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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 8 Documents
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Search results for , issue "Vol. 15 No. 2 (2022): December" : 8 Documents clear
IDENTIFIKASI SIFAT KIMIA TANAH DAN TINGKAT KESUBURAN TANAH PADA LAHAN BERA DI DESA WOLOKELO KECAMATAN KELIMUTU KABUPATEN ENDE Imaculta Fatima; Fransiskus Tobias Udu; Charly Mutiara
Agrica: Journal of Sustainable Dryland Agriculture Vol. 15 No. 2 (2022): December
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v15i2.2187

Abstract

The fallow system is a system of restoring soil fertility by leaving the soil uncultivated. Almost all traditional farming systems practice the fallow system. This study aims to determine the chemical properties of the soil and the level of soil fertility on Bera land in Wolokelo Village. Research with this exploratory method, sampling the soil on the vegetable field without using the fallow period, the fallow period is 5 years and the fallow period is 10 years. The study was conducted from July to October 2020. The variables observed were soil pH, C-Organic, P2O5, K2O, CEC, and KB. The variables that have been analyzed are described by comparing the criteria for soil chemistry and soil fertility from the Bogor Soil Research Center. The results showed that the chemical properties of soil on fallow and non-fallow horticultural lands for C-organic soil elements were 4.50% -4.12%, total soil N ranged from 0.76%-0.72%, soil P ranged from 0.76% to 0.72%. between 77.18-72.20, the K element in the soil in Wolokelo Village ranged from 1.06-1.09 me/100g, the CEC element ranged from 39.27-33.77me/100g, the soil KB ranged from 80.87 %-80.31%, and soil pH ranged from 6.15-6.08. While the criteria for soil fertility on fallow land in Wolokelo Village are classified as moderate.
ANALISIS KELAYAKAN DAN STRATEGI PENGEMBANGAN USAHA PUPUK KOMPOS MEREK KETAPA DI DESA RANDOTONDA KABUPATEN ENDE Willybrordus Lanamana; Laurentius Dominicus Gadi Djou; Yohanes Kristono Fowo; Yohanes Pande
Agrica: Journal of Sustainable Dryland Agriculture Vol. 15 No. 2 (2022): December
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v15i2.2229

Abstract

This study aims to analyze the feasibility of the KETAPA brand compost business, and formulate a development strategy. The research was conducted on farmer groups and livestock groups in Randotonda Village, Ende Regency. Labor involved in production and marketing activities 10 people. This research is a population research. The analysis used is the R/C ratio, B/C ratio, ROI and SWOT. The results of the analysis show that the KETAPA brand compost business is feasible; R/C ratio > 1, the value of B/C ratio, 0.25 means that each production cost is Rp. 100 profits earned Rp. 25. The value of ROI is 26%, the amount of return on investment (ROI) is in the pretty good category. Based on the SWOT analysis, the choice of development strategy is a progressive strategy or SO strategy. Activities include:; building promotion and marketing networks with farmer groups, GAPOKTAN and Field Extension Officers in all districts as well as conducting online marketing
ANALISIS SIFAT FISIK TANAH PADA BEBERAPA PENGGUNAAN LAHAN DI DESA MUNERANA KECAMATAN HEWOKLOANG KABUPATEN SIKKA Yovita Yasintha Bolly; Henderikus Darwin Beja
Agrica: Journal of Sustainable Dryland Agriculture Vol. 15 No. 2 (2022): December
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v15i2.2256

Abstract

Soil's physical properties greatly affect the development and absorption of plant nutrients. This study aims to determine the physical properties of the soil on several land uses and slopes using the blepeng method. Soil collection was carried out from corn, nutmeg, cloves, and rainfed rice fields on two slope classes, namely 8-15% and 15-30%. Soil sampling used a diagonal system, where 9 sample points were taken from each location. The variables observed were bulk density, porosity, soil water content, soil texture and soil color. The results of the research show that the soil in Munerana Village, Hewokloang District, Sikka Regency is included in the texture of sandy loam soil, the low water content in the soil ranges from 14.87% to 25.50%, soil porosity is 25.66% to 29.12%, soil fill density is 1.17 me/100 g to 1.97 me/100 g and the soil color is dark reddish gray.
RESPON TANAMAN JAGUNG PULUT (Zea mays ceratina Kulesh) AKIBAT BERBAGAI DOSIS PUPUK NPK PHONSKA DAN JARAK TANAM ANTAR BARIS Yohanes Kristono Fowo; Josina Irene Brigetha Hutubessy; Elisebet Ndae
Agrica: Journal of Sustainable Dryland Agriculture Vol. 15 No. 2 (2022): December
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v15i2.2311

Abstract

Waxi corn, which is included in the cereal plant group, is a food source for meeting the needs of life and has an important role in fulfilling community nutrition. Efforts to increase production that include quantity and quality can be made by applying NPK phonska fertilizer and spacing out planters to minimize the occurrence of competition. The study was to obtain the interaction caused by various doses of NPK phonska dose with different spacings on maize plants and to obtain the optimum dose of NPK phonska and ideal spacing to produce the optimum pulut maize plant. Using a factorial randomized block study design (RAKF)consisting of two treatment factors, each combination was repeated 3 times. Phoska NPK treatment consists of three levels (P1:50; P2:100 and P3:150)kg/ha, While the spacing treatment includes (J1: 50x 40; J2: 60x40 and J3: 70x40) cm. Data is collected non-descriptively. level F test5% to go to treatment. The interaction effect is based on Duncan's 5% test and LSD 5% test for a single treatment difference phonska test on the variable length of cropping cobs and yield hectare with a percentage increase of 15,19% and 28,33% respectively, the single treatment of plant spacing had a significant effect on the variable cob weight cropping weights 33,73%.
POTENSI PENGENDALIAN HAYATI HAMA SPODOPTERA FRUGIPERDA UNTUK KEBERLANJUTAN PRODUKSI JAGUNG Yustina Pu'u; Syatrawati
Agrica: Journal of Sustainable Dryland Agriculture Vol. 15 No. 2 (2022): December
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v15i2.2313

Abstract

The armyworm Spodoptera frugiperda, which damages corn plants, is one of the invasive pests. The armyworm S. frugiperda damages corn plants by eating leaf tissue from one side so that the remaining epidermal tissue then makes holes in the leaves and eats from the edge of the leaf to the inside, which causes perforation in the leaves. Control efforts using insecticides have not been practical due to the feeding behaviour of the second and third instar larvae that settle on the inside of the leaves under protected conditions. Therefore, it is necessary to carry out other control techniques that can suppress the development of environmentally friendly S. frugiperda by considering economic and ecological aspects, namely biological control. Biological control optimizes the role of natural enemies as biological control agents in efforts to manage pest populations which are part of the chain in agroecosystems. Utilization of natural enemies, parasitoids, predators, and pathogen, can suppress the development of the S. frugiperda pest in corn, reducing the use of synthetic pesticides. Natural enemies of S. frugiperda include the egg parasitoid Telenomus sp. and Trichogramma sp.; larva parasitoid Glyptapanteles creatonoti (Viereck), solitary larval parasitoid Campoletis chlorideae Uchida, and parasitoid larvae of the order Hymenoptera: Ichneumonidae: Ichneumoninae and G. creatonoti. as well as an entomopathogenic species, Nomuraea rileyi (Farl.) Samson. Natural enemies can control S. frugiperda pests to save sustainable maize yields based on the basic principles of sustainable agriculture models. Agroecological steps are taken to reduce the population of S. frugiperda in corn plants by:/ (1) sustainable management of soil fertility, primarily actions that maintain or store soil organic carbon; (2) intercropping with properly selected companion plants; and (3) diversification of the agricultural environment through the management of (semi) natural habitats at various spatial scales.
IDENTIFIKASI FUNGI MIKORIZA ARBUSKULA PADA AREAL TANAMAN PERKEBUNAN DAN HORTIKULTURA DI DESA PEMO KELIMUTU Mardiah Sarah; Donatus Rendo
Agrica: Journal of Sustainable Dryland Agriculture Vol. 15 No. 2 (2022): December
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v15i2.2303

Abstract

Arbuscular mycorrhiza fungi (FMA) can be found in almost all types of soil. FMA symbiosis can increase plant growth, water absorption, and nutrients such as nitrogen, phosphorus, and other micronutrients. It also can increase resistance to water stress, reduce the level of pathogenic attacks and increase growth booster hormones. The purpose of this study was to identify the type of FMA in several areas of plantation and horticultural crops in Pemo Village. The results showed that a total of 1004 spores were found consisting of two types of FMA, namely the genus of glomus as many as 788 spores, and 216 spores from the genus acaulospora. The planting area that has the highest number of spores is horticultural planting, which is 336 spores. Characteristics of dominant dominant spores of oval and brown.
ANALISIS VEGETASI GULMA PADA PERLAKUAN OLAH TANAH TANAMAN UBI KAYU NUABOSI Maria Tensiana Tima; Putri Titin Safarni; Sri Wahyuni
Agrica: Journal of Sustainable Dryland Agriculture Vol. 15 No. 2 (2022): December
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v15i2.2309

Abstract

The growing weeds in cassava plants are unwanted because it negatively inhibits growth and reduces tuber production in cassava. This research aims to determine differences in the types and populations of weeds in the treated and fallow soil treatment. This study used the proportion sampling method by calculating the number of weed species found in cassava plantations, separating each weed found according to the plot, identifying the types of weeds obtained, and recording the data in a table of the number and density of weeds. This research shows that the population and types of weeds have different amounts between the treated land treated and the treated fallow land. The highest weed population was found at the treatment of fallow land with clover weed (Trifolium repens) of 1,462. In the tillage treatment, the highest weed population yield was found in the bandotan weed (Ageraum conyzoides) with a total population of 269. Based on observations, cassava plants on processed land had better development compared to cassava development on fallow land treatment.
APLIKASI EKSTRAK Dioscorea hispidia PADA HAMA Pomacea speciosa DI PERTANAMAN PADI SAWAH Virgilius W.S Rovanda Putra; Sri Wahyuni
Agrica: Journal of Sustainable Dryland Agriculture Vol. 15 No. 2 (2022): December
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v15i2.2458

Abstract

The golden snail is a pest originating from the American continent and entering Asia as a food ingredient. Initially, these animals were used as ornamental animals and joined the rice fields through waterways. Even the golden snail is one of the main pests that attack rice plants. Utilization of gadung tuber is an alternative to controlling golden snails considering the abundant presence of gadung tuber and its toxic cyanide content. This study aims to determine the ability of gadung tuber extract to control golden snail pests, the concentration of gadung tuber extract is the best in controlling golden snail pests. The research method was arranged in a randomized block design, with 4 repetitions and 5 treatments at the yam tuber extract level, namely, G0 (0 g/5 l), G1 (3 g/5 l), G2 (6 g/5 l), G3 ( 9 g/5 l) and G4 (12 g/5 l). The application of gadung tuber extract was carried out 2 times, namely on rice plants aged 7 hst and 18 hst which were given by spraying on each research plot in the morning at 07.00-Wita. The results of the study showed that gadung tuber extract had activity as a contact, stomach, and systemic poison with the best dose being 3 grams/5 liters

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