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Charly Mutiara
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Agrica: Journal of Sustainable Dryland Agriculture
Published by Universitas Flores
ISSN : 27156613     EISSN : 27154955     DOI : https://doi.org/10.37478/agr
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Chemistry
Agrica: Journal of Sustainable Dryland Agriculture is a journal that presents a platform for sharing knowledge in science and technology related to Sustainable Dryland Agriculture. Its studies are agronomy, pest and plant diseases, soil science, agricultural conservation and ecology, organic farming, agrobiodiversity, agrotourism, permaculture covering the economic aspects of dryland sustainable agricul¬ture (agribusiness, agricultural socio-economic,, agroindustry), agricultural diversification, land and water conservation, agricultural climate, food security, animal welfare concept, mechanization, science and food technology in a dryland environment.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 267 Documents
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PENGARUH DOSIS PUPUK ORGANIK CAIR TERHADAP PERTUMBUHAN DAN HASIL TANAMAN TERUNG (Solanum melongena L.) Yustina Maria Silvia Wonga Puu; Elias Nong Sina
AGRICA Vol. 5 No. 2 (2012): December
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v5i2.451

Abstract

This research aimed to know the effect and optimum rates of liquid organic fertilizer on the growth and yield of Eggplant. The research used Randomized Block Designconsisted of 5 rates of liquid organic fertilizer;(M0 = control/without fertilizers, M1 = 1 liters ha-1, M2 = 1 ha-2 litres, M3 = 3 liters ha-1, M4 = 4 liters ha-1). The observed variable is the height of plants, number and leaf area, length of fruit, fruit diameter, number of fruit, the weight of fruit per plant, weight of fruit per hectare, fresh residues per plant, and fresh residues per hectare and harvest index. The result of experiment showed the rates of liquid organic fertilizer effect on percentage of the growth and yield of eggplant; they are; height of plants(6,22%), leaf number (28,20%), leaf area (29,58%), length of eggplant (43,11%), eggplant diameter (9,00%), number of eggplant (22,03%), weight of eggplant per plant (25,62%), weight of eggplant per hectare (16,70%), fresh residues per plant (28,58%), residues per hectare (34,93%), and harvest index (53,91%). Optimum rates of liquid organic fertilizer which effect on the growth and yield of eggplant are about 4 litre ha-1.
KANDUNGAN FOSFOR DAN KADMIUM PADA TANAH DAN BERAS SERTA RISIKO KADMIUM BAGI KESEHATAN PENDUDUK DI KELURAHAN TARUS Yovita Yasintha Bolly
AGRICA Vol. 5 No. 2 (2012): December
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v5i2.452

Abstract

This research was conducted in Tarus Village, Kupang regency, in May until June 2013, to find out the amount of phosphorus and cadmium content in the soil of rice, and to compare the Cd with a threshold concentration of Standard National Indonesia 7387:2009, as well as to predict the magnitude of the risk to the health. This research is descriptive experimental design with 12 samples of soil and rice. Levels of soil–available P is analyzed using the methods of Olsen, whereas, the levels of Cd from the soil and rice are analyzed in the laboratory with the method of analysis of heavy metals in soils and plants, set by Hall of geochemical soil, the Ministry of agriculture. The results of the analysis of land-available Pranging from low – high, but it is not the only deciding factor the amount of Cd in soil and rice. Laboratory analysis results towards rice Cd, shows there are six samples that undetectable levels of Cd, six other samples detected and then described the risk once compared with the standard quality raw and analysis of health risks. The results of the analysis of the levels of Cd shows all rice samples were still below standard quality raw i.e. 0,4 mg kg-1. Risk analysis indicates that there are two samples of rice produced from the paddy fields are not safe for consumption for the duration of 30 years. While the four other samples were a risk for the duration of the 60 years.
PENGARUH JARAK TANAM TERHADAP PERTUMBUHAN DAN HASIL TANAMAN SAWI PAK CHOI (Brassica rapa) Emilia S.A. Wangge; Imanuel Sedi Benu
AGRICA Vol. 5 No. 2 (2012): December
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v5i2.453

Abstract

This study aims at determining the impact of planting distance on the growth and yield of Pak Choy and determining the optimal distance that can optimize the growth and yield of Pak Choi. This study employed group random design with 6 treatments of planting distance, namelyJ1 = 20 cm x 25 cm, J2 = 20 cm x 20 cm, J3 = Planting distance 20 cm x 15 cm, J4 = Planting distance 20 cm x 10 cm, J5 = 10 cm x 15 cm, J6 = 10 cm x 10 cm.Each treatment was repeated 4 times so that there were 24 specimen garden-beds. It is found out that planting distance did not have any impact on plant height, the width of leaves, and numbers of leaves at age of 10–20 days after planting, whereas there was an impact on plant age of 25–35 days after planting on plant height of 15.59 cm, a number of leaves of 9.17 cm, the width of leaves of 52.28 cm and fresh Pak Choy weight of 148.4g per plant, fresh weight per ha 1204.43 ha.
SIFAT FISIKO-KIMIA DAN ORGANOLEPTIK CAKE HASIL SUBSTITUSI TEPUNG TERIGU DENGAN TEPUNG SUWEG Jenny E. R. Markus; Yuliana Tandi Rubak; Handy Tomasoei
AGRICA Vol. 5 No. 2 (2012): December
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v5i2.454

Abstract

This research was conducted in the Seed Technology laboratory and Laboratory of Microbiology, Faculty of Agriculture, University of Nusa Cendana, Kupang, which lasts from September to December 2013 with aims to investigate the influence of substitution of wheat flour with flour suweg the physicochemical properties and organoleptic cake. This study used a completely randomized design (CRD) with 5 treatments, namely substitution suweg flour to wheat flour: 0%, 10%, 20%, 30% and 40%. The parameters analyzed were proximate, softness, porosity, degree of development, test organoleptic colour, flavour, aroma, and texture. Organoleptic data obtained from the 20 panellists and subsequently analyzed by Friedman test, while ANOVA test if there is a real effect then tested further by using DMRT. The results showed that the substitution of different flour suweg provides a very significant effect on water content, fat, ash content, protein, carbohydrate esandtenderness cake. Based on the results of the organoleptic test, cake with flour substitution suweg the colour, aroma and taste of a real significant show, panellists liked the cake substitution suweg 40%, while the texture, the panellists still like to substitution of 40% flour suweg, an assessment of the texture with the highest scores on substitution treatment 10% flour suweg. Organoleptic test and Friedman test results it can be concluded that the cake treatment received a positive response from the panellists was a cake with 40% flour suweg treatment with a total of 66 rankings for colour, aroma as a total ranking of 68, and for a sense of the total ranking of 74. Similarly, some a score on the cake substitution acceptance panellists ranged from 3,1 to 3,4 and the obtained cake was elected with 40% substitution treatment suweg flour.
Pengaruh Dosis Pupuk Kandang Ayam Terhadap Pertumbuhan Dan Hasil Ubi Jalar (Ipomea batatas L) Varietas Cilembu Aksameri Dolmo; Imaculata Fatima; Yustina Maria Silvia Wonga Puu
AGRICA Vol. 4 No. 2 (2011): December
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v4i2.455

Abstract

The study aims at determining, firstly, the effect of chicken manure dose on the growth and crop result of sweet potato (Ipoma batatas), Cilembu Variety, secondly, determining the optimum dose of chicken manure which can lead the best of growth and yield of sweet potato (Cilembu variety). The method used at this research is completely randomized design, and the treatments are K0 (non-fertilizer), K1 (dose of 10 tons/ha), K2 (dose of 20 tons/ha), K3 (dose of 30 tons/ha). Observation variables in this study are the length of the rod, number of leaves, leaf area, number of wet bulb per plant, berangkasan weight, wet weight of bulb per plant, length of the bulb, the diameter of the bulb, and weight of wet bulb per hectare. The result of this research indicates that the giving of chicken manure, giving a good influence at the growth and yield of Cilembu sweet potato and real affect long stem at the age of 2, 6, and 8 mst of age, and wide leaf index at age 2, 4, and 6 mst. Production components have significantly affected for berangkasan weight, wet weight of bulb per plant, length of the bulb, the diameter of bulb and weight of wet bulb per hectare. The optimum dose of chicken manure was obtained with a dose of 20 tons per hectare which can raise the growth of stem length of Cilembu Sweet Potato (80,85 cm) and the crop of Cilembu sweet potato (731, 72 kg/ha).
Studi Keragaman Mesofauna Tanah Pada Beberapa Vegetasi Di Kawasan Taman Nasional Kelimutu Fendra Suarmadi; Sri Wahyuni; Willybrordus Lanamana
AGRICA Vol. 4 No. 2 (2011): December
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v4i2.456

Abstract

The goal of this research was to understand the diversity of soil mesofauna native to different plant habitats in the area of Kelimutu National Park and to understand how the dominant soil mesofaunal populations vary depending on vegetative diversity. This research was conducted in a number of different vegetation habitat zones according to the intensity of land use in the area of Kelimutu National Park and in the laboratories at the University of Flores in the city of Ende. This research was designed in a linear method and sampled vegetation from areas labelled VR (Vacciniumvaringiaefoliumdan Rhododendron renschiamum), VCa (mixed forest) and VC (coniferous forest). The results of this research show that the area near Kelimutu National Park contains low to medium diversity. Low diversity was observed in areas with vegetation VR with5 types of soil mesofauna (H’:1.153) whereas medium diversity was observed in areas with vegetation VCa, with researchers finding 7 types of soil mesofauna (H’:1.771). Six types of soil mesofauna were found in areas with vegetation type VC (H’:1.727). Vegetative diversity was found to be linked to the increasing dominance of soil mesofauna in the area of Kelimutu National Park. The highest value of vegetative diversity was (H’:1.821), found in area VCa with the dominance of soil mesofauna (E:0,85). For area VR, the vegetative diversity was (H’:1,771) with a dominant soil mesofauna value of (E:0.72) and for vegetation VC the vegetative diversity was (H’:0.861) with dominant soil mesofauna value of (E: 0,28).
THE EFFECTS OF SALT ON BREAD: TECHNOLOGICAL CONSIDERATIONS FOR REDUCED SALT LEVELS Helen Tuhumury
AGRICA Vol. 4 No. 2 (2011): December
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v4i2.458

Abstract

Salt is a dietary mineral composed primarily of sodium chloride. These two components of salt are an essential nutrient for humans with important functions in regulating the extracellular fluid volume and the active transport of molecules across cell membranes. However, having too much salt in the diet increases the risk of health problems. High sodium intake is positively correlated with the level of blood pressure. Therefore, it is necessary to consume food with reduced salt content. Salt has been used as a food preservative that kills or limits of foodborne pathogens and spoilage organism by decreasing water activity. Salt also has functions in foods by adding flavour and masking bitter tastes, controlling the growth of yeast and strengthening the dough network and gas retention of the dough. Reducing salt content in processed food especially for bread-based products is one of the greatest ongoing challenges facing food manufactures. It also has been difficult to reduce or remove salt or sodium chloride from bread since salt is one of the four essential ingredients in bread. Reducing salt level from 1.2% does not significantly affect dough rheological properties and bread-making quality. However, the omission of salt entirely leads to a significant reduction in the dough, bread quality and its palatability.
The Causes and Effects of Tropical Deforestation Leslie Campbell
AGRICA Vol. 4 No. 2 (2011): December
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v4i2.459

Abstract

Tropical rainforest deforestation is a major problem in many tropical regions and can have major impacts on system ecology and long term soil productivity. This paper examines the trend of increased colonization of tropical rainforest regions and the resulting effects on long term natural system productivity in these areas. It also explores the impact of conventional agricultural practices, the majority of which were developed in temperate climates, when employed in a tropical context. International trends in the consumption of imported tropical wood and rainforest products are also suggested as a major culprit for increased tropical deforestation. Reduction in international rainforest product consumption and greater awareness on the part of Western consumers as to the impacts of tropical deforestation are suggested as potential solutions to reduce this problem.
Optimalisasi Penggunaan Kirinyu (Chromolaena odorata) Sebagai Sumber Bahan Organik Dalam Peningkatan Produksi Wortel (Daucus carota) Murdaningsih Murdaningsih
AGRICA Vol. 4 No. 2 (2011): December
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v4i2.460

Abstract

The aim of this study was to understand the benefits of ‘kirinyu’ as a resource of organic matter in the growth and production of carrots and determine the optimum quantities required. The study used a random group design method using K0 (without kirinyu), K1 (kirinyu 5 ton/ha), K2 (kirinyu10 ton/ha), K3 K3 (Kirinyu 15 ton/ha), and K4 (Kirinyu 20 ton/ha). The variables measured in this study were; plant height, the total number of leaves, length of tubers, the diameter of tubers and weight of fresh tubers per plant per plot and per ha. The results of this study indicate that the use of ‘kirinyu’ as a source of organic matter has a definite influence in the plant height in the ages of 4 MST, 8 MST, 10 MST, 12 MST, and total leaves in the ages of 6 MST, 8 MST. Also, it influences the length of tubers, the weight of tubers per plant per plot and per ha. It was determined that optimum growth of carrots; that is plant height (32.51 cm) total leaves (5.78 cm) length of tubers (10.71 cm) was attained with the use of 20 ton/ha weight of fresh tubers per plant (48.19 grams), per plot (7,93 kg) and per ha (21089,29 kg).
INVENTARISASI DAN IDENTIFIKASI HAMA DAN PENYAKIT UTAMA TANAMAN JAGUNG (Zea mays L.) Emanuel Randy Dhena; Yustina Maria Silvia Wonga Puu
AGRICA Vol. 4 No. 2 (2011): December
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v4i2.461

Abstract

This research was carried out in order to understand the main types of pests and diseases that affect corn, which types are most dominant and to understand the severity of these main diseases in corn. Observation of variables involved the identification of pests and diseases that attacked corn plants, the diversity of these pests and diseases as well as the intensity of the damage caused by these pests and diseases. The results of this research showed that the main type of pest and disease that attacks corn are, among others: seedling flies (Atherigonasp), grasshoppers (Oxyasp), corn stalk drillers (Ostrineafurnacalis) and leaf rust. The most dominant type of pest or disease were grasshoppers (Oxyasp) which attacked plant leaves. The seriousness of an attack by a pest or disease was found to be important in the seedling phase, there are many variations in between species of corn and also developed with the age of the corn. At 12 days after planting, the incidence of insect attack was0.2% and at 33 days and 54 days after planting it was 0.32-0.47%. Whereas for disease, when observed at 33 and 54 days after planting, the average incidence of disease attack was 0.05-0.23%. Also, when observed at 61 days and 75 days, the incidence of attack rose to 0.32-40%.

Page 10 of 27 | Total Record : 267

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