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Pengaruh Teknik Sterilisasi dan Komposisi Medium terhadap Pertumbuhan Tunas Eksplan Sirsak Ratu Sulistiyo, Rico Hutama; Luthfiyyah, Zayyan; Susilo, Buana; Dalimartha, Lengga Nurullah; Wiguna, Eko Chandra; Yuliana, Nuniek; Prasetyo, Nugroho
Proceeding Biology Education Conference: Biology, Science, Enviromental, and Learning Vol 14, No 1 (2017): Proceeding Biology Education Conference
Publisher : Universitas Sebelas Maret

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Abstract

Successful tissue culture of soursop plants requires proper sterilization techniques and hormone levels toproduce good shoot growth. This study aims to determine the effect of sterilization techniques and mediumcomposition of soursop explants, using factorial completely randomized design with 2 factors: sterilizing agentsand medium composition, repeated 3 times. Hydrogen Peroxide, Mercury and Sodium Hypoclorite used assterilizing agents. The medium composition used in this study consisted of 3 levels: MS 0, MS 0.5 ppm BAP+ 0.05 ppm NAA and MS 1 ppm BAP + 0.1 ppm NAA. The best treatment is MS medium 0.5 ppm BAP + 0.05ppm NAA with hydrogen peroxide sterilizing agent which produces the highest propagation level and lowestcontamination level.
Penambahan Biochar Berbasis Limbah pada Inceptisol terhadap Budidaya Tembakau (Nicotiana tabacum (L.)) Varietas Kemloko di Temanggung Katon, Damarmoyo Sasongko; Susilo, Buana; Dalimartha, Lengga Nurullah; Wiguna, Eko Chandra; Isdiantoni, Isdiantoni; Koentjoro, Maharani Pertiwi; Prasetiyo, Endry Nugroho
Proceeding Biology Education Conference: Biology, Science, Enviromental, and Learning Vol 14, No 1 (2017): Proceeding Biology Education Conference
Publisher : Universitas Sebelas Maret

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Abstract

Biochar is a biological charcoal derived from incomplete combustion (pyrolysis) of agricultural residualmaterials that can increase carbon sustainably, retention of water and nutrients in soil. This research aimed todemonstrate the effect of adding biochar on inceptisol for Kemloko tobacco cultivation in Temanggung, CentralJava, Indonesia. The data analysis of this research was using Factorial Random Design with two factors(treatment and dose). The results showed that the addition of biochar + compost increase productivity of 491.6kg/ha comparing to the control with the higher tobacco quality. Chemical analysis of the respected soil showedthat the biochar + compost treatment increase pH level up to 5.46 with the organic matter level and total nitrogenas well increased about 2.66% and 0.180% respectively.
Model Manajemen Terpadu Pertanian Hortikultura Organik pada Lahan Sempit Suryadi, Dede; Megawati, Ayuningtyas; Susilo, Buana; Dalimartha, Lengga Nurullah; Wiguna, Eko Chandra; Isdiantoni, Isdiantoni; Koentjoro, Maharani Pertiwi; Prasetiyo, Endry Nugroho
Proceeding Biology Education Conference: Biology, Science, Enviromental, and Learning Vol 14, No 1 (2017): Proceeding Biology Education Conference
Publisher : Universitas Sebelas Maret

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Abstract

Integrated management of organic farming is an agriculture management system with an effort in developing the organic basis of cropping system to improve soil health, and pest & disease controlling to achieve sustainable productivity. Integrated management model of organic horticulture can be done alternatively on narrow land thereby intercropping and companion of several crops in order to improve yield. For instance, planting of different plants families such as herbs & flower in one area such as kenikir and tagetes to reduce the population of pest and to improve natural enemies population.
Pengaruh Formulasi Penambahan Biochar terhadap Produksi Tanaman Tembakau Varietas K326 Cross Creek Seed USA. di Lahan Kering Kabupaten Bojonegoro Pahlevi, Reza Widhi; Susilo, Buana; Dalimartha, Lengga Nurullah; Wiguna, Eko Chandra; Isdiantoni, Isdiantoni; Koentjoro, Maharani Pertiwi; Prasetiyo, Endry Nugroho
Proceeding Biology Education Conference: Biology, Science, Enviromental, and Learning Vol 14, No 1 (2017): Proceeding Biology Education Conference
Publisher : Universitas Sebelas Maret

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Abstract

Tobacco plant has high value and strongly sensitive to physical and chemical conditions of soil condition. One alternative to increase tobacco production is modify the soil using biochar accompanied with other organic materials such as fertilizer. This research aimed to determine the best formulation on addition of biochar to the yield of tobacco (Nicotiana tabacum) plants var. K326. The study was conducted in Balen Subdistrict, Bojonegoro District, East Java, Indonesia with Randomized Block Design consisting of 5 treatments. Prior aplication the biochar was formulated with compost, OCF (Organic Compound Fertilizer), and agricultural waste. The formulation is intended to allow biochar having adequate nutrient content to increase tobacco yield. Biochar treatment formulated with OCF gave 45,8 % higher of tobacco yield than the control by 1,084 ton ha-1 and 0,497 ton ha-1 respectively.