The Effectiveness of Seaweeds as Biofilter for Reducing Wastewater Nutrient and Preventing Water Pollution from Hybrid Grouper Culture

Highlight ResearchWastewater in hybrid grouper culture should be maintain before resirculate and dispose to aquatic environment to avoid eutrophication.Seaweed that is used for biofilter must be observed for its suitability, performance and effectivity.Ulva sp. has the best effectiveness to reduce nutrient in wastewater of hybrid grouper aquaculture by absorbing then stored into thallus.Ulva sp. is proven has the best SGR and adaptability in wastewater of hybrid grouper culture.AbstractWastewater generated from hybrid grouper culture needs to be managed to improve water quality before being recirculated, or discharged in the aquatic environment. Seaweed biofilter has been proposed in wastewater treatment technology for marine fish farming. This study aimed at comparing which of these species i.e. Ulva sp., Sargassum sp., Gelidium sp., and Dictyota sp. work best to absorb nutrient wastewater hybrid grouper culture. This research utilized these seaweed as treatments and controls with three replications using Completely Randomized Design. A statistical analysis was conducted to investigate the significant differences in the nutrient absorptions among various seaweed species by using ANOVA and least significant difference. Non-parametric tests namely Kruskal-Walis, Mann-Whitney, and t-test were used with confidence interval of 95%. The results revealed that Ulva sp. has the best ability to reduce the Nitrogen 80%, while Dictyota able to reduce Phosphor 88% by Dictyota sp. generated from wastewater of hybrid grouper culture. While the highest absorbtion of Total Kjeldahl Nitrogen (104%) and phosphate (182%) that stored in thallus were performed by Ulva sp. Ulva sp. had the best performance and highest growth rate (1.9% d-1) as biofilter in hybrid grouper cultivation than other species.

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Effect of planting date and density on calendula and peppermint herbs

JOURNAL OF ADVANCES IN AGRICULTURE ◽

10.24297/jaa.v1i1.4241 ◽

2014 ◽

Vol 1 (1) ◽

pp. 25-29

Author(s):

Rahim Mohammadian ◽

Behnam Tahmasebpour ◽

Peyvand Samimifar

Keyword(s):

Mutual Effect ◽

Dry Weight ◽

Planting Date ◽

Mass Reduction ◽

Flower Number ◽

Planting Dates ◽

Randomized Design ◽

Significant Difference ◽

Completely Randomized Design ◽

Total Maximum

A factorial experiment was conducted with a completely randomized design to evaluate the effects of planting date and density on calendula herbs and peppermint. It had 3 replicates and was done in Khosroshahr research farm, Tabriz in 2006. Under studied factors were: 3 planting dates (10 May, 25 May and 10 June) in 4 densities (25, 35, 45, 55) of the plant in square meters. The results of variance a nalysis showed that there was 1% probability significant difference between the effects of planting date and bush density on the leave number, bush height and the bush dry weight. But the mutual effect of the plant date in mentioned traits density was insignificant. Regarding the traits mean comparison, the total maximum dry weight was about the 55 bush density in mm. Also, the bush high density in mm causes the bush growth and its mass reduction. When there is the density grain, the flower number will increase due to bush grain in surface unit. Overall, we can conclude that 10 June planting and 45 bush density in mm is the most suitable items and results in favored production with high essence for these crops.

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Aktivitas Antifungi Air Perasan Bawang Merah (Allium ascalonicum L.) Terhadap Candida albicans Secara In Vitro

Jurnal Ilmu Kedokteran ◽

10.26891/jik.v9i2.2015.71-77 ◽

2017 ◽

Vol 9 (2) ◽

pp. 71

Author(s):

Nurhasanah Nurhasanah ◽

Fauzia Andrini ◽

Yulis Hamidy

Keyword(s):

Candida Albicans ◽

Antifungal Activity ◽

Allium Sativum ◽

Fungicidal Activity ◽

Positive Control ◽

Negative Control ◽

Randomized Design ◽

Significant Difference ◽

Completely Randomized Design

Shallot (Allium ascalonicum L.) has been known as traditional medicine. Shallot which has same genus with garlic(Allium sativum L.) contains allicin that is also found in garlic and has been suspected has fungicidal activity toCandida albicans. It is supported by several researches. Therefore, shallot is suspected has antifungal activity too.The aim of this research was to know antifungal activity of shallot’s water extortion againsts Candida albicans invitro. This was a laboratory experimental research which used completely randomized design, with diffusion method.Shallot’s water extortion was devided into three concentrations, there were 50%, 100% and 200%. Ketoconazole 2%was positive control and aquadest was negative control. The result of this research based on analysis of varians(Anova), there was significant difference between several treatments and was confirmed with Duncan New MultipleRange Test (DNMRT) p<0,05, there was significant difference between 100% shallot’s water extortion with othertreatments, but there was no significant difference between 50% shallot’s water extortion with 200% shallot’s. Theconclusion was shallot’s water extortion had antifungal activity againsts Candida albicans with the best concentration100%, but it was lower than ketoconazole 2%.

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PENGARUH LAMA PEREBUSAN SIMPLISIA DAUN APAH (Albertisia papuana Becc.) YANG DIGUNAKAN SEBAGAI PENYEDAP MAKANAN OLEH MASYARAKAT KAB. TANA TIDUNG TERHADAP ANGKA CEMARAN MIKROBA

Jurnal Ilmiah Manuntung ◽

10.51352/jim.v2i1.41 ◽

2017 ◽

Vol 2 (1) ◽

pp. 22

Author(s):

Rosnah Rosnah ◽

Medi Hendra ◽

Eko Kusumawati

Keyword(s):

Microbial Contamination ◽

Colony Growth ◽

Dilution Series ◽

Randomized Design ◽

Significant Difference ◽

Boiling Process ◽

Completely Randomized Design

The purpose of this study is to determine the effect of long simplicia Apah’s leaves (Albertisia papuana Becc.) that’s used as a food’s flavoring by people of Kab. Tana Tidung against microbial contamination numbers. The design of research used a pattern completely randomized design (RAL), with a dilution series of samples 10-8, 10-9 and 10-10 and different boiling’s level (5, 10, 15, 20 and 25 minutes). The results obtained that the longer of boiling process is used, then the less the number of microbial contamination of colony growth. Average number of microbial contamination in samples in the boiling of 5 minutes is 92 x 1010 microbial colonies, in boiling 10 minutes is 87 x 1010 microbial colonies, in boiling 15 minutes is 56 x 1010 microbial colonies, in boiling 20 min is 44 x 1010 colonies of microbes and the boiling simplicia infuse for 25 minutes is 33 x 1010 colonies of microbes. Based of Analysis variance variety in each treatment showed that in boiling 20 minutes and 25 minutes showed real significant difference (p <0.05), but the boiling 5, 10 and 15 minutes there was no significant difference (P> 0.05). The results of the Anova, showed that in boiling treatment of simplicia Apah’s leaves (Albertisia papuana Becc.) significantly affects the growth of microbial colonies. Analysis of Least Significant Difference (LSD) at the level of 95%, the result that the effects of long boiling the simplicia Apah’s leaves (Albertisia papuana Becc.) which is used as a food flavoring by people of Kab. Tana Tidung, significant effect on the numbers of microbial contamination

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INFLUENCE OF SUGARCANE STRAW AND SOWING DEPTH ON THE EMERGENCE OF WEED SPECIES

Planta Daninha ◽

10.1590/s0100-83582015000300003 ◽

2015 ◽

Vol 33 (3) ◽

pp. 405-412 ◽

Cited By ~ 2

Author(s):

P. V. SILVA ◽

P. A. MONQUERO ◽

F. B. SILVA ◽

N. C. BEVILAQUA ◽

M. R. MALARDO

Keyword(s):

Ricinus Communis ◽

Seedling Emergence ◽

Dry Mass ◽

Weed Species ◽

Sowing Depth ◽

Sugarcane Straw ◽

Randomized Design ◽

Significant Difference ◽

Completely Randomized Design ◽

Luffa Aegyptiaca

ABSTRACT This study aimed to understand the influence of sowing depth and the amount of sugarcane straw on the emergence of weed species Luffa aegyptiaca Miller (Cucurbitaceae); Mucuna aterrima Piper & Tracy (Fabaceae - Leguminosae) and Ricinus communis (Euphorbiaceae). A completely randomized design with a 5 x 4 x 3 factorial layout with four replications was used, at five sowing depths (0, 2, 4, 8 and 10 cm), four different amounts of sugarcane straw (0, 5, 10 and 15 t ha-1) and three different evaluation periods (7, 14 and 21 days after sowing). After sowing, different amounts of sugarcane straw (0, 5, 10 and 15 t ha-1) were deposited on soil. Seedling emergence was analyzed at 7, 14 and 21 days after sowing, counting the number of seedlings that had emerged. At the end of the trial, weed height (cm), leaf area (cm2) and shoot dry mass (g) were measured. In relation to emergence ability, studied species presented different responses according to sowing depth and to the amount of sugarcane straw deposited on the soil. For the L.aegyptiacaand M.aterrima, no significant difference was observed in the interaction between depth and sugarcane straw, showing the adaptation of these species to no-burn sugarcane system. For R.communis, seeds placed at 0 cm of sugar cane straw depth were observed to favor the emergence of seedlings.

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Application of sorting dependent criterias in determination of volume and area bruising of “Golab-Kohanz” apple in Iran

Genetika ◽

10.2298/gensr1201177d ◽

2012 ◽

Vol 44 (1) ◽

pp. 177-187 ◽

Cited By ~ 2

Author(s):

Ahmad Dadashpour

Keyword(s):

Contact Surface ◽

Surface Material ◽

Drop Height ◽

Randomized Design ◽

Significant Difference ◽

Completely Randomized Design ◽

Damage Criteria ◽

Apple Fruits ◽

Area And Volume

Apple fruits are subjected to different loading damage from harvesting to supermarket shelf. Bruising has been attracted many researchers as one of the most important damage criteria. In this research, the effects of some factors such as counter-face material, drop height and linear velocity of apples (conveyor speed) were investigated. Influence of these factors on bruising of ?Golab-Kohanz? variety was analyzed by a Completely Randomized Design (CRD) with factorial test at three levels of drop height (10, 20 and 30 cm), conveyor speed (0.05, 0.1 and 0.15 ms- 1) and four counter-face materials (wood, steel, plastic and cardboard). Tests were conducted at three replications with 108 treatments. Analysis of variance results showed that the effects of drop height and counter-face material on bruising area at 1% level was significant while bruising volume only affected by contact surface material (P<0.01). Mean comparison test indicated that there was no significant difference among levels of conveyor speed on the area and volume bruising. Also, there was no significant difference among levels of drop height on volume bruising while it was significant on the area bruising. Steel and wooden material had no significant effect on the area and volume bruising but their differences with plastic and cardboard were significant. Therefore, drop height and counter-face material must be considered in designing the apple processing systems.

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The Effect Of Rajalele Probiotic On Survival Rate Of Fish Juvenile Pangasius pangasius, Oreochromis niloticus, Cyprinus carpio

JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS ◽

10.36987/jpbn.v6i1.1597 ◽

2020 ◽

Vol 6 (1) ◽

pp. 88-95

Author(s):

Marlina Doloksaribu ◽

Robert Martua Simanjuntak ◽

Ied Hidayani Parinduri

Keyword(s):

Social Sciences ◽

Experimental Study ◽

Data Analysis ◽

Survival Rate ◽

Cyprinus Carpio ◽

Oreochromis Niloticus ◽

Fish Farming ◽

Randomized Design ◽

The Social ◽

Completely Randomized Design

The use of probiotics is certainly one of the solutions in overcoming the problem of increasing seed in fish farming. One of them is the use of probiotic king catfish, in this study tested on catfish, tilapia and goldfish. This research is an experimental study. The design used in this study was a Completely Randomized Design with 4 treatments 3 replications. Data analysis used Statistical Package for the Social Sciences version 15. The results of the analysis of the highest seed survival rate were obtained on Pangasius pangasius (95%), on Oreochromis niloticus (83,33 %), and Cyprinus carpio (80%). The treatment of Rajalele probiotics has a very significant effect (very significant) Fanalysis (23.01) > Ftable 0.01 (7.59) on the graduation of Pangasius pangasius, Oreochromis niloticus, and Cyprinus carpio. The conclusion of this study shows that the survival rate the highest in Pangasius pangasius

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UJI PENGGUNAAN BERBAGAI MEDIA TUMBUH DAN PEMBERIAN PUPUK GROWMORE PADA AKLIMATISASI TANAMAN ANGGREK Dendrobium

Jurnal Ilmiah Pertanian ◽

10.31849/jip.v15i2.1960 ◽

2019 ◽

Vol 15 (2) ◽

pp. 105-114

Author(s):

GUSTI MARLINA ◽

MARLINDA MARLINDA ◽

HENI ROSNETI

Keyword(s):

Plant Height ◽

Growth Media ◽

Growing Media ◽

Randomized Design ◽

Honestly Significant Difference ◽

Significant Difference ◽

Number Of Leaves ◽

Completely Randomized Design ◽

Difference Test ◽

Honestly Significant Difference Test

The research objective was determine the effect of various growth media and growmore fertilizer on the acclimatization of Dendrobium orchids. study used a Completely Randomized Design (CRD) Factorial consisting of 2 factors, the first is (M) of growing media which consists of 3 levels, namely: M1 (medium fern root), M2 (wood charcoal medium), M3 (coir media coconut) and the second is (G) growmore fertilizer which consists of 4 levels, namely: G0 (without Growmore fertilizer), G1 (Growmore fertilizer 2 g / liter), G2 (fertilizer Growmore 4 g / liter), G3 (Growmore fertilizer 6 g / liter). Determine the growth of orchid plants, observations were made with the following parameters Growth Percentage (%), Plant Height (cm), Number of leaves (strands), and Number of tillers (stems). Data obtained were analyzed statistically, then continued with the Honestly Significant Difference Test (BNJ) at the level of 5%. The results showed that the single treatment of the use of growing media did not have a significant effect on the parameters of observation of growth percentage (%), plant height (cm), number of leaves (strands), and number of tillers (stems). The growth of growmore fertilizer also did not show a significant effect on the parameters of observation of growth percentage (%), plant height (cm), number of leaves (strands), and number of tillers (stems). Interaction of the use of various growth media and growmore fertilizer did not show a significant effect on the percentage of growth (%), plant height (cm), number of leaves (strands), and number of tillers (stems).

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Pengaruh penambahan serbuk jagung pada komposisi media tanam terhadap pertumbuhan miselium bibit F1 jamur tiram putih (Pleurotus ostreatus)

BIOMA Jurnal Ilmiah Biologi ◽

10.26877/bioma.v10i2.7429 ◽

2021 ◽

Vol 10 (2) ◽

pp. 158-170

Author(s):

Muhaeming Muhaeming ◽

Jamilah Jamilah ◽

Zulkarnaim Zulkarnaim

Keyword(s):

Experimental Study ◽

Analysis Of Variance ◽

Pleurotus Ostreatus ◽

Medium Composition ◽

Oyster Mushroom ◽

Control Treatment ◽

Mycelium Growth ◽

Randomized Design ◽

Significant Difference ◽

Completely Randomized Design

Penambahan nutrisi perlu dilakukan untuk meningkatkan produktivitas pertumbuhan jamur tiram putih (Pleurotus ostreatus). Salah satu bahan yang dapat digunakan adalah serbuk jagung. Penelitian ini bertujuan untuk mengetahui pengaruh penambahan serbuk jagung pada komposisi media tanam terhadap pertumbuhan miselium bibit F1 jamur tiram putih (Pleurotus ostreatus) dan mengetahui konsentrasi serbuk jagung yang paling baik digunakan pada pertumbuhan miselium bibit F1 jamur tiram putih (Pleurotus ostreatus). Penelitian ini mengunakan Rancangan Acak Lengkap (RAL) 4 perlakuan dan 3 ulangan sehingga diperoleh 12 satuan percobaan; P0 (perlakuan kontrol), P1 (25%), P2 (50%), dan P3 (100%). Variabel yang diukur adalah persentase pertumbuhan miselium yang diamati pada hari ke-6, 12 dan 18 dan waktu penyebaran miselium Hari Setelah Inokulasi (HSI). Data hasil penelitian dianalisis menggunakan analysis of variance (ANOVA) dengan uji lanjut menggunakan uji Beda Nyata Terkecil (BNT). Hasil penelitian menunjukkan bahwa ada pengaruh pada pertumbuhan miselium bibit F1 jamur tiram putih (Pleurotus ostreatus) dengan penambahan serbuk jagung pada komposisi media tanam. Selain Itu, konsentrasi serbuk jagung yang memberikan hasil yang paling baik terhadap pertumbuhan miselium adalah P2 dengan konsentrasi 50%. Kata kunci : miselium F1; Pleurotus ostreatus; serbuk jagung ABSTRACTAdditional nutrition needs to be done to increase the productivity of oyster mushroom (Pleurotus ostreatus) growth. One of the materials that can be used is corn powder. This study aimed to determine the effect of corn powder on the planting medium composition towards mycelium growth of oyster mushroom F1 seeds (Pleurotus ostreatus) and to find the best concentration of corn powder to grow mycelium seeds F1 oyster mushroom (Pleurotus ostreatus). This research was an experimental study using a Completely Randomized Design (CRD) with 4 treatments namely; P0 (control treatment), P1 (25%), P2 (50%), and P3 (100%), and 3 repetitions so that obtained 12 experimental units. The variables measured were the mycelium growth percentage on days 6, 12, and 18, and the mycelium widespread time after the day of inoculation. The data were analyzed using ANOVA then continued on the Least Significant Difference (LSD) test. The results showed that the addition of corn powder on oyster mushroom growing media affected mycelium growth of the oyster mushroom F1 seeds (Pleurotus ostreatus). It also found that the P2 with a 50% concentration of corn powder gave the widest mycelium growth. Keywords: corn powder; mycelium; Pleurotus ostreatus

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KECERNAAN IN VITRO SILASE SAMPAH SAYUR DAN DAUN GAMAL MENGGUNAKAN MIKROORGANISME RUMEN KAMBING

Jurnal Ilmu dan Teknologi Peternakan Tropis ◽

10.33772/jitro.v2i3.3808 ◽

2015 ◽

Vol 2 (3) ◽

pp. 17

Author(s):

Indrayani Indrayani ◽

Harapin Hafid ◽

Dian Agustina

Keyword(s):

Organic Matter ◽

Analysis Of Variance ◽

Dry Matter ◽

Vegetable Waste ◽

Dry Matter Digestibility ◽

Randomized Design ◽

Honestly Significant Difference ◽

Significant Difference ◽

Completely Randomized Design

ABSTRACTThis study aims to determine the digestibility of dry matter and organic matter level waste silage mixed vegetables and Gliricidia leaves were tested in vitro. This study used a completely randomized design with 3 treatments and 3 replications. Each of these treatments is R0 (Gliricidia leaves 100%), R1 (Gliricidia leaves 70% + 30% silage vegetable waste), and R2 (Gliricidia leaves 40% + 60% silage vegetable waste). Data were analyzed using analysis of variance (ANOVA) and further testing using the test Honestly Significant Difference (HSD). The results of ANOVA showed that the mixture of vegetable waste silage was highly significant (p <0.05) on dry matter digestibility and significantly (p <0.05) on the digestibility of organic matter. It can be concluded that the mixed of vegetable waste silage and Gliricidia leaves can improved digestibility of dry matter and organic matter, treatment of 40% and 60% Gliricidia leaves plus waste vegetable produce silage dry matter digestibility and percentage of organic matter is best (72,24% and 68,19%).Keyword: Silage vegetable waste, gliricidia leaves, dry and organic matter digestibilityABSTRAKPenelitian ini bertujuan untuk mengetahui kecenaan bahan kering dan bahan organik tingkat campuran silase sampah sayur dan daun gamal yang diuji secara in vitro. Penelitian ini menggunakan Rancangan Acak Lengkap dengan 3 perlakuan dan 3 ulangan. Masing-masing perlakuan tersebut ialah R0 (daun gamal 100%), R1 (daun gamal 70% + silase sampah sayur 30%), dan R2 (daun gamal 40% + silase sampah sayur 60%). Data yang diperoleh dianalisis dengan menggunakan analisis sidik ragam (ANOVA) dan uji lanjut menggunakan uji Beda Nyata Jujur (BNJ). Hasil analisis sidik ragam menunjukkan bahwa campuran silase sampah sayur berpengaruh sangat nyata (p<0,05) terhadap kecernaan bahan kering dan berpengaruh nyata (p<0,05) terhadap kecernaan bahan organik. Dapat disimpulkan bahwa perlakuan campuran silase sampah sayur dan daun gamal dapat meningkatkan kecernaan bahan kering dan bahan organik, perlakuan 40% daun gamal dan 60% silase sampah sayur menghasilkan persentase kecernaan bahan kering dan bahan organik yang terbaik yaitu (72,24% dan 68,19%).Kata kunci : Silase sampah sayur, daun gamal, kecernaan bahan kering, dan bahan organik.

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Study of Proportion of Milk with Lesser Yam Filtrate and Starter Concentration for Producing Synbiotic Yoghurt

International Journal of Eco-Innovation in Science and Engineering ◽

10.33005/ijeise.v2i02.42 ◽

2021 ◽

Vol 2 (02) ◽

pp. 20-25

Author(s):

Rosida Rosida ◽

Sintha Soraya Santi ◽

Rohman

Keyword(s):

Preference Score ◽

Cow’S Milk ◽

Soluble Fiber ◽

Total Dietary Fiber ◽

Cow's Milk ◽

Randomized Design ◽

Factor Ii ◽

Significant Difference ◽

Two Factors ◽

Completely Randomized Design

This study aimed to determine the effect of the proportion of cow's milk with lesser yam filtrate and starter concentration on the characteristics of synbiotic yoghurt. The research used a factorial completely randomized design (CRD) with two factors, factor I was the proportion of cow's milk with lesser yam filtrate (100:0; 60:40; 50:50; 40:60; 0:100) and factor II was the starter cocentration (3%, 5%, 7%). The data obtained were analyzed using analysis of variant (ANOVA) and if there was a significant difference between treatments, then continued with Duncan's test at the 5% level. Synbiotic yoghurt from proportion of cow's milk with lesser yam filtrate (50:50) and 5% starter concentration was the best treatment with total Lactic Acid Bacteria of 7.23 log CFU/ml; pH 4.20; total dietary fiber 3.05%, soluble fiber content 1.3%, inulin content 1.2%, fat content 0.41% and soluble protein content 2.66% with an average texture preference score of 6.13 (like much); taste core 6.02 (like much) and smell score 5.20 (like).

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