tones/ha. The number of tubers can be used as seed was 38.4% and 36.5% with the number of tubers rot was 3.8 and 3.6%

Dampak Dosis Kompos Kotoran Sapi Terhadap Profil Suhu Tanah di Zona Perakaran dan Produktivitas Tanaman Pakcoy (Brassica rafa L) I Made Andi Purnama Wijaya; Yohanes Setiyo; I Wayan Tika
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 7 No 2 (2019): September
Publisher : Program Studi Teknik Pertanian, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Suhu tanah adalah salah satu sifat fisik tanah yang secara langsung mempengaruhi pertumbuhan tanaman pakcoy. Tujuan penelitian ini adalah (1) untuk menganalisis suhu di zona perakaran, (2) menganalisis hubungan antara dosis pemupukan mempergunakan kompos dengan suhu di zona perakaran dan (3) untuk menganalis suhu yang optimum untuk produktivitas dan kualitas pakcoy yang dihasilkan saat panen. Rancangan penelitian yang digunakan rancangan acak lengkap, dengan lima perlakuan dan tiga ulangan. Perlakuan tersebut adalah P0 : dosis kompos 0 kg/m2, P1 : dosis kompos 1 kg/m2, P2 : dosis kompos 2 kg/m2, P3 : dosis kompos 3 kg/m2, dan P4 : dosis kompos 4 kg/m2. Parameter yang diamati pada penelitian ini adalah suhu udara, suhulingkungan, kadar air tanah dan produktivitas. Padamalam hari suhu tanah di zona perakaran lebih tinggi 0,59 oC dari pada suhu lingkungan. Suhu tanah di zona perakaran terendah dan tertinggi adalah 18,02 oC dan 21,94 oC. Suhu tanah malam hari dan siang hari untuk dosis 0-5kg/m2 masih toleran pada tanaman pacoy. Berat kering tanaman pakcoy tertinggi pada perlakuan dosis kompos 4kg/m2 denganberat 92,21 gram/tanaman dan terendah pada perlakuan kontrol dengan berat 71,82 gram/tanaman. The temperature of the soil is one of the physical properties of the soil, this soil physical properties direc2tly affect plant growth pakcoy. The purpose of this research are (1) to analyze the temperature at root zone, temperature inside and out of the mini greenhouse, (2) analyze the relationship between temperature at root zone with doses of compost fertilizer application and 3) to analyze the optimum dose of compost based on productivity and quality of the pakcoy is generated when the harvest. The design of the research used randomized complete design, with five treatments and three replicates. The treatment is P0: a dose of compost 0 kg/m, P1: a dose of compost 1 kg/m2, P2: a dose of compost 2 kg/m2, P3: the dose of compost 3 kg/m2, and P4: a dose of compost 4 kg/m2. The parameters observed in this research is the air temperature, the temperature of the environment, ground water levels and productivity. At night the temperature of the soil rooting zone higher at 0.59 ºC than at the temperature of the environment. Soil temperature at root zone the lowest and the highest are 18.02 oC and 21.94 oC. The temperature of the soil the night and during the day for dose 0-5 kg/m2 was still tolerant plants pakcoy. Dry weight of the plant the highest pakcoy on the treatment dose of compost 4 kg/m2 with a weight of 92.21 grams/lowest at the treatment plant and the control by the weight of 71.82 grams/plant.

Pengaruh Kadar Air Terhadap Proses Pengomposan Jerami Dicampur Kotoran Sapi Made Pila Putra; . Sumiyati; Yohanes Setiyo
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 6 No 1 (2018): Maret
Publisher : Program Studi Teknik Pertanian, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

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Varietas padi unggul yang dihasilkan dapat menghasilkan jerami padi dalam satu kali panen mencapai 25 ton / ha dapat digunakan sebagai bahan baku pupuk kompos. Tujuan dari penelitian ini adalah untuk mengetahui pengaruh kadar air pada proses pengomposan jerami dan kotoran sapi, dan mengetahui kadar air yang sesuai agar proses pengomposan jerami dan kotoran sapi lebih cepat. Penelitian ini menggunakan 5 perlakuan yaitu: P1 (perlakuan kadar air 40%), P2 (perlakuan kadar air 45%), P3 (perlakuan kadar air 50%), P4 (perlakuan kadar air 55%), dan P5 (perlakuan kadar air 60%). Berat bahan untuk masing-masing perlakuan adalah 35 kg menggunakan perbandingan jerami dan kotoran sapi 3:4. Parameter yang diamati adalah suhu, kadar air, rendemen, pH, nitrogen, karbon dan rasio C/N. Suhu puncak maksimal dari 5 perlakuan adalah pada perlakuan kadar air 60% dengan suhu 49,8oC dan suhu puncak terendah adalah perlakuan kadar air 40% dengan suhu tertinggi 48,4 oC. Pengomposan awal, nilai pH berkisar 6,4-6,6 pada akhir proses pengomposan, nilai pH berkisar 6,9-7,2. Rasio C/N dari semua perlakuan memenuhi standar SNI yaitu rasio C/N berkisar 18,60-19,01. Kualitas kompos yang dihasilkan dari bahan baku jerami dan kotoran sapi pada kelima perlakuan sudah sesuai dengan standar SNI No. 19-70302004 digunakan sebagai acuan kualitas kompos. High yielding rice varieties can be produced the rice straw in one harvest reached 25 tons/ha can be used as raw material for compost fertilizer. The purpose of this study was to determine the influence of water content in the composting process of rice straw and cow dung, and to know the appropriate water content for the process of composting the form rice waste and cow dung more quickly. This study used 5 treatments: P1 (with water content of 40%), P2 (with water content of 45%), P3 (with water content of 50%), P4 (with water content of 55%), and P5 (with water content of 60%). The material weight for each treatment was 35 kg using comparison of rice straw and cow dung 3:4. The parameters observed were temperature, water content, yield, pH, nitrogen, carbon and C/N ratio. The maximum peak temperature of the 5 treatments is at 60% water content with temperature of 49.8oC and the lowest peak temperature is a 40% water content with a highest temperature of 48.4oC. Early composting, pH values ranged from 6,4-6,6 and at the end of the composting process, pH values ranged from 6,9-7,2. The C/N ratio of all treatments meets the SNI standard ie the C/N ratio ranged from 18,60-19,01. The quality of compost that been produced from the raw materials of straw and cow dung on the five treatments was in accordance with the SNI standard no. 19-70302004 is used as a reference of compost quality.

Kajian Proses Fermentasi Sludge Kotoran Sapi I Putu Gde Suhartana; Dr. Ir Yohanes Setiyo, MP; Dr. Ir. I Wayan Widia, MSIE
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 5 No 1 (2017): maret
Publisher : Program Studi Teknik Pertanian, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

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Penelitian ini bertujuan untuk mengetahui pengaruh perlakuan sirkulasi udara terhadap proses fermentasi sludge kotoran sapi dan juga mengetahui kualitas sludge yang dihasilkan sesuai dengan SNI kompos No. 19-7030-2004. Perlakuan sirkulasi udara dilakukan dengan menggunakan aerator. Ada tiga kombinasi perlakuan yang dicoba, yaitu aerator dan drum bermantel, aerator dan drum tanpa mantel, serta tanpa aerator dan drum tanpa mantel (perlakuan kontrol). Hasil penelitian ini menujukan bahwa setiap perlakuan pada proses fermentasi memiliki fluktuasi suhu yang berbeda antara 21,56-24,41 oC. Suhu ini merupakan syarat untuk pertumbuhan mikroba mesofilik. Kondisi keasaman dari material sludge yang diperoleh pada awal sampai akhir fermentasi seluruh perlakuan telah memenuhi kondisi proses fermentasi yang optimal, yaitu pada kisaran pH 6,92-7,65. Pengaruh sirkulasi udara didalam biodigester dapat mempercepat pemecahan protein menjadi C-organik dan N-total yaitu C-organik = 24,22% dan N-total = 1,80%. Kompos yang dihasilkan dengan proses fermentasi memiliki karakteristik rasio C/N = 13,46 dan memiliki penampakan warna coklat kehitaman. Karakteristik kompos ini sesuai dengan kualitas kompos SNI No. 19-7030-2004, yaitu pH = 6,80-7,49, C-organik = 9,80-32%, N-total = 0,40%, rasio C/N = 10-20. This research aimed to determine the effect of air circulation treatment toward cow manure sludge fermentation process and to determine the quality of sludge that was produced accordance to Indonesia National Standard (SNI) of Compost No. 19-7030-2004. The air circulation treatment was done by using aerator. There were three combination treatments of air circulation: the aerator and drum with coat, aerator and drum without coat, and without aerator and drum without coat was applied as a control. The results of this study indicate that each treatment in the fermentation process had a different temperature fluctuations between 21.56 to 24.41 °C. Temperature is a requirement for mesophilic microbial growth. The acidity condition of the sludge material that obtained at the beginning until the end of fermentation was the whole treatment has fulfilled the optimal conditions of fermentation process, with range of pH was from 6.92 to 7.65. The influence of air circulation inside the drum without the coat of husk can accelerate the breakdown of proteins into C-organic and N-total, that was C-organic= 24.22%, and N-total = 1.80%. The compost that produced by the fermentation process had the characteristic ratio C / N = 13.46 and had a blackish brown color rendition. Characteristics of compost according to the quality of compost ISO No. 19-7030-2004, that is pH = 6.80 to 7.49, C-organic = 9.80 to 32%, N-total = 0.40%, the ratio of C / N = 10-20.

Kajian Proses Fermentasi Limbah Sayur dan Buah dari Pasar Tradisional Kintamani I Wayan Edy Wirawan; Yohanes Setiyo; Ida Ayu Gede Bintang Madrini
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 9 No 2 (2021): September
Publisher : Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JBETA.2021.v09.i02.p14

ABSTRAK Tujuan dari penelitian ini yakni sebagai berikut: (1) mengetahui pengaruh kombinasi antara limbah sayur dan limbah buah untuk dibuat pupuk organik cair, dan (2) mengetahui perlakuan yang terbaik pada proses fermentasi limbah sayur dan buah dari pasar tradisional Penelitian ini menggunakan 4 perlakuan sebagai berikut : perlakuan A0 = sayur 100 %, A1 = sayur 90 % dan buah 10 %, perlakuan A2 = sayur 80 % dan buah 20 %, perlakuan A3 = sayur 70 dan buah 30 %. Campuran sayur dan buah dari setiap perlakuan adalah 10 kg dan dihancurkan dengan blender, hasil pengecilan ukuran kemudian di ditambahkan dengan air 20 liter dan molase masing masing 1 kg . Sayur adalah sawi putih, kobis, sayur hijau,sedangkan buah : Tomat.Parameter yang diamati yaitu : perubahan warna, derajat keasaman (pH) dan Daya hantar listrik (EC), (TDS), BOD (Biochemical Oxygen Demand), COD (Chemical Oxygen Demand), C-organik dan N-total. Secara umum, kualitas pupuk cair yang dihasilkan dari keempat perlakukan sesuai dengan Standar SNI No.70/Permentan/SR.140/10/2011. ABSTRACT The objectives of this study were to: (1) determine the effect of a combination of waste vegetables and fruit waste to make liquid organic fertilizer, and (2) find out the best treatment in the fermentation process of vegetable and fruit waste from the traditional market of Kintamani. This study uses 4 treatments as follows: A0 treatment = 100% vegetables, A1 = 90% vegetables and 10% fruit, A2 treatment = 80% vegetables and 20% fruit, A3 treatment = 70 vegetables and 30% fruit. The mixture of vegetables and fruit from each treatment is 10 kg and crushed with a blender, the size reduction results are then added with 20 liters of water and molasses 1 kg each. Vegetables are chicory, cabbage, green vegetables, whole fruit: Tomatoes. The observed parameters are changes in color, degree of acidity (pH) and electrical conductivity (DHL), (TDS), BOD (Biochemical Oxygen Demand), COD (Chemical Oxygen Demand), C-organic, and N-total. In general, the quality of liquid fertilizer produced from the four treatments is in accordance with SNI Standard No.70 / Permentan / SR.140 / 10/2011

Pendugaan Intensitas Serangan Penyakit BLB (Bacterial Leaf Blight) pada Tanaman Padi melalui Pendekatan Citra Multispektral Gusti Bagus Eka Chandra; I Made Anom S. Wijaya; Yohanes Setiyo
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 8 No 2 (2020): September
Publisher : Program Studi Teknik Pertanian, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

ABSTRAK Penyakit Bacterial Leaf Blight (BLB) merupakan salah satu penyakit yang berbahaya bagi tanaman padi. Penyakit ini bisa menyerang di setiap fase pertumbuhan. Perhitungan intensitas serangan penyakit BLB saat ini masih dilakukan secara manual. Diperlukan pengembangan teknologi dalam pendugaan intensitas serangan penyakit BLB melalui citra multispektral. Penelitian ini bertujuan untuk (1) untuk mendapatkan nilai korelasi terbaik antara intensitas serangan penyakit BLB dengan parameter citra multispektral (2) Untuk mendapatkan persamaan pendugaan intensitas serangan penyakit BLB berdasarkan pendekatan citra multispektral. Drone DJI Inspire 1 dengan kamera multispektral digunakan untuk menangkap gambar petak padi. Pengolahan data citra multispektral menggunakan Agisoft Photoscan dan software QGIS 3.8. Berdasarkan dari hasil akuisisi, citra multispektral menghasilkan citra band red, NIR, green, red edge, RGB yang kemudian diolah menjadi transformasi citra NDVI, EVI, dan NDRE. Dari ketiga parameter citra multispektral, nilai NDVI memiliki tingkat korelasi yang lebih kuat dengan koefisien determinasi sebesar 97,5% dan menghasilkan persamaan linier sebagai berikut y = -419,6 + 169,3. Dalam perhitungan nilai eror parameter NDVI memilikinilai eror paling rendah dibandingkan parameter EVI dan NDRE yaitu sebesar 4,64% dengan akurasi pendugaan 95,36%. Citra multispektral dapat digunakan dalam pendugaan intensitas serangan penyakit BLB pada tanaman padi karena menghasilkan nilai korelasi yang sangat kuat, dan akurasi pendugaan yang tinggi dengan nilai eror yang rendah tidak melebihi 10%. ABSTRACT Bacterial Leaf Blight (BLB) is a disease that is dangerous for rice plants. This disease can attack in every phase of growth. Calculation of BLB disease attack intensity is currently still used manually method. Technology development is needed in estimating the intensity of BLB disease through multispectral imagery. This study aims (1) to get the best correlation value between the intensity of BLB disease attack with multispectral image parameters (2) to get the equation for estimating the intensity of BLB based on multispectral images parameter. Drone DJI Inspire 1 with a multispectral camera is used to captured the paddy field. The captured images was processed using Agisoft Photoscan and QGIS 3.8 software. Based on the results of the acquisition, multispectral images produce red, NIR, green, red edge, RGB band images which were then transformed into NDVI, EVI, and NDRE images. Of the three multispectral image parameters, NDVI values ??have a stronger correlation level with a determination coefficient of 97.5% and produce the following linear equation y = -419.6 + 169.3. In calculating the NDVI parameter error value has the lowest error value compared to the EVI and NDRE parameters which is 4.64% with an accuracy estimate of 95.36%. Multispectral imagery can be used in estimating the intensity of BLB disease attacks in rice plants because it produces a very strong correlation value, and high estimation accuracy with a low error value does not exceed 10%.

Pengaruh Penambahan Urea pada Mediad dan Pemanasan terhadap Produksi Biogas Kadek Mila Adiani; Ida Bagus Putu Gunadnya; Yohanes Setiyo
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 8 No 1 (2020): April
Publisher : Program Studi Teknik Pertanian, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Biogas is one of the energy sources originating from livestock waste, besides being environmentally friendly (renewable energy), it can also be used for sustainable energy. Biogas is a mixture of gases resulting from an anaerobic fermentation process from livestock manure (cow). The purpose of this study was to determine the effect of adding various urea concentrations and heating in deep biogas production. This study applied a completely randomized design (RAL) with two treatment factors: heating (heating and without heating) and urea concentration (2%, 4%, 6%, 8%). Observations carried out in the form of measuring the temperature of biogas media, gas volume, CO2, the volume of methane gas, and the time of biogas formation. Variant analysis showed that the heating interaction and urea concentration showed a significant effect (P <0.05) on the measurement of biogas media temperature, gas volume, CO2, methane volume, and biogas formation time. The results showed that the combination of heating treatment with 8% urea concentration was the best treatment in producing biogas with the characteristics of gas volume of 16.67 ml, CO2 content of 0.08%, methane volume of 15.49 ml, with the time of biogas formation which is on the day 10.

Rancang Bangun Alat Penanam Dan Pemupuk Jagung (Zea mays) Tipe Tugal Semi Mekanis Yang Ergonomis I Wayan Sugiana; Ida Bagus Putu Gunadnya; Yohanes Setiyo
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 5 No 1 (2017): maret
Publisher : Program Studi Teknik Pertanian, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (609.495 KB)

Tujuan dari penelitian adalah untuk mendapatkan rancangan alat penanam dan pemupuk jagung yang mampu meringankan pekerjaan petani dalam budidaya jagung khususnya melakukan penanaman dan pemupukan dalam sekali proses kerja. Metode yang digunakan dalam penelitian adalah membuat prototipe alat penanam dan pemupuk jagung tipe tugal semi mekanis yang dilakukan pengujian pada lahan 100 m2 tanpa olah tanah dengan kondisi digenangi 2-3 hari sebelum tanam pada jarak tanam 25 cm dalam barisan dan 75 cm antar barisan. Hasil dari pengujian menunjukan bahwa rata-rata keluaran benih jagung dan pupuk untuk setiap lubang tanam adalah 2 benih dan 31-40 gram pupuk dengan tingkat keberhasilan 86,88 % dan 95 %, kapasitas lapang efektif 0,0122 ha/jam, kapasitas lapang teoritis 0,0135 ha/jam dan kecepatan jalan penanaman 12 lubang/menit. The purpose of this research was to get a prototype of a maize planters and fertilizer that can simplify work of farmers in the cultivation of maize, especially planting and fertilizing in one work process. The method used in this research is to create a prototype of a planter and corn fertilizer semi-mechanical that tested on 100 m2 of land no-tillage with flooded conditions 2-3 days before planting at a spacing of 25 cm in a row and 75 cm between rows. The results of the test show that the average output of corn was 2 seed to each hole and 31-40 grams fertilizer with a success rate of 86,88 % and 95 %, effective field capacity 0,0122 ha/hour, theoretical field capacity 0,0135 ha/hour and the speed of planting was 12 hole/minute. The purpose of this research was to get a prototype of a maize planters and fertilizer that can simplify work of farmers in the cultivation of maize, especially planting and fertilizing in one work process. The method used in this research is to create a prototype of a planter and corn fertilizer semi-mechanical that tested on 100 m2 of land no-tillage with flooded conditions 2-3 days before planting at a spacing of 25 cm in a row and 75 cm between rows. The results of the test show that the average output of corn was 2 seed to each hole and 31-40 grams fertilizer with a success rate of 86,88 % and 95 %, effective field capacity 0,0122 ha/hour, theoretical field capacity 0,0135 ha/hour and the speed of planting was 12 hole/minute.

Dampak Penggunaan Naungan Plastik Terhadap Profil Iklim Mikro Pada Budidaya Kentang Bibit (Solanum Tuberosum L) Varietas Granola Kelompok G0 I Putu Tantra Ardika; Yohanes Setiyo; Sumiyati .
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 7 No 1 (2019): Maret
Publisher : Program Studi Teknik Pertanian, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Tujuan dari penelitian ini adalah untuk (1) mengetahui profil iklim mikro pada naungan plastik dengan warna plastik berbeda dan (2) mengetahui warna plastik untuk naungan yang sesuai terhadap peningkatan kualitas kentang varietas granola G0. Penelitian ini menggunakan rancangan acak lengkap masing-masing terdiri dari empat perlakuan dan tiga ulangan, yaitu perlakuan tanpa naungan, perlakuan naungan plastik warna bening, perlakuan naungan plastik warna biru dan perlakuan naungan plastik warna merah. Untuk pengukuran iklim mikro digunakan alat temperature and humidity meter dan light meter. Pengukuran iklim mikro dilakukan seminggu sekali yaitu setiap pukul 12.00 WITA. Analisis data intensitas cahaya matahari dilakukan membuat gambar dalam naungan menggunakan metose garis kontur, sedangkan data hasil pengukuran suhu udara, suhu tanah, kelembaban dan variabel kualitas yang diperoleh diolah dengan menggunakan program komputer Microsoft Excel untuk memperoleh grafik, lalu dianalisis dengan metode deskiptif, dan dilanjutkan analisis menggunakan analisis sidik ragam (ANOVA). Hasil penelitian intensitas cahaya matahari menunjukkan kontur profil saat tanaman berusia 2 minggu profil sebaran naungan warna bening 975-1025 lux, naungan warna merah 675-725 lux, naungan warna biru 575-595 lux, sedangkan pada tanaman berusia 8 minggu naungan warna bening 100-800 lux, naungan warna merah 100-700 lux, dan naungan warna biru 100-400 lux. Rata-rata suhu udara tanpa naungan 26,20C, naungan bening 26,80C, naungan merah 26,60C, naungan biru 26,20C. Rata-rata kelembaban tanpa naungan 76%, naungan bening 77%, naungan merah 78%, naungan biru 79%. Perlakuan naungan bening menunjukkan kualitas terbaik yaitu rata-rata 4,4 umbi per pohon, rata-rata berat 257,6 gram per pohon dan rata-rata 1 umbi per pohon. The purpose of this study was to (1) determine the microclimate profile of plastic shade with different plastic colors and (2) find out the color of plastic for the appropriate shade to increase the quality of granola G0 potato varieties. This study used a completely randomized design, each consisting of four treatments and three replications, namely treatment without shade, transparent plastic shade treatment, blue plastic shade treatment and red plastic shade treatment. For microclimate measurement, the temperature and humidity meter and light meter are used. Microclimate measurement is done once a week, which is at 12.00 p.m. Analysis of sunlight intensity data was carried out to make profile image in the shade using metose contour lines, while the results of measurements of air temperature, soil temperature, humidity and quality variables obtained were processed using a Microsoft Excel computer program to obtain graphics, then analyzed using the deskiptive method and continued the analysis using variance analysis (ANOVA). The result of the intensity of sunlight is made profile countur, and the result of measurement of air temperature, soild temperature, moisture and variable quality is made graph. The results of the study of solar light intensity show the contour of the profile when the plant is two weeks old, the clear shade distribution profile is 975-1025 lux, the shade is read 675-725 lux, the shade is blue 575-595 lux, while in the eight week old plant, the clear shade is 100-800 lux, the shade is red 100-700 lux, and the shade is blue 100-400 lux. Average air temperature without shade 26,20C, clear shade 26,80C, red shade 26,60C, blue shade 26,20C, average moisture without shade 76%, clear shade 77%, red shade 78%, and blue shade 79%. The treatment of clear shade shows the best quality, that is an average of 4,4 tubers every single tree, average 257,6 grams every single tree and average of 1 tuber every single tree.

Co-Authors Ali Husyain Sakti Arief Sabdo Yuwono Dandy Zulfikar Sulthan Siata Desak Agung Hepi Dewa Bagus Putu Prabha Diptaya Gede Jaya Kusuma Putra Guna, Kadek Mahendra Adhi Gusti Bagus Eka Chandra Hadi K. Purwadaria Handayani Nofiyanti, Sri Henggar Jaya, Gigieh I B Werdi Putra I Dewa Gde Mayun Permana I Gusti Ayu Lani Triani I Gusti Ketut Arya Arthawan I Gusti Ketut Arya Arthawan I Gusti Ngurah Apriadi Aviantara I K. Satriawan I Kadek Ari Andika I Made Andi Purnama Wijaya I Made Anom Sutrisna Wijaya I Made Dwijantara Putra I Made Merta I Made Mudiarta I Made Nada I Made Nanda Suastika I Made Sudana I Made Suphartha Utama I NYOMAN RAI I Nyoman Semadi I Nyoman Sucipta I Putu Gde Suhartana I Putu Gede Budisanjaya I Putu Surya Wirawan I Putu Tantra Ardika I Wayan Arsa I Wayan Budiarta I Wayan Edy Wirawan I Wayan Krispedana I Wayan Satrio Wiantara I Wayan Sugiana I Wayan Tika I Wayan Tika I Wayan Widia I Wayan Widia I WAYAN WIRAATMAJA I. A. G. Bintang Madrini Ida Ayu Inten Dwi Sulatri Ida Ayu Mahatma Tuningrat Ida Ayu Rina Pratiwi Pudja Ida Ayu Rina Pratiwi Pudja Ida Ayu Rina Puja Ida Bagus Putu Gunadnya Ida Bagus Wayan Gunam Jarinsen Yanardo Purba Kadek Mila Adiani KETUT BUDI SUSRUSA Komang Sri Diah Nirmala Dewi Komang Suteja Pramana Lutfi Suhendra M Ikram M. Ahkam Subroto Made Arya Bhaskara Putra MADE MERTA Made Pila Putra Made S Utama Merisa - Aritonang Muhdan Syarovy Muna, Mukhes Sri Ni luh Devi Widyanti Ni Luh Putu Sarasulistian Ni Luh Trimayanti Ni Luh Yulianti Ni Made Eva Yulia Dewi Ni Nyoman Sulastri Ni Putu Ayu Prya Chandani Ni Putu Yuliasih Ni Putu Yuliasih Ni Wayan Diana Sepriani NYOMAN SEMADI ANTARA Putu Citra Dewi Rina Pratiwi Pudja I. A Ronni Agriva Sembiring roy zulkarnaen Sebastiao Massa Sukma Elvayani, I Gusti Ayu Evi Sumiyati - Sumiyati - Sumiyati Sumiyati Sumiyati Sumiyati Sumiyati Utama, Made S Wayan Tika Yosika, Nur Ida Winni Yudha Kristyanto Leksono Zainul Arifin

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