bluuebunny/crossref_metadata_2025_split huggingface dataset:
Does Eco-Efficiency Improve Financial Performance of Manufacturing Companies in Indonesia?
Authors: Meutia Inten , Ramadhani Marini , Adam Mohamad 
Published: November 2019

This study aims to determine the impact of environmental performance proxied by eco-efficiency on the financial performance of manufacturing companies in Indonesia. İn this study, the multiple linear regression test was used to analyse the data. The sample of this study is manufacturing companies that listed at the Indonesia Stock Exchange from 2012 until 2016 with the total observation is 80 firm-years.The results of this study indicated that the average level of eco-efficiency of the manufacturing companies is still relatively low (0.38). The environmental performance as measured by the eco-efficiency has a positive significant effect on the financial performance of the companies. Therefore, this study suggests that companies can improve their financial performance by enhancing their eco-efficiency level.This study aims to determine the impact of environmental performance proxied by eco-efficiency on the financial performance of manufacturing companies in Indonesia. İn this study, the multiple linear regression test was used to analyse the data. The sample of this study is manufacturing companies that listed at the Indonesia Stock Exchange from 2012 until 2016 with the total observation is 80 firm-years.The results of this study indicated that the average level of eco-efficiency of the manufacturing companies is still relatively low (0.38). The environmental performance as measured by the eco-efficiency has a positive significant effect on the financial performance of the companies. Therefore, this study suggests that companies can improve their financial performance by enhancing their eco-efficiency level.
Inventory of damage to coral reefs ecosystem in waters of Bungkutoko Island, Kendari City and Barrang Lompo Island, Makassar City
Authors: Mosriula Mosriula , Jaya Jaya , Hamsir Muhammad 
Published: November 2019

Coastal areas and sea have the potential biological resources large enough, because supported by three main ecosystem the ecosystem mangrove, seagrass beds and coral reefs. To maintain the existence of the ecosystem, control in coastal areas need to conducted one of them is inventory damage ecosystem especially ecosystem coral reefs. On the island of Bungkutoko lack or information on the coral reefs ecosystem is the island Barrang Lompo in addition the information and data on the ecosystem. The purpose of this research is to get data teachers’ marital status and a condition of damage the ecosystem to coral reefs as a second the island. The research results obtained, a covering of coral reef island Bungkutoko depth 5m and 10m namely 36,47% and 41,67% category ‘being’. The island Barrang Lompo station 1 the depth of 5m and 10m namely 38,67% and 42,53% category ‘being’, station 2 covering 23,27% category ‘broken’. To scattery if coral reefs Bungkutoko island 231.31 ha, the Barrang Lompo island 127.47 ha. The level of damage/index mortalities on the island of Bungkutoko depth 5m and 10m namely 0,5593% and 0,6201% category ‘being’. The island Barrang Lompo station 1 depth 5m and 10m namely 0,6011% and 0,5504% category ‘being’, station 2 the level of damage/index mortalities 0,7326% category ‘high’.
Response of (Capsicum annuum L.) to Trichoderma Enrichment in Planting Medium and Application of Boron Fertilizer
Authors: Dermawan Rahmansyah , Farid B. D. R. Muh. , Ridwan Saleh Ifayanti , Syarifuddin Reni 
Published: November 2019

Penelitian dilaksanakan untuk mengetahui respon beberapa varietas cabai besar (Capsicum annuum L.) terhadap pengayaan Trichoderma pada media tanam dan aplikasi pupuk Boron. Penelitian berlangsung dari bulan Juni-September 2017 di Kebun Percobaan Fakultas Pertanian Universitas Hasanuddin, Makassar dan dilaksanakan dalam bentuk percobaan Rancangan Petak Terpisah dalam rancangan acak kelompok faktorial dengan 2 faktor. Percobaan diatur dengan varietas cabai besar sebagai petak utama yaitu varietas Karina (V1), varietas Tombak (V2), dan varietas Panex 100 F1(V3) sedangkan kombinasi cendawan Trichoderma dan pemupukan Boron sebagai anak petak terdiri atas 6 kombinasi perlakuan. Penelitian menunjukkan interaksi yang nyata antara perlakuan varietas dan Trichoderma-Boron pada parameter tinggi tanaman dan terdapat pengaruh nyata dari perlakuan varietas terhadap jumlah cabang produktif dan jumlah buah per tanaman. Pengaruh nyata dari perlakuan Trichoderma-Boron ditunjukkan pada parameter panjang buah per tanaman umur 100 HST. Interaksi yang memberikan hasil terbaik yaitu pada perlakuan Trichoderma asperellum 4 g tan-1 dan varietas Panex 100 F1 pada tinggi tanaman yaitu 47.77 cm. Perlakuan varietas memberikan hasil terbaik pada varietas Karina dan perlakuan kombinasi Trichoderma-Boron memberikan hasil terbaik pada perlakuan Trichoderma asperellum 4 g tan-1 + Boron 1 mg L-1.
Kata kunci: Capsicum annuum L., mikroba, pupuk boron, varietas
Yield Stability and Disease Incident on Six Tomato Genotypes Under Shading
Authors: Ulinnuha Zulfa , Chozin Muhamad Achmad , Santosa Edi 
Published: November 2019

Tomat sering ditanam sebagai sayuran pada sistem agroforestri, namun ada keluhan petani terkait fluktuasi produksi buah yang dihasilkan pada sistem tersebut. Oleh karena itu, produksi enam genotipe tomat dibandingkan antara naungan 0% dan 50% menggunakan rancangan acak kelompok tersarang dengan tingkat naungan sebagai petak utama pada Desember 2016 sampai Maret 2017 di Kebun Percobaan Cikarawang IPB, Bogor. Penelitian bertujuan untuk mengkaji stabilitas produksi beberapa genotipe tomat dan mengetahui faktor yang mempengaruhinya pada kondisi naungan. Hasil penelitian menunjukkan bahwa naungan mempengaruhi hasil dan insiden penyakit pada tanaman tomat. Siklus panen tidak berbeda antara kontrol dengan naungan 50%. Rata-rata jumlah buah 15-60% lebih tinggi di bawah naungan 50% kecuali genotipe Apel Belgia dan Tora yang cenderung menurun. Insiden penyakit virus gemini berkurang 80% dan tingkat keparahannya menurun sebesar 70% pada naungan 50%. Namun demikian, bobot hasil per panen seluruh genotipe tomat pada naungan 50% menurun sebesar 24.1% yang disebabkan oleh kecenderungan penurunan ukuran buah. Penelitian menunjukkan bahwa stabilitas produksi tomat di bawah naungan dipengaruhi oleh genotipe dan kejadian penyakit. Perlu evaluasi lanjut mengapa kejadian penyakit lebih rendah pada naungan 50%.
Kata kunci: agroforestri, anthosianin, serangan penyakit, Solanum lycopersicum, virus gemini
Performance and Poduction of G2 Potato Tuber Seeds Using Diference Seed Sources
Authors: Azhari Andi , Maharijaya Awang , Sobir  
Published: November 2019

Produksi benih G2 kentang (Solanum tuberosum L.) menggunakan umbi dan setek dari dua varietas lokal dilakukan untuk mengetahui keragaan dan produksinya di Lapangan. Saat ini di Indonesia, setek kentang digunakan secara terbatas untuk produksi umbi G0 dan G1 pada kondisi terkontrol (rumah kaca atau rumah kasa). Rancangan Kelompok Lengkap Teracak (RKLT) faktorial digunakan pada penelitian ini dengan varietas (RGH01 dan Medians) dan sumber benih (umbi (G0) dan setek) sebagai faktor dan lima ulangan. Data dianalisis dengan sidik ragam yang kemudian dilanjutkan dengan uji Duncan. Tanaman kentang yang ditanam dengan sumber benih setek menghasilkan jumlah daun dan cabang yang lebih banyak pada kedua varietas. Namun, tidak berbeda nyata pada peubah tinggi tanaman. Jumlah umbi per tanaman menunjukkan hasil tidak berbeda nyata pada seluruh kombinasi perlakuan dengan 5.2 hingga 5.9 umbi per tanaman. Produktivitas umbi yang lebih besar dihasilkan oleh tanaman kentang dengan sumber benih umbi pada kedua varietas. Persentase umbi kelas S (<40 g) yang lebih besar diperoleh dari tanaman kentang dengan sumber benih setek sebesar 82.0% (Medians) dan 94.1% (RGH01).
Kata kunci: perbanyakan benih, perbanyakan kentang, setek, Solanum tuberosum L., umbi
Competitiveness and the Factors Affecting Indonesian Pineapple Exports
Authors: Rachma Safitri Viola , Kartiasih Fitri 
Published: November 2019

Penelitian ini bertujuan untuk mengetahui gambaran umum produksi dan ekspor nanas di Indonesia, menganalisis daya saing nanas Indonesia di tujuh negara tujuan ekspor utama, dan menganalisis faktor faktor yang mepengaruhi ekspor nanas Indonesia di negara tujuan ekspor utama nanas tahun 2001-2014. Metode yang digunakan dalam penelitian ini adalah Revealed Comparative Advantage (RCA), Indeks Spesialisasi Perdagangan (ISP), Intra Industry Trade (IIT), dan regresi data panel. Hasil penelitian ini menunjukkan bahwa tingginya produksi nanas Indonesia belum diimbangi dengan peningkatan volume ekspor nanas. Indeks RCA menunjukkan bahwa Indonesia lebih unggul dibandingkan Filipina di beberapa negara seperti Belanda, Jerman, Singapura, Spanyol, dan Argentina untuk komoditi nanas. Indeks ISP dan IIT menunjukkan bahwa Indonesia memiliki kecenderungan sebagai negara eksportir. Variabel indeks daya saing, nilai tukar riil rupiah terhadap mata uang negara tujuan, pendapatan per kapita negara tujuan, serta jumlah produksi nanas Indonesia memiliki pengaruh positif terhadap pertumbuhan volume ekspor nanas di ketujuh negara tujuan ekspor utama sedangkan harga ekspor riil nanas memiliki pengaruh yang negatif terhadap volume ekspor nanas di ketujuh negara tujuan ekspor utama.
Kata Kunci: data panel, daya saing, ekspor nanas, RCA
Reduction of Urea Fertilizer Uses through Application of Livestock Manures in An Integrated Farming of Maize and Cattle
Authors: Suwarto Suwarto 
Published: November 2019

Crops and livestock have historically been grown together in an integrated farming; this system facilitates sharing of nutrient and land resources, and benefiting both operations. The current study examined integrated farming of maize and cattle in Waleran Village, East Java, Indonesia. In maize cultivation, the farmers apply 10 ton of the manure, 300 kg Urea (46% N) and 300 kg NPK Phoska (N:P2O5:K2O = 15%:15%:15%) per hectare. However, more nitrogen had actually been applied when manure is added, increasing the amount of nitrogen by 180 kg N.ha-1 which consequently a waste. Therefore, more efficient application of nitrogen in maize production needs to be studied. A field experiment was conducted from November 2017 to March 2018 using maize “Pioneer 32”. The study was organised in a completely randomized block design consists of 10 m x 10 m plots and four replications. The crops were fertilized with nitrogen at 46, 91, 137 and 183 kg.ha-1. Two seeds of maize were planted per hole with planting distance of 70 cm between rows and 40 cm within row. Plant growth were measured weekly at four to eight weeks after planting; yield variables were measured at harvest. The increasing nitrogen levels did not significantly influence the maize growth or yield. The manure contributed about 114 kg.ha-1nitrogen supply. The lowest total nitrogen fertilizer applied (159 kg.N ha-1) resulted in the optimum leaf area index (4.65) and leaf nutrient content of N (2.70%) and P (0.26%) which is above to the critical leaf nutrient content with maize grain yield of 6.19 ton ha-1. The manure in integrated farming could reduce the use of Urea due nitrogen contribution from the livestock manures. Keywords: maize growth, nitrogen levels, leaf area index, leaf nutrient content
Somatic Embryogenesis of Melon (Cucumis melo L.) As Affected by Culture Media and Composition of Plant Growth Regulators
Authors: Furqoni Hafith , Efendi Darda 
Published: November 2019

Conventional production of melon hybrid seeds requires a long time. Propagation through plant tissue culture can be an alternative method to produce hybrid melon seedlings in order to fulfill the high demand for uniform seedlings. Our current study was aimed to determine the type of propagation media and the best concentration of picloram for the induction of somatic embryogenesis in melon from young seed explants. The study was expanded to examine the effective concentrations of two of auxins, 2-4 D and NAA, combined with BAP to induce somatic embryogenesis in melon using hypocotyl explants. The experiment was conducted at Plant Tissue Culture Laboratory, Department of Agronomy and Horticulture, Faculty of Agriculture, Bogor Agricultural University. The experiment was arranged in a randomized complete block design with three replications. The first experiment tested three types of planting media (MS, B5, and WPM) and four levels of picloram concentration (0, 0.5, 1.0, 1.5 mg.L-1). The second experiment tested auxin (2,4-D and NAA) concentrations of 0, 1, 2, 3, 4, 5 mg.L-1 and two BAP concentrations, 0 and 1 mg.L-1. The first study showed that no somatic embryos were formed with the media types and picloram concentration tested; the seeds, however, germinated and formed callus. In the second study, there was an interaction between concentration levels of auxin (2,4-D and NAA) and BAP on induction of somatic embryos using hypocotyl explants. Somatic embryo formation can be induced with treatment of 1 mg.L-1 NAA + 0.1 mg.L-1 BAP and 2 mg.L-1 NAA + 0.1 mg.L-1 BAP. The highest yield of embryos formation was with the treatment of 1 mg.L-1 NAA + 0.1 mg.L-1 BAP at 0.53 embryos per explant. Keywords: embryogenesis, tissue culture media, melon, Picloram, 2,4 D, BAP
Nitrogen Use Efficiency of Local and National Aromatic Rice Varieties in Indonesia
Authors: Chairunnisak Chairunnisak , Sugiyanta Sugiyanta , Santosa Edi 
Published: November 2019

Nitrogen use efficiency (NUE) is a necessitate in order to enhance sustainable rice farming in Indonesia. Thus, objective of present research was to evaluate NUE of local and national Indonesian superior aromatic rice treated with different levels of nitrogen fertilizer (N). Planting plot was arranged using five levels of N as the main plot, i.e; 0, 45, 90, 135 and 180 kg ha-1; and two rice varieties as subplot, i.e: Sigupai Abdya (local) and Inpari 23 Bantul (national). The results showed application 180 kg N ha-1 to Sigupai Abdya significantly increased the plant height. However, it also postponed the flowering time. Inpari 23 Bantul treated with 180 kg N ha-1 produced the highest number of tillers. Combination of 90 kg N ha-1 with Sigupai Abdya variety significantly reduced the number of empty grains. Sigupai Abdya variety has a higher number of grains per panicle and sampling plot yield than Inpari 23 Bantul, and dosage 90 kg N ha-1 increases grain yield per clump also sampling plot yield significantly. Nitrogen at 180 kg N ha-1 made Sigupai Abdya variety has high N content and absorption N in primordia phase, and the Inpari 23 Bantul variety had grain with high N content. Nitrogen at 90 kg ha-1 caused Sigupai Abdya variety at primordia phase had NUE higher than Inpari 23 Bantul. This study showed that local variety Sigupai Abdya is suitable for development as rice with low input NKeywords: Aceh aromatic, low input, nitrogen dose, N uptake, Oryza sativa L.
The Role of Biomulch Arachis pintoi In Increasing Soil Infiltration Rate on Sloping Land of Oil Palm Plantation
Authors: Sarjono Arif , Guntoro Dwi , Supijatno Supijatno 
Published: November 2019

The slope of land in oil palm plantation areas is the one of the primary causes of low soil water content due to low rates of soil infiltration. Biomulch is one of the conservation methods that can be used to cover and shield the soil from weeds, prevent soil erosion, and increase the rate of soil infiltration. Arachis pintoi is a perennial, stoloniferous legume crop that has potentials to be used as biomulch. The objective of the research was to study the role of Arachis pintoi in increasing the rate of soil infiltration on a sloping land of oil palm plantation. The research was conducted on the slope land (22.8%) of the Bukit Kemuning Farmer Group, Mersam, Batanghari, Jambi, Indonesia (01036'21", 102057'11") from September 2017 to March 2018. The environmental design used in this study was a one-factor randomized block design (RBD) with five ground cover treatments, i.e. natural vegetation, Arachis pintoi, Centrosema pubescens, Pueraria javanica and Calopogonium mucunoides. The results showed that the average growth rate of A. pintoi was 2.47 cm per week, which was lower than the growth of other treatments. The root length of A. pintoi was 50.36 cm at 20 weeks after planting. A. pintoi can be used as biomulch; sloping land planted with A. pintoi had an infiltration rate of 49.30 cm per hour at 20 week after planting, i.e. an increase of 32.47% compared to the infiltration rate with the natural vegetation.Keywords: land cover crop, Centrosema pubescens, Pueraria javanica, Calopogonium mucunoides
Diversity of Functional Soil Microbes in Manures and Its Effect on Organic Mustard Green (Brassica juncea) Production
Authors: Kurniawati Ari , Melati Maya , Aziz Sandra Arifin , Purwono Purwono 
Published: November 2019

The application of organic fertilizer, especially manures, for crop production has long-term effects for soil nutrients availability and improvement of soil structure. The improvement of soil properties involves interactions of various types of microorganism in the soil. The research aimed to study the effects of different types of manures on the diversity of functional soil microbes and its effects on organic green mustard production. The experiment was conducted at IPB organic research field, Cikarawang, Darmaga,
Bogor, from April to June 2015. The experiment used a randomized complete block design with two factors; the first factor was types of manure, i.e. chicken, cow, and goat manures; the second factor was manure rates, i.e. 0 and 10 ton.ha-1, so there were six treatments in total, replicated three times.
The results showed that chicken manure application resulted in a higher mustard green yield and soil-P content than application of goat manure. The addition 10 ton.ha-1 of manures increased C-organic,
N, K, and C/N ratio in soil significantly, but mustard green production was not affected. The diversity of microbe population of the soil treated with all types of manures was high. The addition 10 ton.ha-1 of manures decreased the total number of microbes, but increased the number of cellulose-degrading microbes. The population of cellulose-degrading and phosphate-solubilizing microbes in the soil applied with cow manure was higher than those applied with the other manures.
Morphological Traits of Maluku Native Forest Clove (Syzygium aromaticum L. Merr & Perry)
Authors: Mahulette Asri Subkhan , Hariyadi Hariyadi , Yahya Sudirman , Wachjar Ade , Alfian Anggra 
Published: November 2019

A study was conducted to study the morphology of the forest cloves groups based on their sizes of their leaves, flowers, fruits and seeds, and to determine their potential yield and optimize their production system. The research was conducted for six months from January until June 2018 in Ambon, Maluku Province, Indonesia. The research used a random sampling technique to > 15-year-old trees in productive clove forest maintained by the local farmer in Ambon. The observation and recording was conducted at several stages of clover growth, namely bud sprouting, flower bud, blooming, perianths and anthers senescence, unripe green and ripe fruits. Different size groups of forest cloves have significant differences in the duration of flower and fruit formation. Forest cloves with large leaves, flowers, fruits and seeds had quicker ripening process than the othersize groups, but their fruits were longer to ripen. Flower from the medium size group had the shortest duration to develop its flower and form its fruit, whereas the smallest type took the longest time in fruit formation process but the duration of fruit ripening was similar to those from large morphology. Among the three different sizes of forest cloves in Maluku, the trees with large leaves, flowers, fruits and seeds group are the best to be commercially developed due to its earliest time to harvest and large flower sizes. Forest cloves are best harvested when the flowers are fully matured, indicated by one or two flower buds from one inflorescence have bloomed.
Growth and Yield of Kalimantan Landrace Rice and “IPB 8G” as Affected by Dose and Time of Application of Nitrogen Fertilizer
Authors: Faisal Faisal , Lubis Iskandar , Junaedi Ahmad , Sugiyanta Sugiyanta 
Published: November 2019

The study aimed to determine the effect of nitrogen fertilizer dose and the frequency of application on the growth and production of landrace rice Kalimantan and a new rice cultivar "IPB 8G". The study was conducted in December 2017 until June 2018 at the Sawah Baru Experimental Field, Bogor Agricultural University, West Java, Indonesia. The experimental design was a split-split plot consisting of three treatment factors, i.e. rice cultivars (main plots), fertilization time (sub-plots) and fertilizing doses (sub-plots). The three rice cultivars used in this trial were local cultivars "Mayas" and "Samarinda", and a newly developed rice cultivar "IPB 8G". The application rates of Nitrogen were 0, 75, and 150 kg N.ha-1 applied at different phases of rice growth: 50% N dose was applied at planting, 25% N dose at the vegetative phase, and 25% at the primordial phase. The different rates of N fertilizer were applied four times, 40% at planting, 20% during the vegetative phase, 20% at the primordial phase, and 20% at heading. Each treatment consisted of three replications totalling 54 experimental units. The N fertilizer application gave a significant effect on all growth parameters except for the harvest index. Time of fertilization significantly affected rice panicle number per hill and harvest index. There were significant differences in the growth of the three rice cultivars, except for the number of tillers. Rice crops fertilized three times with a dose of 75 kg N.ha-1 had the highest number of tillers at 5 week after planting, but it was not significantly different from N at 150 kg.ha-1. The highest grain yield of 2.9 t.ha-1 was obtained from "IPB 8G" cultivar fertilized with 75 kg.ha-1 of nitrogen.
Potassium Sources and Rates for Drip Irrigated Polyethylene Mulched Chilli Pepper
Authors: Hamdani Kiki Kusyaeri , Susila Anas Dinurrohman , Purwono Purwono , Suketi Ketty 
Published: November 2019

Fertigation with drip irrigation is one of the technologies to solve fertilization and irrigation problems in chilli pepper production using polyethylene mulch. Potassium (K) is one of the important macro nutrients that affect plant growth and development due to its roles in the biochemical and the biophysical processes in plants. The objective of this study was to determine the best sources and the optimum rates of potassium for drip irrigated polyethylene mulched chilli pepper field production. The study was conducted in January until July 2018 at Tajur Experimental Farm, Center for Tropical Horticulture Study, Bogor Agricultural University. The experimental design was a split plot with the K sources (KCl, ZK, NPK) as main plots and K rates that consisted of five levels (0, 68, 136, 204, 272 kg K2O. ha-1) as sub-plots. The results showed that the best optimum rate of K to produce fruit is 101.11 kg K2O.ha-1 with a maximum yield of 2.26 t.ha-1. Chilli crops fertilized with NPK and KCl had the greatest fruit weight per plant, fruit weight per plot, and fruit weight per hectare.