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Kota surabaya,
Jawa timur
INDONESIA
AGROKNOW
Published by Universitas 17 Agustus 1945 Surabaya
ISSN : 23022612     EISSN : -     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Teknologi Terapan & Agroindustri
Arjuna Subject : -
Articles 14 Documents
 1   2 
Identifikasi dan Kelimpahan Plankton pada Budidaya Ikan Air Tawar Ramah Lingkungan Sri Oetami Madyowati, Maria Agustini
AGROKNOW Vol 2, No 01 (2014): Jurnal Agroknow Vol.2 No.1 Februari 2014
Publisher : AGROKNOW

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Abstract

Abstract. Sampling was carried out at 11 noon with overcast weather conditions, while the physical parameters temperature 27o C with a brightness of 47.83 cm. Water depth of 9.95 m with a length of the pool, the pool width 5.3 m with a height of 0.5 m of water. Light green color of pool water showed dominance Chlorophyta. Chemical parameters of 2.13 ppm of dissolved oxygen, carbon dioxide 14, 96 ppm, with a pool in the range of neutral pH is 7, obtained Gloeotrichia echinulata plankton species that are most at 42.85% at the level of abundance of each species relatife at all sampling stations, with the amount of plankton in the pond at 11.80. 109 cells. Physical parameters in this study also contributed to the presence of plankton present in the water, too, especially for the process of photosynthesis and respiration of aquatic organisms.Kata kunci: identifikasi plankton, kelimpahan plankton, ramah lingkungan.
Pengaruh Penggunaan Pupuk Organik Hayati terhadap Sifat Fisika Tanah di Kecamatan Pare Kabupaten Kediri Tiurma Wiliana Susanti Panjaitan, Gatot Sargiman
AGROKNOW Vol 1, No 01 (2013): Jurnal Agroknow Vol.1 No.1 Februari 2013
Publisher : AGROKNOW

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Abstract

Abstract. This research aims to return soil fertility level passes soil quality repair process with biological organic fertilizer (POH) use, so that increase result and agro product quality. Watchfulness activity about biological organic fertilizer is done at village Pelem, Pare (Kediri) with location without use POH and use POH between 1 up to 7 year. soil sample taking appointeds at random and done several analysis, that is soil physics, pregnancy pOh both for still new (4 day) and that sufficiently long days (1 month). Data is analyzed with analysis of variance and to detect difference between treatments is done test LSD in standard 5%. . The research got several conclusions, that is (1) biological organic fertilizer (POH) that stills new (fermentation during 4 days) not yet give stable organic ingredient result. But such biological organic fertilizer can direct be used for organic ingredient increase in soil although the result less optimal. biological organic fertilizer best memfermentasikan during around 1 month; (2) biological organic fertilizer increasing into soil as much as 2 ton/ha to every planting will give optimal organic ingredient pregnancy since gift during 7 year; (3) biological organic fertilizer use consequence soil physics character repair in general influential manifestly since use in the year second. Maximum wide capacity magnitude that reachable around 44%.Kata Kunci : Pupuk Organik Hayati (POH), Sifat Fisik Tanah.
Efektivitas Sistem Transportasi Kering Tertutup pada Pengangkutan Benih Lele Dumbo (Clarias Gariepinus) Sri Oetami Madyowati, Kusyairi Nurul Hayati
AGROKNOW Vol 1, No 01 (2013): Jurnal Agroknow Vol.1 No.1 Februari 2013
Publisher : AGROKNOW

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Abstract

Abstract. One of the sufficient promising fish cultivation is cat fish cultivation. Cat fish cultivation highly prolific due to easy to cultivation in land and finite springs with high spread density, cultivation technology is relative easy to be learned by the people, such their marketing are easy and required capital is low. The aim of this research are to gain anesthetizes temperature, anesthetizes duration and both combination for the best to producing highest longevity level of cat fish seed (Clarias gariepinus) in closed dry transportation system. Research design that employed is RAL Factorial (Factorial Complete Random Design). Treatment in this research are two factors, namely temperature (A Factor) consist of three degrees (12,16 and 18 oC) with notation (a1,a2, and a3) and anesthetizes duration (B Factor) consists of three degrees (20, 30 and 40 minutes) with notation (b1,b2, and b3). Combination of this treatment are (a1b1), (a1b2),(a2b1), (a2b2), (a3b1), (a3b2) and (a3b3), respectively of this treatment combination done three times, obtained 27 treatment combinations.The result indicating that anesthetize temperature have real effect toward longevity level of cat fish seed (Clarias gariepinus) size 7-9 cm in closed dry transportation system for 10 hours produce highest longevity level in 16°C, around 95.91%. The anesthetizes duration did not have real effect on longevity level of cat fish seed (Clarias gariepinus) for 10 hours but yielding highest longevity level 20 minutes, that is 86.76%. Combination (interaction) of temperature and anesthetizes duration have real effect on longevity level of cat fish seed (Clarias gariepinus) size 7-9 in closed dry transportation system for 10 hours and yield highest longevity level of cat fish seed (Clarias gariepinus) is temperature anesthetizes 16°C and anesthetizes duration 40 minutes, as many 98.89%.Kata kunci : Clarias gariepinus, kelangsungan hidup, suhu, sistem transportasi kering tertutup
Analisa Putaran dan Kemiringan Dinding Saringan untuk Optimalisasi Alat Pemeras Bahan Jamu Robert Firmandus, I Made Kastiawan
AGROKNOW Vol 2, No 01 (2014): Jurnal Agroknow Vol.2 No.1 Februari 2014
Publisher : AGROKNOW

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Abstract

Abstract. To increase the production of small industry enterprise (home industry) necessary to study and application of appropriate technology (TTG), as an example in household herbal medicine manufacturers. One of the production process is a process that is often a constraint extortion because the process is quite heavy if done manually. In this research, the assessment process is the process of designing a squeeze with centrifugal system. The method used is to do field studies, designing process and analyze theoretically. At the final stage of trials conducted within three (3) conditions that combine the tilt angle of the walls of the filter (extortion) with the amount of rotation. From the tests obtained optimal value tilt angle of the walls of the filter is 680 to 620 rpm rotation, because in this position grater herbal ingredients can be squeezed to the maximum (dryness level) is 96% with the time it takes to lift the dregs fast enough that 21 minutes and the volume filtering is 0.0079 m3 with filtering effectiveness of the prototype is at 72.1%.Keyword: slope of the filter wall, rpm, optimization of extortion, herbal ingredients

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