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Agrifor : Jurnal Ilmu Pertanian dan Kehutanan
Published by Universitas 17 Agustus 1945 Samarinda
ISSN : 14126885     EISSN : 25034960     DOI : https://doi.org/10.31293/af.v18i2
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Agrifor Journal is a scientific journal that contains writings in the form of research results, book review, conceptual studies, and scientific works in the field of Agriculture and Forestry concerning relevant cultivation.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Kehutanan
Articles 15 Documents
 1   2 
Search results for , issue "Vol 16, No 2 (2017): Oktober" : 15 Documents clear
The Effect of Manure Cow Fertilizer and Super Natural Nutrition Foliar Fertilizer on the Growth and Yield of Tomato (Lycopercicum esculentum Mill.) Tymoti Variety Pono dan Abdul Rahmi .
Agrifor : Jurnal Ilmu Pertanian dan Kehutanan Vol 16, No 2 (2017): Oktober
Publisher : Universitas 17 Agustus 1945 Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31293/af.v16i2.2908

Abstract

This experiment aims to: (1) to study of the effect of manure cow fertilizer and Super Natural Nutritionfoliar fertilizeras well as their interaction on the growth and yield of tomato plants; and (2) to find proper dosage of manure cow fertilizer and proper concentration of Super Natural Nutritionfoliar fertilizer for better growth and yield of tomato plants.The research carried out from February 2016 to April 2016, in the Village of Suka Rahmat Melak, Teluk Pandan Subdistrict, East Kutai District.  It applied Completely Randomized Block Design with factorial experiment 4 x 4 and three replications.  The first factor is the dosage of the manure cow fertilizer (P) consists of 4 levels, namely: no manure cow fertilizer application (p0), 5 Mg ha ̵ ¹, or 2kg plot ̵ ¹ (p1), 7,5 Mg ha ̵ ¹ or 3kg plot ̵ ¹ (p2), and 10 Mg ha ̵ ¹ or 4kg plot ̵ ¹   (p3). The second factor is the concentration of Super Natural Nutritionfoliar fertilizer (N) consists of 4 levels: without Super Natural Nutritionfoliar fertilizer (n0), 1 ml 1 ̵ ¹water (n1), 2 ml 1 ̵ ¹ water (n2), and 3 ml 1 ̵ ¹  water (n3).Result of the research revealed that : (1) application of manure cow fertilizer was affected significant to very significantly on plant height at 14, 28, and 42 days after planting, days of plant flowered, days of plant harvest,  the number of fruits per plant, weight of fruit per plant, and production of fruit. The highest production is attained by the 10 Mg ha-1 fertilizer manure cow fertilizer (p3), namely 31,15 Mg ha-1, In reverse, the least production is attained by without manure cow fertilizer (p0), namely 21,28 Mg ha ̵ ¹; (2) application of Super Natural Nutrition foliar fertilizer was significantly to very significantly on the plant height at 14, 28, and 42 days after planting, days of plant flowered, days of plant harvest,  the number of fruits per plant, weight of fruit per plant, and production of fruit. The highest production is attained by the 3 ml l-1 water (n3), namely 31,75 Mg ha-1, In reverse, the least production is attained by without Super Natural Nutrition foliar fertilizer (n0), namely 23,27 Mg ha ̵ ¹; and (3) interaction between manure cow fertilizer and Super Natural Nutrition foliar fertilizer was affected significantly to very significantly on the plant height at 28 and 42 days after planting, number of fruit per plant, and fruit weight per plant, but no significantly on the plant height at 14 days after planting, days of plant flowered, days of plant harvest,  and producton of fruit.
Utilization Of Caramunting Fruit As Natural Dyes Foods Elly Jumiati, Mardhiana, Ira Maya Ab .
Agrifor : Jurnal Ilmu Pertanian dan Kehutanan Vol 16, No 2 (2017): Oktober
Publisher : Universitas 17 Agustus 1945 Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31293/af.v16i2.2898

Abstract

The rised of the existing food industry was not matched by the increase in the quality of products produced and the level of safety of materials used. So many of us encounter cases of food poisoning, both due to expired products and have been infected with harmful microorganisms or the use of harmful chemical or synthetic substances as food coloring.The study involved several processes and successive stages ranging from material preparation, phytochemical observation of extracts, screening of free radical capture activity, and antioxidant activity test extracts. Phytochemical observations of caramunting fruit extract included examination of phenol, flavonoid, and anthocyanin content. Making the extract is done by maceration.The results showed that the results of phytochemical test of fresh fruit and dried fruit karamunting is; (a) Antocyanin in fresh fruit was 0.65 mg CGE / g DW and dried fruit of 0.5 mg CGE / g DW, (b) total Phenol in fresh fruit was 15.05 mg GAE / g DW and dried fruit of 13.61 mg GAE / g DW, (c) total fresh fruit Flavonoids were 15.15 mg RE / g DW and dried fruit of 13.43 mg RE / g DW. The results of organoleptic tests of commercial syrup beverages and syrup given karamunting fruit extract (karamunting syrup) were (a) the sensory test results indicated that commercial syrup with colorant synthesis of color is preferred (score 6), preferred scent (score 5), preferred taste (score 4.8), preferred viscosity (score 5.6), (b) sensory assay results showed that syrup with karamunting fruit color / karamunting syrup of the color of most of the neutral panelists (score 4.3), as well as the scent (score 4.4), while the taste was favored (score 5.4), viscosity was  alsopreferred(5,4).
Effectiveness of Sintetic Retardan on Growth and Display Period of Sunflower (Hellianthus annus L.). Imam Suhadi, Nurhidayati, Bona AS .
Agrifor : Jurnal Ilmu Pertanian dan Kehutanan Vol 16, No 2 (2017): Oktober
Publisher : Universitas 17 Agustus 1945 Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31293/af.v16i2.2904

Abstract

The aims of research are to know the effects of Sintetic Retardanon the growth of sunflower and determine the effectivenessof Sintetic Retardan on the growthand display period of sunflower. This research was conducted in experiment land of STIPER Kutai Timur from November 2016 to March 2017, used a Completely Randomize Design with 4 treatments and 6 replications. The material of  Sintetic Retardan is paclobutrazol. The treatment consisted of (P0)0 ppm, (P1) 40 ppm, (P2) 50 ppm, (P3) 60 ppm. The results showed that  paclobutrazol gave significant effect to the growth of sunflower on parameter hight of  plant and diameter of stem but not significant on number of leaves. Concentrate 50 ppm of paclobutrazol showed more effectiveness than others on the growth and the display period.
Microfuel Inventory And Its Potential As Biofertilizer And Agensia Biological Controller On The Land Of Coal Mine Reclamation In Samarinda Rosfiansyah, Sopialena, Surya Sila .
Agrifor : Jurnal Ilmu Pertanian dan Kehutanan Vol 16, No 2 (2017): Oktober
Publisher : Universitas 17 Agustus 1945 Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31293/af.v16i2.2909

Abstract

The fungus in the soil naturally has a role to maintain soil function, to control its productivity and play a role in the biological control of plant-disturbing organisms. This study aims to determine the diversity of micro fungi as well as their potential as biofertilizer and biological control agents in the reclamation field of coal mines in Samarinda. This research is a descriptive research. The research was conducted in the reclamation field of coal mine of PT. CEM (Cahaya Energi Mandiri) Tanah Datar Samarinda. The research results show that there are 6 genus on 9 month reclamation field ie Fusarium, Massarina, Humicola, Rhizoctonia, Blastomyces, and Pythium. 15 genus of fungi on the 24-month reclamation field ie Mortierella, Humicola, Penicillium, Pythium, Aspergillus, Trichoderma, Blastomyces, Fusarium, Anixiella Verticillium, Gliocladium, Entomophaga, Metarhizium, Mucor, Chloridium. All genera have a role in the soil biofertilizer process, except for the unknown genus Anixiella. There are 3 genera that have the role as an insect pathogen that can be utilized in plant pest control Fusarium, Entomophaga and Metarhizium. There are 2 genera that have antagonistic role in biological control of plant disease pathogen namely Gliocladium and Trichoderma.
The Role of Farmer Group On Application the Sapta Usahatani Programs Lowland Rice Farming at Bunga Jadi Village, Muara Kaman District, Kutai Kartanegara Regency Fahrizal Fahmi, Siti Balkis .
Agrifor : Jurnal Ilmu Pertanian dan Kehutanan Vol 16, No 2 (2017): Oktober
Publisher : Universitas 17 Agustus 1945 Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31293/af.v16i2.2899

Abstract

The purpose of this research  was to know of the role of farmers group in the implementation of Sapta Usahatani Programs lowland rice farming by farmers in the Bunga Jadi Village, Muara Kaman District, Kutai Kartanegara Regency.  The method sampling that used is proportional stratified random sampling method with the number of respondents 41 families (KK). This research use chi kuadrat (X2) analysis method, who the first variable is he role of farmer groups and the second variable  is the level of implementation of Sapta Usahatani programs,Based on the research results, it can be concluded that a group of farmers in Desa Bunga Jadi it has been classified as farmer groups are quite advanced, it is seen from the data obtained both for planning element, the element of dooperation in implementing the plan, as wele as elements of the development and utilization of facilities belonging to the group, initiatives and agreements as well as elements of the groups, already implemented in the high category.  Except on the elements of teaching and learning is still in the moderate category.  Implementation of the program Sapta Usahatani lowland rice from 7 element have been categorized held on high criteria, namely the use of improved seed, tillage, fertilization, pest and disease control, irrigation, and post harvest handling.  Except on the elements of marketing activity results which are still in the moderate category in the village of Bunga Jadi, who X2 count of 11,16 compared with 9,49 X2 table.  The results showed that farmers group have role of very effective to the implementation of Sapta Usahatani program lowland rice farming in Bunga Jadi Village.  
A Comparative Analysis of Fuzzy Clustering and K-means Clustering for 15-day Rainfall Datain DIY Province. Joko Suryanto
Agrifor : Jurnal Ilmu Pertanian dan Kehutanan Vol 16, No 2 (2017): Oktober
Publisher : Universitas 17 Agustus 1945 Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31293/af.v16i2.2905

Abstract

This study aimed to compare performance two clustering methods (fuzzy c-means and K-means) on the basis validity index. The study used daily rainfall data for twenty five years (1985 to 2009) from 22 stations covering the DIY Province. PCA is used to reduce number 15-day rainfall variables and transform into new variable. Four validity index clustering: Xie-Beni index (XB), sum squared error (SSE), silhouette (Si) and standard deviation ratio (Sw/Sb) are used for compare performance of two clustering methods. The optimal number of cluster is determined using XBindex, and result SSE, Si and ratio (Sw/Sb) are compared to find appropriate clustering algoritms to 15-day rainfall data. The study results showed that the first 4 PCs explains more than 82 % of total variance, than are used for data input in fuzzy c-means and K-means algorithms. The optimal number clusters according XB index are sixand five forK-means and FCM methode, respectively.The average ratio Sw/Sb K-means methode (0.243) was smaller than fuzzy c-means methode (0.289). The Silhouette dan SSE index are 0.46 and 76, 0.24 and 254 for K-means and FCM respectively. The result indicated that K-means methodeto be better than fuzzy c-means for clustering 15-day rainfall data in DIY Province.
The Effect of Giving Cow Manure and NPK Mutiara 16:16:16 Fertilizer on the Growth and Production of Lectuce (Lactuca sativa L.). Rurin Ernawati, Noor Jannah, Akas PS .
Agrifor : Jurnal Ilmu Pertanian dan Kehutanan Vol 16, No 2 (2017): Oktober
Publisher : Universitas 17 Agustus 1945 Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31293/af.v16i2.2910

Abstract

The purpose of the research was to know the effect of cow manure and NPK Mutiara 16:16:16 fertilizer also the interaction for growth and production of the lectuce and to know the best dosage from cow manure and NPK Mutiara 16:16:16 from growth and production of lectuce.The research was conducted from April to June 2016, growing media until crops, and the experiment was carried in Mekar Jaya, Sumber Sari Village, Sebulu Subdistric of Kutai Kartanegara Regency, East Kalimantan Province. The research is using Randomized Block Design (RBD) which uses analysis factorial  4 x 4 and 3 replication. The first factor is application of cow manure (K) which consist of 4 levels dosage : without cow manure or control (k0), dosage cow manure 5 ton//ha or equa 25 g/polybag (k1), 10 ton/ha or equal 50 g/polybag (k2), 15 ton/ha or equal 75 g/polybag (k3) and the second factor is the NPK Mutiara 16:16:16 fertilizer (P) consisting of 4 levels : without NPK fertilizer (p0), dosage NPK 150 kg/ha or equal 0,75 g/polybag (p1), dosage NPK 300 kg/ha or equal 1,5 g/polybag (p2), dosage NPK 450 kg/ha or equal 2,25 g/polybag (p3).The result of the research showed that treatment of cow manure (K) significant effect plant height 21 days after planting, number of leaves 14 days  and 21 days after planting. And then significantly a effect plant height 14 days and 28 days after planting, number of leaves 28 days after planting and fresh weight of the crop per plant. The highest fresh production obtained in treatment provision cow manure 75 g/polybag. or 15 ton/ha (k3) is 64,80 g/plant and the lowest fresh production obtained in treatment provision cow manure (k0) is 37,78 g/plant.Result of the research showed that application of NPK Mutiara 16:16:16 fertilizer doesn’t significant effect on height plant 14 days and 21 days after planting, number of leaves 14 days and 21 days after planting. Significant effect with plant height 28 days after planting And significantly effected plant height 28 days after planting and fresh weight of the crop per plant. The highest fresh production obtained in treatment provision dosage NPK fertilizer 2,25 g/polybag or 450 kg/ha (p3) is 59,94 g/plant and  the lowest fresh production obtained in treatment provision without NPK Mutiara 16:16:16 or control (p0) is 45,29 g/plant.Interaction treatment of cow manure and NPK Mutiara 16:16:16 fertilizer doesn’t  have significant effect plant height 14 days and 21 days after planting, number of leaves at age 14 and 21 days after planting. The significant effect with number of leaves 28 days after planting. Significantly effected plant height 28 days after planting and  fresh weight of the crop per plant. The highest fresh weight of the crop is the treatment k3p3 (dosage cow manure 15 ton/ha and dosage NPK Mutiara 16:16:16 fertilizer 450 kg/ha), is 80,86 g/plant, and the lowest fresh production treatment is k0p0 (control treatment) is 38,60 g/plant.
The Influence of Cow Manure and Super Natural Nutrition Liquid Organic Fertilizer on the Growth and Results of Sweet Corn (Zea mays saccharata Sturt.) Honey Varieties Gregorius Galu, Hery Sutejo, Legowo K .
Agrifor : Jurnal Ilmu Pertanian dan Kehutanan Vol 16, No 2 (2017): Oktober
Publisher : Universitas 17 Agustus 1945 Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31293/af.v16i2.2900

Abstract

The purpose of this research is to know the effect of organic cow manure of super natural nutrition on the growth and yield of sweet corn plant, and also to know the concentration of liquid organic fertilizer super natural nutrition to get maximum result.Place of study in Farmers Group Sumber Rezeki, Mekar Village Susuk Luar, Sandaran District, East Kutai Regency. The study was conducted in February 2016 until June 2016. The study used factorial analysis 4 x 4 and arranged in Randomized Block Design (RAK), with 3 groups (blocks). The research consisted of 2 factors of treatment, namely: Factor I is Type Cage Manure Cow (P), consist of 4 level, that is: without cow manure or control (p0), dose of fertilizer 2.5 ton / ha equal 1 kg / plot plants (p1), doses of 5 ton / ha equivalent of 2 kg / plot of plant (p2), and fertilizer dose 7.5 ton / ha equal 3 kg / ha (p3). Factor II is the Dosage of Super Natural Nutrition (N) Organic Liquid Fertilizer, consisting of 4 levels, namely: without organic fertilizer SNN liquid or control (n0), concentration 1 ml / l.air (n1), concentration 2 ml / l.air (n2), and a concentration of 3 ml / l.air (n3).The results showed that cow manure was very significant effect on plant height 15 days, age 30 days and age 45 days after planting, length of tuna, cob diameter and cob production per hectare. No significant effect on the age of male and female flowers. The heaviest cob production was found in the treatment of p3 (fertilizer dose 7.5 tons / ha), ie 7.04 tons / ha, the lightest was in the treatment of p0 (control treatment), ie 6.49 tons / ha.The treatment of liquid organic fertilizer SNN has very significant effect on plant height aged 15 days, age 30 days and age 45 days after planting, length of cob, diameter of cob and cob production per hectare. No significant effect on the age of male and female flowers. The heaviest cob production was found in the treatment of n 3 (concentration 3 ml / l.air), ie 6.55 ton / ha, the lightest was in treatment n0 (control treatment), ie 6.49 ton / ha.Treatment interaction had significant effect on plant height 15 days after planting. No significant effect on plant height aged 30 days and age 45 days after planting, age out male and female flowers, length of cob, diameter of cob and cob production per hectare. 
Morphological and Anatomical Characteristics of Herbaceous Plant Leaves in Different Light Intensities in Education Forest of Forestry Faculty of Mulawarman University Karyati, Jhen Rio R, Muhammad S .
Agrifor : Jurnal Ilmu Pertanian dan Kehutanan Vol 16, No 2 (2017): Oktober
Publisher : Universitas 17 Agustus 1945 Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31293/af.v16i2.2906

Abstract

This study objective was to know the morphological and anatomical characteristics of dominant herbaceous plant leaves in different light intensities. Three selected study sites represented heavy, moderate, and few light intensities. The vegetation survey was done for all herbaceous plants in 10 quadrants of 2 m × 2 m in three research locations. The analysis on morphological and anatomical characteristics was done for leaves of five dominant species in the study sites. The morphological characteristics of herbaceous plant leaves in heavy, moderate, and few light intensity were for leaf length 22.1; 25.5; 20.0 cm and leaf wide 6.0; 5.8; 5.0 cm. The anatomical characteristics of herbaceous plant leaves in heavy light intensity were average number of chlorophyll 44.5; stomata length 32.60 µm, and stomata wide 25.84 µm; in moderate light intensity were average number of chlorophyll 51.6; stomata length of 27.79 µm, and stomata wide 24.36 µm; and in few light intensity were average number of chlorophyll 49.1; stomata length 28.36; and stomata wide 23.82 µm
Infiltration Rate at Several Land Cover in Sangkulirang-Mangkalihat Karst Area of East Kutai Regency. Sri Sarminah, Indirwan .
Agrifor : Jurnal Ilmu Pertanian dan Kehutanan Vol 16, No 2 (2017): Oktober
Publisher : Universitas 17 Agustus 1945 Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31293/af.v16i2.2911

Abstract

This study aims to determine the rate of infiltration in some land cover and soil physical properties in Sangkulirang-Mangkalihat Karst Area in Sekerat Village, Bengalon, East Kutai Regency. Infiltration rate measurements were made using Double Ring Infiltrometer with three repetitions at several land cover ie semak belukar, secondary forest and Karst area. Soil physical analysis includes bulk density, total pores,soil moisture content, soil texture and soil structure. The results showed that the average infiltration rate of 724.44 mm / hour (Very Fast), secondary forest 259.88 mm / hour (Very Fast) and karst land of 93.07 mm / hour (Fast ). The result of laboratory analysis of soil physical characteristic that is bulk density is 1.07 g / cm3, total pores 39.65%, soil moisture content 3,112%, sand soil texture and single grain ground structure; secondary forest obtained bulk density 1.26 gr / cm3, total pores 34.63%, soil moisture content 11.994%, clay soil texture and granular soil structure and in karst land obtained bulk density 1.27 gr / cm3, total pore 34, 27%, soil moisture content 18.457%, clay soil texture and granular soil structure.

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