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INDONESIA
Jurnal Matematika Sains dan Teknologi
Published by Universitas Terbuka
ISSN : 14111934     EISSN : 24429147     DOI : -
Core Subject : Education, Agriculture,
Agriculture, Biological Sciences & Forestry Mathematics Other
Merupakan media informasi dan komunikasi para praktisi, peneliti, dan akademisi yang berkecimpung dan menaruh minat serta perhatian pada pengembangan Matematika, ilmu pengetahuan dan teknologi. Diterbitkan oleh Lembaga Penelitian dan Pengabdian kepada Masyarakat, Universitas Terbuka.
Arjuna Subject : -
Articles 403 Documents
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PERTUMBUHAN TANAMAN PAKCOY SETELAH PEMBERIAN PUPUK URIN KELINCI Rosdiana, Rosdiana
Jurnal Matematika Sains dan Teknologi Vol 16 No 1 (2015)
Publisher : LPPM Universitas Terbuka

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This paper discusses growth respond of Brassica rapa with hydroponic wick system by giving many kinds of dosages of fertilizer from rabbit urine. There were five dosages of rabbit urine which were 3 ml/l, 6 ml/l, 9 ml/l, 12 ml/l, 15 m/ll. Each dosage was applied to four kinds of plants and repeated five times. The total number of trials was 100. The plant height, leaves lenght and widht, leaves quantity, wet weight and consumed weight were measured. The five kinds of dosages did not show significant difference between all variables. Mathematically, the 12 ml/l dosage gave the biggest growth to plant height, leaves quantity, leaves length, leaves width.wet weight, and consumed weight. The smallest size of impact to all variables was for 3 ml/l dosages. Artikel ini membahas respon pertumbuhan dan produksi tanaman pakcoy (Brassica rapa) secara hidroponik sistem wick dengan pemberian berbagai dosis pupuk organik urin kelinci. Penelitian dilaksanakan selama tiga bulan dimulai pada bulan Mei sampai Juli 2014. Rancangan percobaan yang digunakan dalam penelitian ini adalah Rancangan Kelompok Lengkap Teracak (RKLT) yang terdiri atas lima perlakuan dosis pupuk organik cair urin kelinci, yaitu 3 ml/l, 6 ml/l, 9 ml/l, 12 ml/l, 15 ml/l. Tiap perlakuan terdiri atas empat tanaman dan diulang sebanyak lima kali, sehingga jumlah total ujicoba pada suatu lahan adalahsebanyak 100 tanaman. Pengamatan dilakukan pada peubah tinggi tanaman, panjang daun, lebar daun, jumlah daun, bobot basah dan bobot konsumsi. Berbagai dosis pupuk organik cair urin kelinci tidak memberikan pengaruh yang nyata pada terhadap parameter tinggi tanaman, jumlah daun, panjang daun, lebar daun, bobot basah dan bobot konsumsi. Perlakuan dosis pupuk organik cair urin kelinci 12 ml/l memberikan hasil tertinggi untuk tinggi tanaman, jumlah daun, panjang daun, lebar daun, bobot basah, dan bobot konsumsi. Dosis pupuk organik cair urin kelinci 3 ml/l memberikan hasil yang terendah pada semua peubah.
Pertumbuhan Awal Ayam Merawang yang Dipelihara bersama Ayam Broiler Putri Koes Hardini, Sri Yunianti
Jurnal Matematika Sains dan Teknologi Vol 5 No 1 (2004)
Publisher : LPPM Universitas Terbuka

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Kampong chickens have a lot of varieties spreading out all over Indonesia, and becoming everybody’s favourites, however, it has low productivity. Meanwhile, broiler chickens who have high productivity has certain level of immunity to a desease. Chickens have a nature of immitation. From this, a research has been developed to increase the productivity of kampong chickens in term of the increase of their body weigh by comparison of M7B3 (kampong chickens 7 and broiler 3), M5B5 (kampong 5 and broiler 5), M3B7 (kampong 3 and broiler 7) and kampong control M10, and broiler control B10. From this mixture, we can see their eating behavior that has on impact upon the kampong chickens’body weight from those that are DOC to those that are 6 weeks. Infact, this mixture does not make their growth (the increase of their weight) defferent. However, M3B7 shows good combination and the increase of their weight on the part of kampong chickens on average. This result may be caused by the narrow combination of the mixture. Heig mortality is experienced by the broiler chickens when they attacked by Berak Kapur desease. This proves that Kampong chickens’ immunity is better than that of broiler chickens.  
PARTISIPASI ANGGOTA KELOMPOK TANI DALAM MENGANALISIS DATA KEADAAN PADA USAHATANI SAYURAN (Kelompok tani sayuran di Desa Margamekar, Kecamatan Pangalengan, Kabupaten Bandung) Yani, Diarsi Eka; Pertiwi, Pepi Rospina; Sigit, Argadatta
Jurnal Matematika Sains dan Teknologi Vol 14 No 1 (2013)
Publisher : LPPM Universitas Terbuka

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The article aims to explain (1) the internal and external members of farmer groups in vegetables farm, (2) members of the farmer's participation in analyzing the situation, and (3) the relationship between the internal and external characteristics of members in farmer groups and the participation of members in analyzing the state. Data was collected by survey method. The samples size was 70% of the entire group of vegetables farmers. The data was analyzed by using descriptive and inferential Spearman Rank correlation test at 5% confidence level. Participation of members of farmer groups in analyzing the state of the data includes providing data members, observe and take advantage of the data members of the group, and analyze the data members of the group. Results showed that majority of the members participated in providing biophysical data, human resource data, particularly with regard to extension, as well as data nonagricultural institutions. The components of internal characteristics that significantly correlated with the participation of members in analyzing the data situation were formal education, farming experiences, and involvement of members in the group. The components of the external characteristics had no relationship with the participation of members in analyzing the state of data. Salah satu tahapan dalam perencanaan programa penyuluhan pertanian adalah analisis data keadaan yang biasanya dilakukan penyuluh bersama anggota kelompok tani binaannya. Penelitian ini bertujuan untuk mengetahui (1) faktor internal dan eksternal anggota kelompok tani dalam berusahatani sayuran, (2) partisipasi anggota kelompok tani dalam menganalisis keadaan, dan (3) hubungan antara karakteristik internal dan eksternal anggota kelompok tani dengan partisipasi anggota dalam menganalis keadaan. Data dikumpulkan dengan metode survey. Sampel dipilih secara acak sebanyak 70% dari seluruh anggota kelompok tani sayuran. Analisis data dilakukan secara deskriptif dan inferensial menggunakan uji korelasi Rank Spearman. Bentuk partisipasi anggota kelompok tani dalam menganalisis data keadaan meliputi kegiatan memberikan data anggota, mengamati dan memanfaatkan data anggota kelompok, serta menganalisis data anggota kelompok. Hasil penelitian menunjukkan bahwa sebagian besar anggota kelompok berpartisipasi dalam memberikan data biofisik, data sumber daya manusia, terutama yang berkaitan dengan penyuluh, serta data kelembagaan nonpertanian. Komponen karakteristik internal yang berhubungan nyata dengan partisipasi anggota dalam menganalisis data keadaan adalah pendidikan formal, pengalaman usahatani, dan keterlibatan anggota dalam kelompok. Komponen karakteristik eksternal tidak ada yang berhubungan nyata dengan partisipasi anggota dalam menganalisis data keadaan.
TINGKAT KEBERHASILAN PENANAMAN POHON MANGROVE (KASUS: PESISIR PULAU UNTUNG JAWA KEPULAUAN SERIBU) Winata, Adi; Yuliana, Ernik
Jurnal Matematika Sains dan Teknologi Vol 17 No 1 (2016)
Publisher : LPPM Universitas Terbuka

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Increased land demand for human life tends to lead the most transitional allotment of land conservation in the coastal zone into settlements, ports, aquaculture, and other means of livelihood. Including mangrove ecosystem in the coastal region of Kepulauan Seribu (Thousand Islands). The purpose of study was to measure the success rates of mangrove trees planting and the growth rates of mangrove trees. The design of the study was exploratory research using a quantitative approach. The population were the mangrove trees planted under the Community Services Program of Universitas Terbuka held on October 28th 2013. The planted mangrove species was Rhizophora mucronata. The sample was selected from several land areas with 3 x 3 m survey plots available in 10 locations on the Untung Jawa Island. The study used both primary and secondary data. Data were collected using a survey method, and presented both in the form of frequencies and descriptions, and then analyzed descriptively. The primary data covered the number of mangrove trees, mangrove tree height, the number of leaves, leaf length, and leaf width. The results indicated that the success rate of mangrove tress planting reached 72%. This indicates that Rhizophora mucronata had fairly wide range of habitats, hence it is easy to live in the research location. Overall, the growth rate of mangrove trees showed good results, in terms of tree height, the number of leaves, leaf length and leaf width. Meningkatnya kebutuhan akan lahan untuk kehidupan manusia, mengakibatkan banyaknya peralihan peruntukan lahan konservasi di kawasan pesisir menjadi permukiman, pelabuhan, pertambakan, dan sarana kehidupan lainnya. Tidak terkecuali ekosistem mangrove di wilayah pesisir kepulauan Seribu. Tujuan khusus penelitian adalah mengukur tingkat keberhasilan penanaman pohon mangrove dan tingkat pertumbuhan pohon mangrove. Rancangan penelitian adalah exploratory research dengan pendekatan kuantitatif. Populasi penelitian adalah semua pohon mangrove yang ditanam pada saat Program Pengabdian kepada Masyarakat Universitas Terbuka pada tanggal 28 Oktober 2013. Jenis mangrove yang ditanam adalah Rhizophora mucronata. Penentuan sampel pohon mangrove diambil dari beberapa luasan lahan dengan membuat plot-plot survei di 10 lokasi di Pulau Untung Jawa Setiap plot berukuran 3 x 3 m. Data yang dikumpulkan pada penelitian ini adalah data primer yaitu jumlah pohon yang hidup, tinggi pohon, jumlah daun, panjang daun, dan lebar daun. Pengumpulan data menggunakan metode survei. Data primer yang diperoleh dari survei lapangan disajikan dalam bentuk tabel frekuensi dan uraian. Selanjutnya, data diolah dan dianalisis secara deskriptif. Hasil penelitian menunjukkan bahwa tingkat keberhasilan penanaman pohon mangrove mencapai 72%. Hal ini menunjukkan bahwa pohon bakau (Rhizophora mucronata) adalah jenis mangrove yang mudah hidup pada range habitat yang cukup luas. Secara keseluruhan, tingkat pertumbuhan pohon mangrove menunjukkan hasil yang baik, dari sisi tinggi pohon, jumlah daun, panjang daun, dan lebar daun.  
PERHITUNGAN INTEGRAL FUNGSI REAL MENGGUNAKAN TEKNIK RESIDU Warsito, Warsito
Jurnal Matematika Sains dan Teknologi Vol 8 No 1 (2007)
Publisher : LPPM Universitas Terbuka

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KANDUNGAN KLOROFIL, KAROTENOID, DAN VITAMIN C BEBERAPA JENIS SAYURAN DAUN PADA PERTANIAN PERIURBAN DI KOTA SURABAYA Iriyani, Dwi; Nugrahani, Pangesti
Jurnal Matematika Sains dan Teknologi Vol 15 No 2 (2014)
Publisher : LPPM Universitas Terbuka

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Periurban agriculture actually means agriculture that is found surrounding urban boundary. Due to heavy load for various non-agricultural activity and transportation, it necessary to pay attention on the agro-ecological conditions where each crop could grows well. The quality of environment for growing plantsin periurban influences on composition of biochemistry in plants’ tissue. The purpose of this study is to determine the chlorophyll, carotenoid, and ascorbic acid contents in three species of vegetables, those are bayam (Amaranthus tricolor, L.), kangkung (Ipomoea reptans) and sawi (Brassica juncea L.) which were cultivated in three periurban agriculture areas of Surabaya. Total contents of chlorophyll and carotenoid was measured by spectrophotometer. Vitamin C contents was analyzed by DCPIP dye method. The results showed that bayam which was cultivated in Bangkingan-Lakarsantri has the highest content of chlorophyll (3.046 mg/g ) and carotenoid (375.33 μmol/L). The highest content (4.55 μg/g) of vitamin C was found on sawi which was cultivated in Wonorejo. There was no significant difference on chlorophyll content, carotenoid content and vitamin C content between organic vegetables labeled and those are cultivated on Bangkingan-Lakarsantri periurban area. Kawasan pertanian periurban merupakan daerah pertanian yang dijumpai di sekitar pinggiran perkotaan. Berkaitan dengan tekanan lingkungan yang berat di kawasan periurban, akibat berbagai kegiatan non pertanian dan transportasi, perlu adanya perhatian terhadap kondisi agro klimat yang mempengaruhi pertumbuhan tanaman. Kualitas lingkungan tempat tumbuh tanaman pada kawasan pertanian periurban berpengaruh terhadap komposisi kandungan biokimia jaringan tanaman. Tujuan penelitian ini adalah untuk menetapkan kadar klorofil, karotenoid, dan vitamin C pada sayuran bayam (Amaranthus tricolor, L.), kangkung (Ipomoea reptans) dan sawi (Brassica juncea L.) yang dibudidayakan di tiga kawasan periurban Kota Surabaya. Kadar klorofil dan karotenoid diukur dengan spectrophotometer, sedangkan kandungan vitamin C ditetapkan dengan metode titrasi DCPIP. Hasil penelitian menunjukkan bahwa sayuran bayam yang dibudidayakan di kawasan Bangkingan-Lakarsantri memiliki kadar klorofil (3.046 mg/g) dan karotenoid (375.33 μmol/L) tertinggi. Kandungan vitamin C tertinggi (4.55 μg/g) terdapat pada sayuran sawi yang dibudidayakan di kawasan Wonorejo. Tidak ada perbedaan nyata pada kadar klorofil, karotenoid dan vitamin C antara sayuran organik dengan sayuran yang dibudidayakan di kawasan periurban Bangkingan-Lakarsantri.
KERAGAAN TINGKAT PENERAPAN METODE SLPTT PADI DI KECAMATAN CIAWI BOGOR Pertiwi, Pepi Rospina; Yani, Diarsi Eka
Jurnal Matematika Sains dan Teknologi Vol 17 No 2 (2016)
Publisher : LPPM Universitas Terbuka

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This research is intended to explain (1) the perception of farmers on the application of rice SLPTT methods, and (2) the level of implementation of rice SLPTTmethod. The study design was descriptive research. The study population were all farmers who were members of paddy farmer groups in the District of Ciawi, who participated in SLPTT. Samples were selected from two groups of SLPTT participants in two villages, each of 20 participants. Data consisted of primary data and secondary data. The perception of farmers on the application of rice PTT was measured on the perception of farmers in terms of the correspondence amongmethods, characteristic of the area, and the message content of innovation. The level of implementation of the rice SLPTT method was measured by the success of the method in delivering innovation, the success of the method of making the farmers applying innovation, and the success of the method in providing benefits to farmers. The results showed that farmers' perception on the suitability of the application of SLPTT methods with the characteristics of the area is quite good, as well as the farmer's perception about the suitability of the application of SLPTT methods with the content of the message is in excellent innovation. The level of implementation of the method is quite effective. Farmers acquire enough knowledge to increase even tend to be greatly increased. In addition, farmers acquire sufficient mastery of skills, take benefits of the increased production and income. Penelitian bertujuan menjelaskan (1) persepsi petani terhadap penerapan metode SLPTT padi, dan (2), tingkat penerapan metode SLPTT padi. Rancangan penelitian adalah descriptive research. Populasi penelitian adalah semua petani yang menjadi anggota kelompok tani padi di wilayah Kecamatan Ciawi, yang menjadi peserta SLPTT. Sampel dipilih dari dua kelompok peserta SLPTT di dua desa, masing-masing  20 orang peserta.  Data yang dikumpulkan terdiri dari data primer dan data sekunder. Persepsi petani tentang penerapan PTT padi yang diukur adalah  persepsi petani tetang kesesuaian metode dengan karakteristik wilayah, dan isi pesan inovasi. Tingkat penerapan metode SLPTT padi diukur dengan keberhasilan metode dalam menyampaikan inovasi, keberhasilan metode dalam menjadikan petani menerapkan inovasi, dan keberhasilan metode dalam memberikan manfaat bagi petani. Hasil penelitian menunjukkan bahwa persepsi petani tentang kesesuaian penerapan metode SLPTT dengan karakteristik wilayah tergolong cukup baik, persepsi petani tentang kesesuaian penerapan metode SLPTT dengan isi pesan inovasi tergolong sangat baik. Tingkat penerapan metode tergolong cukup efektif baik. Petani memperoleh pengetahuan yang cukup meningkat bahkan cenderung sangat meningkat, memperoleh penguasaan keterampilan yang cukup meningkat serta memperoleh manfaat terhadap produksi dan pendapatan yang juga cukup meningkat.
POLA PENGAMBILAN KEPUTUSAN WANITA TANI PADA USAHATANI SAYURAN SENTRA SAYURAN DATARAN TINGGI Diarsi Eka Yani; Pepi Rospina Pertiwi
Jurnal Matematika Sains dan Teknologi Vol. 13 No. 2 (2012)
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This article aims to determine (1) internal and external characteristics associated with decision-making patterns of women farmers in vegetable farming, (2) decision-making patterns of women farmers in vegetable farming, and (3) the relationship between internal and external characteristics of women farmers in decision-making patterns. Data collected by survey methods. Respondents were all members of the group of women vegetables farmers in the village of Mekarbakti, Pangalengan District, Bandung Regency. Data analysis was performed by using descriptive and inferential Spearman Rank correlation test at 5% level of confidence. The results showed that internal characteristics associated with decision-making patterns of women farmers are age, while the external characteristics associated with decision making patterns of women farmers are farming infrastructure. Decision-making in the activities of tillage, fertilizing, pest and disease control, and marketing, were fully performed by the husband. While determining of businesses activities and purchases of farm fascilities were a joint decision between husband and wife, although the husband was more dominant. Activities in seed selecting, planting, replanting, and harvest timing, decision making were done equally between husband and wife. Artikel ini bertujuan untuk menentukan (1) karakteristik internal dan eksternal yang berhubungan dengan pola pengambilan keputusan wanita tani pada usahatani sayuran, (2) pola pengambilan keputusan wanita tani dalam usahatani sayuran, dan (3) hubungan antara karakteristik internal dan eksternal wanita tani dengan pola pengambilan keputusannya. Data dikumpulkan dengan metode survei. Responden adalah seluruh anggota kelompok wanita tani sayuran di Desa Mekarbakti, Kecamatan Pangalengan, Kabupaten Bandung. Analisis data dilakukan secara deskriptif dan inferensial menggunakan uji korelasi Rank Spearman pada taraf kepercayaan 5%. Hasil penelitian menunjukkan bahwa karakteristik internal yang berhubungan dengan pola pengambilan keputusan wanita tani adalah umur, sedangkan karakteristik eksternal yang berhubungan dengan pola pengambilan keputusan wanita tani adalah prasarana usahatani. Pengambilan keputusan untuk kegiatan pengolahan tanah, pemupukan, pengendalian hama penyakit, dan pemasaran, sepenuhnya dilakukan oleh suami. Sedangkan kegiatan penentuan bisnis usahatani dan pembelian saprodi, merupakan keputusan bersama antara suami dan istri, tetapi suami lebih dominan. Adapun kegiatan pemilihan benih, penanaman, penyulaman, dan penetapan waktu panen, pengambilan keputusan dilakukan setara antara suami dan istri.
SUBSTITUSI TEPUNG DAUN MENGKUDU DALAM RANSUM MENINGKATKAN KINERJA AYAM BROILER Wardiny, Tuty Maria; Azwar Sinar, T Eduard; Zainuddin, Desmayati
Jurnal Matematika Sains dan Teknologi Vol 12 No 2 (2011)
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An experiment was conduted to evaluate the effectiveness level of corn substituted by Morinda citrifolia leaf meal in broiler ration. The use of Morinda citrifolia leaf meal substituted for corn in ration is expected to improve feed conversion in broiler chickens and produce chicken meat that safe for consumption and free of chemical antibiotics residues . Completely Randomized Design (CRD) was used to analyze data obtained from this research. One hundred and sixty chicleas (7 days aged) divided into 5 (five) treatments with 4 (four) replications and each replication consisted of 8 (eight) chicleas. Ration of treatments were a negative control diet (R0), 1% Morinda citrifolia leaf meal (R1), 2% Morinda citrifolia leaf meal (R2), 3% Morinda citrifolia leaf meal (R3) and commersial ration (R4). All treatments rations were added a natural feed additive that consist of 0,125% Curcuma and.0,075% Turmeric meal. Measured parameters were feed intake, weight gain, feed conversion ratio, mortality, percentages of carcas and abdominal fat. Results showed that feed consumption, weight gain, and feed conversion ratio were significantly (p <0.05) influenced by treatments. Mortality, percentage of carcas and abdominal fat were not significantly (p >0.05) influenced by ration treatments. Mortality rates in chickens using a ration of treatment was 0%, while using the control diet 0,78% (1 bird). The counclusion showed that the substitution of 1-2% Morinda citrifolia leaf meal in ration has better performance compared to the control diet, with improvement of feed conversion ratio was 7.57 and 9.2% respectively was more efficient than the control diets
PENGOLAHAN LINDI SEBAGAI PUPUK CAIR UNTUK MENDUKUNG PENGEMBANGAN TPA SAMPAH LESTARI Nurhasanah, Nurhasanah; Darusman, Latifah K; Sutjahjo, Surjono Hadi; Lay, Bibiana Widiati
Jurnal Matematika Sains dan Teknologi Vol 11 No 1 (2010)
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A laboratory scale research to obtain environmentally safe effluent and liquid fertilizer from leachate from Final Waste Disposal Site in Galuga owned by Regional Government of Bogor City was conducted from July 2006 through to April 2007. The experiment was initiated by aerating the leachate in 4 difference aeration rates (0, 10, 30 and 70 liters/minute) followed by processing the sediment to product the liquid fertilizer. The experiment of production liquid fertilizer was carried out by adding lime with different dosage into sediment generated from processing by aerating at 70 liters/minute followed by centrifugation process or secher. Further, the liquid fertilizer generated from such experiment was applied to chilis planting (Capsicum annum). The research found that the processing conducted by aerating at the rate 70 liters/minute was the most effective in reducing pollutant from leachate. The addition of 1000 ppm CaO or Ca(OH)2 limes in sediment from aeration is the most effective in depositing the dissolved material compared to the addition of limes in other dosage. Liquid fertilizer generated through the addition of 1000 ppm CaO have the content of N = 375,83 ppm, P = 121,44 ppm, K = 948,11 ppm, Ca = 827,20 ppm, Mg = 959,50 ppm, S = 48,53 ppm, Cu = 8,23 ppm, Zn = 30,02 ppm, Mn = 230,57 ppm, Fe = 320,95 ppm, Pb = 10,34 ppm, Cd = 7,46 ppm and Cr = 2,05 ppm. The use of liquid fertilizer generated by adding 1000 ppm CaO was the most effective in enhancing vegetation growth and production of chili. The non essential elements (Pb, Cd and Cr) in fruits from vegetation given liquid fertilizer produced from such treatment did not exceed tolerable threshold.

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