Articles
<![CDATA[Evaluasi Ruang Terbuka Hijau di Kota Pekanbaru ]]>
<![CDATA[Aini, Lis Noer]]>;
<![CDATA[Isnawan, Bambang Heri]]>;
<![CDATA[Saleh, Endri Ridwan]]>
<![CDATA[ PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 3, No 1 (2015) ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Yogyakarta ]]>
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DOI: 10.18196/pt.2015.038.41-51
<![CDATA[The research was conducted to evaluate the availability of open green area in Pekanbaru  and to make the landscape model of green open area. This evaluation was needed to improve the functional and aesthetic value of green open area in Pakanbaru. The green areas were the main street of ring road, city park and forest. The research was carried out by using implementation methods of technical survey by observation, collective secondary and primary data. Election area was elected by purposive way and respondent method election done non-probability sampling technique that taking sample research by non-random way by 72 numbers of respondent. Data was analyzed by descriptive and spacial method, so continued by structuring of green open space to improve of develop functional value and aesthetic value in Pekanbaru. The research showed that the Pekanbaru City has 4,35% of green space in the shape of protecting areas, lake tours, and the grave till Pekanbaru City does not have wide green open space public as mandated by law no 26 year 2007 at least 20% from the areas spatial planning Pekanbaru, namely 49% of the area of Pekanbaru City. Planning model green lane road on Jl. Sukarno Hatta, Jl. Subrantas, Jl. Riau, Jl. Hang Tuah, Jl. Imam Munandar and Jl. Tuanku Tambusai based on the needs of the road to plant shade, windbreak and absorbing pollution. Planning Model urban forest planning was urban forest recreation by combining soft elements and hard elements. Planning model park junction Jl. Subrantas based on plant shade needs and space for the interaction for market users.]]>
<![CDATA[Pemakaian Pupuk Organik Cair Sebagai Dekomposer dan Sumber Hara Tanaman Padi (Oriza sativa L.) ]]>
<![CDATA[Isnawan, Bambang Heri]]>;
<![CDATA[Utama, Nafi Ananda]]>
<![CDATA[ PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 3, No 2 (2015) ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Yogyakarta ]]>
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DOI: 10.18196/pt.2015.045.94-99
<![CDATA[A research to determine the effects of liquid organic fertilizer as a decomposer and nutrition source on the growth of rice plant (Oriza sativa L.). This research was conducted in Wirokerten, Botokenceng, Bantul, Yogyakarta. Field experiment was  arranged using Randomized Completely Block Design with 2 factors and three replications. The first factor was liquid organic fertilizer, consist of liquid organic fertilizer and witout liquid organic fertilizer. The second factor was the doses of SRI, consist of 25% SRI, 50% SRI, 75% SRI and 100% SRI (urea fertilizer 350 kg/ha, 150 kg/ha of SP-36 fertilizer and 150 kg/ha of KCl fertilizer). The result showed that the liquid organic fertilizer with dose 10 l/ha macro fertilizer and 5 l/ha micro fertilizer were not significantly increased the growth and yield of rice plant. Liquid organic fertilizer with dose 75% SRI was significantly increased the leaf number than dose of 25% and 100% SRI. Doses 25% and 100% of SRI with application the liquid organic fertilizer was significantly increased the weight of 1000 seeds. Doses of SRI was not significantly increased the rice yield per hectar.]]>
<![CDATA[Efektifitas Penginduksi Resistensi dan Biopestisida terhadap Penyakit Bercak Daun Cercospora dan Antraknosa pada Cabai (Capsicum annuum L.) ]]>
<![CDATA[Isnawan, Bambang Heri]]>;
<![CDATA[Mubarok, Khusnul]]>
<![CDATA[ PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 2, No 2 (2014) ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Yogyakarta ]]>
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DOI: 10.18196/pt.2014.030.106-114
<![CDATA[A research to confirm potential natural resources as an induced systemic resistance agent and bio- pesticide and it combination against Cercospora leaf spot and anthracnose on pepper. The research method was conducted by experiment on field, arranged in factorial design 3 x 5, arranged Randomized Completely Block Design with three replications as blocks. The First factor was inducer of resistance, consist of 3 levels i.e. non-inducer of resistance, inducer of resistance by Mirabilis jalapa and inducer of resistance by Amaranthus spinosus. The Second factor was bio-pesticide consist of 5 level i.e. non-bio-pesticide, bio-pesticide Amp, bio-pesticide Pfm001, bio-pesticide Amp+Pfm001 and chemical fungicide. The result of this research showed that inducer of resistance could suppressing damage fruit by anthracnose but could not influencing in Cercospora leafspot. Inducer of resistance could not be influencing growth of plant but could suppressing damage fruit volume and total damage fruit. Inducer of resistance i.e. Mirabilis jalapa and Amaranthus spinosus could suppressing damage fruit by anthracnose. Bio-pesticide could not be influencing in Cercospora leafspot but could suppressing anthracnose on pepper. Bio-pesticide could not be influencing the growth of pepper but could suppressing total damage fruit and damage fruit volume also increasing up the yield. There is no interaction between inducer of resistance and bio-pesticide through every parameter except for the area under diseases progress curve (AUDPC).]]>
<![CDATA[Substitusi Medium Sintetik dengan Pupuk Daun, Air Kelapa dan Ekstrak Nabati pada Subkultur Anggrek Cattleya pastoral Innocence secara In Vitro ]]>
<![CDATA[Handayani, Etty]]>;
<![CDATA[Isnawan, Bambang Heri]]>
<![CDATA[ PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 2, No 2 (2014) ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Yogyakarta ]]>
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DOI: 10.18196/pt.2014.031.115-124
<![CDATA[A research was perfomed to find the proper of coconut water and natural ekstracts combined with Hyponex medium that compared with Vacin & Went medium. This research has been done at Tissue Culture Laboratory, Agricultural Faculty, Universitas Muhammadiyah Yogyakarta. The method of this research was arranged in Randomized Complete Design with 9 treatments and 8 replications. The treatments were VW + NAA 0,5 ppm + BAP 3 ppm, green Hyponex 3 g/l, green Hyponex 3 g/l + bean sprouts 150 g/l, green Hyponex 3 g/l + tomatoes 150 ml/l, green Hyponex 3 g/l + avocado 150 g/l, red Hyponex 3 g/l, red Hyponex 3 g/l + bean sprouts 150 g/l, red Hyponex 3 g/l + tomatoes 150 ml/l, red Hyponex 3 g/l + avocado 150 g/l. The each of Hyponex mediums were given with bananas 150 g/l and coconut water 150 ml/l. The result of this research showed that Hyponex mediums combined with natural ekstract was not signicicantly with Vacin & Went medium to high and shoot growth. Red Hyponex medium 3 g/l combined bananas 150 g/l and coconut water 150 ml/l resulted the best high, leaf and shoot in tissue culture Cattleya pastoral innocence orchid.]]>
<![CDATA[PERSEPSI PETANI PADI TERHADAP LAYANAN IRIGASI DI DAERAH ISTIMEWA YOGYAKARTA ]]>
<![CDATA[Triyono, Triyono]]>;
<![CDATA[Rahmawati, Nur]]>;
<![CDATA[Isnawan, Bambang Heri]]>
<![CDATA[ AGRARIS: Journal of Agribusiness and Rural Development Research Vol 5, No 2: July-December 2019 ]]>
Publisher : <![CDATA[Program Studi Agribisnis Fakultas Pertanian Universitas Muhammadiyah Yogyakarta ]]>
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DOI: 10.18196/agr.5283
<![CDATA[Improvement of agricultural resource management systems, especially irrigation water, is important in determining sustainable agriculture. This study aims to describe the quality of irrigation services on rice farming as well as its corelation to the farmers Willingness To Pay (WTP) irrigation services. The study was conducted in rice farming centers namely Sleman and Bantul Regency based on irrigation river flows that crossed the region. Respondents were taken from each irrigation area as many as 5 farmers using simple random sampling with total number of samples were 125 farmers.The irrigation service data and farmers Willingness To Pay irrigation services were analyzed using rank Spearman correlation to see the corelation of both factors. The result showed that there was a negative correlation between irrigation services and farmers Willingness To Pay irrigation fees., In general, rice farming irrigation services in Special Region of Yogyakarta are in good category, however willingness of farmers to pay irrigation services (WTP) is low. In order to support the sustainability of longterm irrigation services, it requires public awareness, especially farmers in irrigation utilization and the provision of smart irrigation control in irrigation maintenance.]]>
<![CDATA[Pengaruh Macam Pupuk Organik Terhadap Pertumbuhan dan Hasil Jagung Manis (Zea mays-saccharata, Start) ]]>
<![CDATA[Dewi, Sukuriyati Susilo]]>;
<![CDATA[Isnawan, Bambang Heri]]>;
<![CDATA[Purwana, Dwi]]>
<![CDATA[ PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 1, No 1 (2005) ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Yogyakarta ]]>
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DOI: 10.18196/pt.v1i1.3105
<![CDATA[A field research to observe the effect of kinds of organic manure and on growth  and yield of sweet  corn was  done  in Danguran  village,  Klaten  Regency  of Midle Java. The research was conducted during August to October 2003. The field experiment was arranged in a Randomized Complete Block Design, with 3 replications. The kinds of organic manure treatment consisted of 5 levels which are: no farm manure (PKO), chicken farm manure (PKl), vermicompost or Kascing (PK2), cow farm manure A (PK3), and cow farm  manure-B (PK4). Each organic matter given was 10 ton /ha. The result showed that the chicken farm manure gave the significantly higher growth and yield  of sweet  corn  than  the others.  The average sweet corn yield obtained in this research was 16,2 ton/ha.]]>
<![CDATA[Identification of Changes in Water Catchment Areas in Kulon Progo District Using Geographic Information Systems ]]>
<![CDATA[Aini, Lis Noer]]>;
<![CDATA[Sekarsari, Ratri]]>;
<![CDATA[Isnawan, Bambang Heri]]>
<![CDATA[ PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 8, No 2 (2020) ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Yogyakarta ]]>
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DOI: 10.18196/pt.2020.120.103-113
<![CDATA[Water is the basic needs of living things in this world. Infrastructure development that increased would cause the needs of water. Therefore, it has to be balanced with manage the good plan of water absorption region in an area. This research has been done in Kulon Progo districts that aimed at made maps and map the potential of water absorption region in Kulon Progo districts. The method used in this research was the tiered quantitative analysis survey with Geography Information System (SIG) software with the weighting parameter categorize model using overlap techniques in each parameter. The parameters were kind of rocks, rainfall, used land, and slope of the land. The data of the research was secondary data. Those were administration map, Topographical map, land used map, rainfall data, Shuttle Radar Topography Mission (SRTM), and soil map. The result of this research showed that water absorption region in Kulon Progo with dominated suitability condition in unsuitable class as wide as 32.804 ha followed by class as wide as 17.124 ha, and the smallest was class condition quite appropriate as wide as 7.976 ha.]]>
<![CDATA[Pengaruh Inokulasi Rhizobium-CMA Terhadap Pertumbuhan dan Hasil Dua Varietas Kedelai Pada Tanah Entisol ]]>
<![CDATA[Utari, Lilik]]>;
<![CDATA[Isnawan, Bambang Heri]]>;
<![CDATA[Khusna, Farida]]>
<![CDATA[ PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 1, No 1 (2005) ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Yogyakarta ]]>
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DOI: 10.18196/pt.v1i1.3107
<![CDATA[A research to observe  the influence of Rhizobium and Vesicular Arbuscular Mycorrhyzae inoculation  on growth  and yield of Edamame and Wilis varieties of soybeans in Entisol  soil. The research  was conducted  in the green house  of Agriculture  Faculty, Muhammadiyah  University  of Yogyakarta,  from June to September  2003. The field experiment  was arranged  in 4x2 factorial  Completely  Randomized  Design  (CRD) with three  replications.  The  first  factor  was  inoculation treatment which contains four  levels consisted  of:  (1) without  inoculation;  (2) Rhizobium inoculation;  (3) VAM inoculation  and (4) Rhizobium-VAM inoculation. The second  factor  was the kind of varieties  namely  Edamame  and Wilis. There were 24 research  units  which  contain  12 polybags  of each unit. The result of this  research  showed  that  there  was  no  interaction  between inoculation treatments and kinds of  varieties  to all  of  parameters, except the  percentage of mycorrhizae infection.  Inoculation  of Rhizobium  and VAM significantly  increased  the growth and yield of Wilis variety.  The  100 grains  weight  of Edamame  variety  was  23.21  g and Wilis  variety  was 7.49  g. Inoculation  of Rhizobium  on Wilis variety was more compatible than Edamame.  Endogenus  VAM application on Edamame  variety was more compatible than VAM isolates inoculation.]]>
<![CDATA[Pengaruh Inokulasi Rhizobium-CMA Terhadap Pertumbuhan dan Hasil Dua Varietas Kedelai Pada Tanah Entisol ]]>
<![CDATA[Utari, Lilik]]>;
<![CDATA[Isnawan, Bambang Heri]]>;
<![CDATA[Khusna, Farida]]>
<![CDATA[ PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 1, No 1 (2005) ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Yogyakarta ]]>
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DOI: 10.18196/pt.v1i1.3107
<![CDATA[A research to observe  the influence of Rhizobium and Vesicular Arbuscular Mycorrhyzae inoculation  on growth  and yield of Edamame and Wilis varieties of soybeans in Entisol  soil. The research  was conducted  in the green house  of Agriculture  Faculty, Muhammadiyah  University  of Yogyakarta,  from June to September  2003. The field experiment  was arranged  in 4x2 factorial  Completely  Randomized  Design  (CRD) with three  replications.  The  first  factor  was  inoculation treatment which contains four  levels consisted  of:  (1) without  inoculation;  (2) Rhizobium inoculation;  (3) VAM inoculation  and (4) Rhizobium-VAM inoculation. The second  factor  was the kind of varieties  namely  Edamame  and Wilis. There were 24 research  units  which  contain  12 polybags  of each unit. The result of this  research  showed  that  there  was  no  interaction  between inoculation treatments and kinds of  varieties  to all  of  parameters, except the  percentage of mycorrhizae infection.  Inoculation  of Rhizobium  and VAM significantly  increased  the growth and yield of Wilis variety.  The  100 grains  weight  of Edamame  variety  was  23.21  g and Wilis  variety  was 7.49  g. Inoculation  of Rhizobium  on Wilis variety was more compatible than Edamame.  Endogenus  VAM application on Edamame  variety was more compatible than VAM isolates inoculation.]]>
<![CDATA[Pemakaian Pupuk Organik Cair Sebagai Dekomposer dan Sumber Hara Tanaman Padi (Oriza sativa L.) ]]>
<![CDATA[Isnawan, Bambang Heri]]>;
<![CDATA[Utama, Nafi Ananda]]>
<![CDATA[ PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 3, No 2 (2015) ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Yogyakarta ]]>
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DOI: 10.18196/pt.2015.045.94-99
<![CDATA[A research to determine the effects of liquid organic fertilizer as a decomposer and nutrition source on the growth of rice plant (Oriza sativa L.). This research was conducted in Wirokerten, Botokenceng, Bantul, Yogyakarta. Field experiment was  arranged using Randomized Completely Block Design with 2 factors and three replications. The first factor was liquid organic fertilizer, consist of liquid organic fertilizer and witout liquid organic fertilizer. The second factor was the doses of SRI, consist of 25% SRI, 50% SRI, 75% SRI and 100% SRI (urea fertilizer 350 kg/ha, 150 kg/ha of SP-36 fertilizer and 150 kg/ha of KCl fertilizer). The result showed that the liquid organic fertilizer with dose 10 l/ha macro fertilizer and 5 l/ha micro fertilizer were not significantly increased the growth and yield of rice plant. Liquid organic fertilizer with dose 75% SRI was significantly increased the leaf number than dose of 25% and 100% SRI. Doses 25% and 100% of SRI with application the liquid organic fertilizer was significantly increased the weight of 1000 seeds. Doses of SRI was not significantly increased the rice yield per hectar.]]>
