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Aplikasi Remote Sensing dan GIS untuk Pemetaan Perubahan Penggunaan Lahan dan Dampaknya Terhadap Persediaan Pangan di Kecamatan Denpasar Selatan Rahmadani, Aditya; Lanya, Indayati; Bhayunagiri, Ida Bagus Putu
Agrotrop : Journal on Agriculture Science Vol 14 No 1 (2024)
Publisher : Fakultas Pertanian Universitas Udayana

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Application of Remote Sensing and GIS for Land Use Mapping and Impact on Food Supply in South Denpasar. The increasing demand for land, driven by population growth, societal development, and economic progress, leads to land use conversion. The conversion of agricultural land to non-agricultural purposes has implications for food availability. This research aims to assess land use changes over an 11-year period (2012-2023), determine the presence of subak (traditional Balinese irrigation system) in 2041 based on the Regional Spatial Plan (RTRW) map, and project the analysis of food availability in 2030 and 2040 due to land use changes. The methods employed include satellite image interpretation, digital mapping, map overlay, and food availability analysis. The research findings indicate land use changes from 2012 to 2018 resulted in a conversion of 140,66 hectares (23,44 ha/year), and from 2018 to 2023, a conversion of 18,8 hectares (3,76 ha/year), with a total conversion of 159,46 hectares (14,50 ha/year) from 2012 to 2023. Based on the RTRW spatial plan map for 2021-2041, South Denpasar is projected to potentially 4 subak located outside agricultural zones. Land use changes in South Denpasar have implications for the rice food balance, with a projected deficit of (-19.973) tons in 2030 and (-20.563) tons in 2040. Reevaluation of land use allocation policies is necessary due to their impact on food availability, environment, social, and culture.

Uji Efek Inokulan Pelet dan Kapsul Trichoderma harzianum terhadap Kandungan Resin dalam Kayu Gaharu Pada Lahan Berbeda Mega, I Made; Kartini, Ni Luh; Suranjaya, I Gede
Agrotrop : Journal on Agriculture Science Vol 14 No 1 (2024)
Publisher : Fakultas Pertanian Universitas Udayana

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Testing the Effect of Trichoderma harzianum Pellet and Capsule Inoculant on Resin Content in Agarwood Wood on Different Lands. Resin is a secondary metabolite compound produced by agarwood plants due to injury or infection by microbes. The formation of gaharu resin is influenced by the genetics of the resin-producing tree, the type of inducing microbe, the environment and the length of the resin formation process in gaharu. Previous research showed that inoculant pellets and Trichoderma harzianum mushroom capsules could increase the resin content in agarwood in the Dauhpuri Marga Village experimental garden. This research aims to prove the effect of inoculant in Trichoderma harzianum mushroom pellet and capsule packaging on the resin content in agarwood in several different fields. This research is an experimental research with a factorial pattern RCB design. The first factor is the type of inoculant packaging with 3 levels, namely: F0 (without inoculant), Fp (pellet inoculant), Fk (capsule inoculant). The second factor is land type consisting of 3 levels: Kl (Klungkung), Mg (Marga), Sl (East Selemadeg). The parameters observed were: color of agarwood, aroma of agarwood, resin content in agarwood. Quantitative data from observations/measurements are analyzed statistically using variance analysis, if significant occurs, it is continued with the Duncan Test. The research results showed that the type of inoculant packaging had a significant effect on the resin content in agarwood, but the type of land had no significant effect on the resin content in agarwood. This proves that Trichoderma harzianum fungus pellet inoculant can increase the resin content in agarwood on various different fields.

Aplikasi Pupuk Organik Cair Limbah Rumah Tangga terhadap Pertumbuhan dan Hasil Tanaman Pakcoy Mayun, Ida Ayu; Astiningsih, A.A. Made; Sumarniasih, Made Sri
Agrotrop : Journal on Agriculture Science Vol 14 No 1 (2024)
Publisher : Fakultas Pertanian Universitas Udayana

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Application of Household Waste Liquid Organic Fertilizer on the Growth and Yield of Pakcoy Plants. Providing nutrients to cultivated plants is very important to support plant growth and development. The aim of the research was to determine the effect of household waste liquid organic fertilizer on the growth and yield of pak choy plants and which liquid organic fertilizer gave the best results. The research was carried out in a greenhouse using a completely randomized, non-factorial design. The research used polybags filled with 10 kg of soil as a medium and planted with pak choy vegetable plants. There are three treatments used, namely liquid organic fertilizer derived from rice washing water (POCB), onion skin washing water (POCBM), and fermented fruit residues (ecoenzymes) (POCEE). There were three treatments, namely: no treatment, giving 100 ml/1 liter of water, and giving 200 ml/1 liter of water. The number of treatments was 9 and repeated 4 times, so there were 36 treatments, and 2 plants were planted in each treatment, a total of 72 plants. Maintenance includes watering, cleaning plant media, and spraying using vegetable herbicides. The parameters observed were plant height, number of leaves, and fresh weight. Observations were made two weeks after planting, and then once a week until 45 days old (harvest). Based on the research results, the treatment that provides the best growth is ecoenzyme. The highest plant height was with the ecoenzyme treatment of 200 ml/1 liter of water (POEE2), followed by POBM2, POB2, namely 18.16 cm; 16.98 cm and 16.84 cm, the number of leaves is 9.6 pieces; 9.4 strands and 9.6 strands, and fresh weight 20 g; 19.5 g and 18.9 g. The results of the research are a recommendation that household waste is useful for making liquid organic fertilizer, as shown by the growth and fresh weight yield of pak choy plants.

Potensi Penambahan Sludge Minuman Ringan Berkarbonasi untuk Meningkatkan Mutu Kompos Agustina, I Komang Yudi; Arthagama, I Dewa Made; Trigunasih, Ni Made; Narka, I Wayan; Sumarniasih, Made Sri
Agrotrop : Journal on Agriculture Science Vol 14 No 1 (2024)
Publisher : Fakultas Pertanian Universitas Udayana

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Potential Addition of Carbonated Soft Drink Sludge to Improve Compost Quality. This research to aims knowing the dosage mix carbonated soft drink sludge in producing the best quality compost. This research was conducted from January to May 2021 in Tegak Village, Klungkung and at the Soil and Environment Laboratory, Faculty of Agriculture, Udayana University. The design used was a completely randomized design (CRD) with 6 formulation treatments and 4 replications. The treatments included: A (3 kg cow dung + 1 kg rice straw + 0% sludge), B (2,5 kg cow dung + 1,5 kg rice straw + 12,5% sludge), C (2 kg cow dung + 2 kg rice straw + 25 % sludge) D (1,5 kg cow dung + 2,5 kg rice straw + 37,5 % sludge), E (1 kg cow dung + 3 kg rice straw + 50% sludge) and F (0,5 kg cow dung + 3,5 kg rice straw + 62,5% sludge). The results of statistical analysis showed that the treatment tested had a very significant effect on organic C, total N, C/N ratio, P-available, pH and EC but had no significant effect on K-available and water content of the compost produced. The best compost quality was obtained in treatment C (C-organic 31,76%; total N; 1,60%; C/N ratio 19,90; P-available 0,06%; K-available 0,07%; pH 7,47; water content 24,01 %), followed by treatments F (C-organic 23,86%; total N 1,55%, C/N ratio 15,40; P-available 0,04 %; K-avaliable 0,07%; pH 7,68; water content 24,83%) and E (C-organic 26,58%; total N 1,57%; C/N ratio 16,93; P-available 0,05%; K-available 0,07%;pH 7,57; water content 23.36%).

Pengaruh Ekstraksi Benih dengan HCl dan Jenis Wadah Penyimpanan terhadap Daya Simpan Benih Tomat (Lycopersicum esculentum Mill.) Maheswari, Mea Aprilia; Astawa, I Nyoman Gede; Darmawati, Ida Ayu Putri
Agrotrop : Journal on Agriculture Science Vol 14 No 1 (2024)
Publisher : Fakultas Pertanian Universitas Udayana

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Effect of Seeds Extraction with HCl and Types of Storage Packaging on Storability of Tomato Seeds (Lycopersicum esculentum Mill.). This study aims to determine the effect of seeds extraction with HCl and types of storage packaging on storability of tomato seeds (Lycopersicum esculentum Mill.). This study used a factorial Completely Randomized Design with two factors. The first factor was HCl extraction which consists of five levels, namely HCl concentration 0% (K0), 1% (K1), 2% (K2), 3% (K3) and 4% (K4). The second factor was the type of storage packaging which consists of three levels, namely aluminium foil (JA), plastic clip (JP) and glass bottles (JB). Each treatment was repeated 3 times. The research was conducted at the Plant Breeding and Seed Technology Laboratory, Faculty of Agriculture, Udayana University from September-December 2022. The result showed the storage for 12 weeks used HCl extraction 2% in aluminium foil (K2JA) obtained the best average value to maintain the storabilitu of tomato seeds which is indicated by the value of water content (5,04%), germination (86,66%), simultaneous growth (82,22%) and vigor storability (82,22%) compared to another HCl concentration and storage packaging.

Pengaruh Dosis Urea terhadap Jerapan Ammonium dan Nitrat pada Biochar Sekam Chandra, Kartika Ferina; Kesumadewi, A.A. Istri; Soniari, Ni Nengah
Agrotrop : Journal on Agriculture Science Vol 14 No 1 (2024)
Publisher : Fakultas Pertanian Universitas Udayana

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Effect of Urea Dosage on Ammonium and Nitrate Absorption by Rice Husk Biochar. Biochar is a biological charcoal which is rich in carbon and functional groups, thus it capable to absorb nutrients including nitrate and soil ammonium which comes from ammonification and nitrification of urea. Activated rice husk biochar enriched with urea doses of 0:100, 50:50; 25:75 (percentage of biochar:urea; w/w) was tested for its ability to adsorb ammonium and nitrate through laboratory research. Each measurement was carried out weekly from 0-35 days with 3 replications. The results showed that the activated rice husk biochar able to absorb ammonium. Higher absorption was obtained in urea treatment with higher doses, namely 75 and 100% urea. A better incubation time to enrich rice husk biochar was 14 days for urea levels of 50 or 75%. The optimal ammonium uptake for the 50% urea + 50% rice husk biochar treatments were 489.83 mg.kg-1 and 482.80 mg.kg-1 for the 75% urea + 25% rice husk biochar treatment. The absorbed nitrate levels in the two treatments were 251.85 and 189.62 mg.kg-1 respectively. These findings can be a reference for determining the time needed to enrich rice husk biochar with urea to reduce the potential loss of nitrogen from urea hydrolysis. It is recommended to study activation materials that are more environmental-sound and determine the optimal proportions of urea and biochar in biochar.

Pengaruh Konsentrasi Pupuk Organik Cair Kulit Pisang Kepok terhadap Pertumbuhan dan Hasil Tanaman Bayam Merah (Amaranthus tricolor L.) Natania, Inggrid Olivia; Pradnyawathi, Ni Luh Made; Astawa, I Nyoman Gede
Agrotrop : Journal on Agriculture Science Vol 14 No 1 (2024)
Publisher : Fakultas Pertanian Universitas Udayana

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Effect of Concentration of Kepok Banana Peel Liquid Organic Fertilizer on Growth and Yield of Red Spinach (Amaranthus tricolor L.). This study aims to determine the effect and the best concentration of kepok banana peel liquid organic fertilizer which gave the highest growth and yield for red spinach (Amaranthus tricolor L.). This study used a completely randomized design (CRD) with 6 treatments, namely 0, 10, 20, 30, 40 and 50 ml/l with 4 repetitions. The research was conducted in the greenhouse of the Experimental Garden of the Faculty of Agriculture and Agronomy and Horticulture Laboratory, Udayana University from November 2022-February 2023. The application of fertilizer had an effect and a concentration of 50 ml/l was the best concentration which gave the highest yield which increased plant height 29 dap 139% (19.48 cm), number of leaves 29 dap 358.06% (35.50 strands), leaf area 875.30% ( 39.50 cm2), root length 154.39% (26.33 cm), fresh weight of plant tops 407.83% (26.56 g), oven dry weight of tops of plants 493.54% (3, 68 g), root fresh weight 389.7% (12.83 g), root oven dry weight 103.22% (1.26 g), root shoot ratio 168.31% (2.71) and leaf chlorophyll content 220 .85% (25.38 units) compared to control (8.15 cm, 7.75 strands, 4.05 cm2, 10.35 cm, 5.23 g, 0.62 g, 2, 62 g, 0.62 g, 1.01 and 7.91 units).

Identifikasi Karakter Morfologi dan Analisis Kandungan Nutrisi Buah Pisang Susu, Kepok, dan Raja Lokal Bali Liran, I Gusti Putu Oka Maha Putra Wardana; Rai, I Nyoman; Mayadewi, Ni Nyoman Ari
Agrotrop : Journal on Agriculture Science Vol 14 No 1 (2024)
Publisher : Fakultas Pertanian Universitas Udayana

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Identificaion of Morphological Characters and Fruits Nutrient Analysis of Pisang Susu, Kepok, and Raja Lokal Bali. Banana (Musa sp.) is one of the germplasms which is distributed in tropical and sub-tropical areas. Various types of bananas exist, causing differences in character between each cultivar. This research was carried out in July - October 2022. The location for sampling bananas was in Banjar Soka, Antap Village, Selemadeg Barat District, Tabanan Regency, while morphological identification and analysis of nutrient content were carried out at Laboratory. This study used UPGMA analysis and a completely randomized design (CRD) with three replications. Identification of morphological characters revealed differences in the qualitative characters of the shape of fruit, shape of the tip of fruit, rest of the flower relics, colour of the peel before and after ripening, cracking of the peel, surface of the peels, colour of pulp before and after ripening shape of the seeds, finger length, finger stalk length, finger stalk width and fruit peel thickness. The nutritional content of the fruit flesh is different in crude fat and crude fibre.

Aplikasi Sistem Informasi Geografis dan Penginderaan Jauh Untuk Analisis Potensi dan Kerentanan Longsor di Kecamatan Kintamani, Bangli Ardana, Made Putra Eka; Diara, I Wayan; Narka, I Wayan
Agrotrop : Journal on Agriculture Science Vol 14 No 1 (2024)
Publisher : Fakultas Pertanian Universitas Udayana

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Application of Geographic Information System and Remote Sensing for the Analysis of Landslide Potention and Vulnerability in Kintamani District, Bangli Regency. Kintamani District is an area that is prone to disasters; this is because of its geographical conditions which are located in the highlands and mountains with steep slopes. Research in this area is important to provide information on landslides for the public and government. The objective of this research is to determine the potential and landslide vulnerability. Delineating the potential for landslides used integration of remote sensing data and Geographic Information System (GIS) through the scoring method by overlaying the thematic that causes landslides (zones of susceptibility to soil movement, rainfall, land use, slope and soil type). The determination of landslide vulnerability is carried out by overlaying the landslide potential map with the settlement and road map. The results showed that Kintamani District has four landslide potential classes, namely the non-potential class which is a water area (Batur Lake) covering an area of 1616.13 ha, a low potential of 9350.61 ha, a medium potential of 15021.89 ha and a high potential of 10558.62 ha. The level of vulnerability to landslides in settlements consists of three classes, namely a low vulnerability class covering 1041.49 ha, a medium vulnerability area of 811.36 ha and a high vulnerability area of 174.52 ha. The level of vulnerability to landslides on the 307.16 km road network consists of two types of roads, namely primary collector roads and local roads. There are 23 distribution points of landslides found in research locations spread across Belancan, Kintamani, Bantang, Dausa, Sukawana, South Batur, Central Batur, Abangsongan, Abang Batudinding, and Trunyan Villages.

Pengaruh Pemberian Dosis Pupuk Za terhadap Pertumbuhan Awal Tanaman Tebu (Saccharum officinarum) Varietas PS 80-148 Supandji, Supandji; Muharram, Muhammad; Agusty, Virgian Galuh; Yuliana, Luluk
Agrotrop : Journal on Agriculture Science Vol 14 No 1 (2024)
Publisher : Fakultas Pertanian Universitas Udayana

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The Effect of Dosage of Za Fertilizer on The Initial Growth of Sugarcane (Saccharum officinarum) Variety PS 80-148. Sugarcane is one of the important ingredients in the process of making sugar in Indonesia. The initial growth of sugarcane plants is the beginning and subsequent development, therefore by providing fertilizers that match the needs of the plants can increase the productivity of sugarcane plants. In sugarcane cultivation, ZA is the fertilizer that must be applied because it does not have an impact on reducing sugar levels (yield), in contrast to just giving urea fertilizer. The purpose of this study was to determine the effect of ZA dosing on the early growth of sugarcane plants. This research was carried out in the field using a randomized block design (RBD) consisting of one factor repeated four times. ZA fertilizer dose treatment factor: B0 = Without giving ZA, B1 = Giving a dose of 150 Kg ZA / Ha, B2 = Giving a dose of 300 Kg ZA / Ha, B3 = Giving a dose of 450 Kg ZA / Ha, B4 = Giving a dose of 600 Kg ZA / Ha, and B5 = Giving a dose of 750 Kg ZA / Ha. ZA fertilizer dose of 600 kg / ha showed the best treatment for the percentage of shoot growth, which was 76.25%, plant height was 53.00 cm, number of leaves was 14.12 strands. Then the dose of ZA fertilizer 600 kg / ha showed the best treatment for the number of tillers, namely 7.43 stems, stem diameter of 15.82 cm.

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Contact Name
-

Contact Email
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Phone
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Journal Mail Official
-

Editorial Address
-

Location
Kota denpasar,

Bali

INDONESIA