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AGRIC
Published by Universitas Kristen Satya Wacana
ISSN : 08549028     EISSN : 25499343     DOI : https://doi.org/10.24246/agric.2023.v35.i1
Core Subject : Economy, Science, Agriculture, Social, Engineering,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Economics, Econometrics & Finance Social Sciences
AGRIC Journal of Agricultural Science is a peer-reviewed and published two times a year by Agriculture and Business Faculty of Universitas Kristen Satya Wacana. Agric journal publishes original articles on agronomy, horticulture, plant breeding, plant science, pest or diseases of plant, agriculture and food processing, food science, microbiology, biotechnology, agribusiness.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 197 Documents
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EFFECT OF BABANDOTAN WEED (Ageratum conyzoides L.) ON ANTIOXIDANT AND PATCHOULI OIL YIELD OF Pogostemon cablin (Blanco) Benth cv. Sidikalang Anggoro Priyatmoko; Sri Darmanti; Lilih Khotimperwati
Agric Vol. 35 No. 1 (2023)
Publisher : Fakultas Pertanian dan Bisnis, Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24246/agric.2023.v35.i1.p99-114

Abstract

Weed interference results in increased synthesis of reactive oxygen species (ROS). High accumulation of ROS causes oxidative stress and stimulates the activation of the antioxidant defense system in plants. Weed interference causes biotic stress in the form of allelochemicals and abiotic stress in the form of competition for plants which results in the inhibition of growth and development in plants. Ageratum conyzoides is an annual weed in plantations and can cause biotic and abiotic stress on surrounding plants. This study aims to determine the effect of A. conyzoides interference on antioxidant content in the form of total phenol and total proline in patchouli leaves [Pogostemon cablin (Blanco) Benth cv. Sidikalang] as well as the percentage of essential oil yield from P. cablin. The study was conducted with a Complete Randomized Design (CRD) with a single factor of A. conyzoides interference levels in as many as four treatments (0, 2, 4, 6 individuals of A. conyzoides per treatment). The results concluded that higher levels of A. conyzoides interference led to an increase in total phenol and total proline in P. cablin leaves, but decreased the percentage yield of P. cablin essential oil.
Karakteristik Morfologi Mutan Cabai Hias Hasil Irradiasi Sinar Gamma Zulfa Ulinnuha; Noor Farid; Imastini Dinuriah
Agric Vol. 35 No. 1 (2023)
Publisher : Fakultas Pertanian dan Bisnis, Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24246/agric.2023.v35.i1.p159-168

Abstract

Chili is used not only as a vegetable for consumption or a complement to dishes but also as an attractive ornamental plant to cultivate. One of the genetic enhancement efforts is through mutation induction with gamma rays. The aim of this study was to increase the genetic diversity of ornamental chilies by inducing gamma ray mutations. This research was conducted at BATAN (National Nuclear Energy Agency), experimental field and Plant Breeding and Biotechnology Laboratory, Faculty of Agriculture, Jenderal Soedirman University. The research was conducted from July to November 2022. The results showed that the LD50 value of gamma-ray irradiated chili seeds was 213.49 Gy, and there was an increase in the diversity of ornamental chili mutants. The color characteristic of mature leaves was purplish-green in the control plant, while the mutant turned purple on the upper and lower surfaces of the leaves. The character of the flower has not changed; that is, it remains purple, and the flower stalk remains upright. The stem pigment in control plants was a purple-green line, changed to purple in mutants. Mutant plant habitus changed to compact. These characters increase the aesthetic value of the ornamental chili mutant.
ICE CREAM CONE FORMULATIONS FROMWHEAT FLOUR AND TOFU DREGS FLOUR ADDED WITH BEETROOT (Beta vulgaris L.) EXTRACT Safitri Nur Fatmawati; Vivi Nur’aini; Merkuria Karyantina
Agric Vol. 35 No. 1 (2023)
Publisher : Fakultas Pertanian dan Bisnis, Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24246/agric.2023.v35.i1.p85-98

Abstract

Cone es krim merupakan jenis kue berbentuk seperti corong yang digunakan sebagai wadah untuk es krim, dibuat dengan pemangganggan menggunakan ice cone maker berbahan dasar tepung terigu, serta dapat ditambahkan bahan lain sebagai inovasi. Penelitian menggunakan Rancangan Acak Lengkap (RAL) faktorial dua faktor yaitu perbandingan tepung terigu dan tepung ampas tahu ((90:10), (80:20), (70:30)) dan persentase ekstrak umbi bit/100 ml air (30, 40, 50%). Penelitian ini bertujuan untuk menentukan formulasi cone es krim tepung terigu dan tepung ampas tahu dengan penambahan ekstrak umbi bit (Beta vulgaris L.) yang memiliki kadar protein dan betasianin tinggi serta disukai oleh konsumen. Hasil penelitian menunjukkan bahwa kadar protein tertinggi terdapat pada perlakuan perbandingan tepung terigu : tepung ampas tahu (70 : 30) dan persentase ekstrak umbi bit 30% dengan hasil kadar protein 13,55%. Kadar betasianin tertinggi terdapat pada perlakuan perbandingan tepung terigu : tepung ampas tahu (90 : 10) dan persentase ekstrak umbi bit 50% dengan hasil kadar betasianin 0,074 mg/100gr. Perlakuan berdasarkan uji organoleptik yang paling disukai oleh panelis adalah perlakuan perbandingan tepung terigu : tepung ampas tahu (80 : 20) dan persentase ekstrak umbi bit 30% dengan hasil warna 3,53 (agak suka), rasa 3,61 (agak suka), aroma 3,78 (agak suka), kerenyahan 4,32 (suka), dan kesukaan keseluruhan 4,07 (suka).
ANALISIS PENGARUH FAKTOR - FAKTOR PRODUKSI TERHADAP PRODUKSI USAHA TANI UBI KAYU DI KOTA SALATIGA Ertris Taqwdas Widyastiara; Edy Prasetyo; Budi Adi Kristanto
Agric Vol. 35 No. 1 (2023)
Publisher : Fakultas Pertanian dan Bisnis, Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24246/agric.2023.v35.i1.p73-84

Abstract

Usahatani ubi kayu di Kota Salatiga merupakan usahatani komoditas tanaman pangan yang memiliki peluang baik karena permintaan ubi kayu di pasaran semakin meningkat. Namun terdapat kendala yang menghambat usahatani ubi kayu yaitu produktivitas ubi kayu yang belum mencapai sasaran target dan faktor produksi yang terbatas. Hal tersebut mengindikasikan bahwa penggunaan faktor produksi masih belum efisien. Tujuan dari penelitian ini adalah: (1) menganalisis pengaruh faktor - faktor produksi meliputi luas lahan, bibit, pupuk, dan tenaga kerja terhadap produksi ubi kayu, (2) menganalisis tingkat elastisitas faktor - faktor produksi ubi kayu dan (3) menganalisis tingkat efisiensi teknis dan efisiensi ekonomis penggunaan faktor-faktor produksi pada usahatani ubi kayu di Kota Salatiga. Metode analisis menggunakan regresi linier berganda, yang ditransformasikan ke dalam model fungsi produksi Cobb Douglass dengan bantuan program SPSS. Efisiensi teknis dianalisis menggunakan fungsi Produksi Stochastic Frontier. Hasil penelitian menunjukkan bahwa faktor – faktor produksi meliputi bibit, pupuk kandang dan tenaga kerja berpengaruh dalam usahatani ubikayu. Hasil analisis elastisitas seluruh faktor produksi berada pada daerah rasional (Daerah II) dengan nilai positif. Hasil analisis efisiensi teknis menunjukkan hanya variabel bibit yang memberikan niai positif dan signifikan. Berdasarkan hasil perhitungan analisis efisiensi ekonomis menunjukkan penggunaan faktor – faktor produksi meliputi luas lahan, bibit, pupuk kandang dan tenaga kerja belum efisien.
PEMODELAN INTENSITAS PENYAKIT HAWAR DAUN BAKTERI (Xanthomonas oryzae pv. oryzae) PADA TANAMAN PADI AKIBAT PENGARUH FAKTOR ABIOTIK DI DESA BABAKSARI KECAMATAN DUKUN KABUPATEN GRESIK Dwi Lestari; Endang Triwahyu Prasetyawati; Penta Suryaminarsih
Agric Vol. 35 No. 1 (2023)
Publisher : Fakultas Pertanian dan Bisnis, Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24246/agric.2023.v35.i1.p149-158

Abstract

Tanaman padi merupakan tanaman pangan utama di Indonesia. Gresik menjadi salah satu dari sepuluh daerah penghasil beras tertinggi di Provinsi Jawa Timur, Indonesia. Produksi padi di Desa Babaksari, Kabupaten Gresik mencapai 646 ton/tahun. Salah satu kendala dalam produksi padi adalah serangan penyakit hawar daun bakteri yang disebabkan oleh Xanthomonas oryzae pv. oryzae. Penyakit ini dapat menyebabkan kehilangan hasil mencapai 15-80%. Perkembangan penyakit hawar daun bakteri pada padi dapat disebabkan oleh beberapa faktor salah satunya adalah faktor abiotik. Penelitian ini bertujuan untuk mengetahui seberapa jauh pengaruh yang diberikan oleh faktor abiotik (kelembaban udara, pH tanah, dan suhu udara) terhadap intensitas penyakit hawar daun bakteri. Penelitian dilakukan dengan metode survei, diagonal random sampling, dan wawancara pada petani di Dusun Petissari dan Dusun Sariwonorejo, Desa Babaksari, Kecamatan Dukun, Kabupaten Gresik. Hasil dari penelitian ini didapatkan bahwa ketiga faktor abiotik tersebut secara simultan memberikan pengaruh yang signifikan terhadap intensitas penyakit hawar daun bakteri dengan model regresi yang didapat yaitu: (1) Petissari: Y = -0.050 + 0.587X1 + 1.378X2 – 0.789X3; dan (2) Sariwonorejo: Y = 8.464 – 3.044X1 + 3.745X2 + 1.854X3. Hasil analisis jalur didapatkan bahwa faktor abiotik yang memiliki pengaruh langsung paling tinggi terhadap intensitas penyakit hawar daun bakteri adalah pH tanah.
INVESTIGATING THE EFFECTS OF BAMBOO BIOCHAR ON FERTILE SOIL FOR IMPROVING THE PRODUCTION OF Brassica oleraceae Lestiyani, Ayu; Purnomo, Erry; Widyaningsih, Septy; Fadillah, Khrisna
Agric Vol. 35 No. 2 (2023)
Publisher : Fakultas Pertanian dan Bisnis, Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24246/agric.2023.v35.i2.p169-180

Abstract

Cabbage (Brassica oleracea var capitate), broccoli (B. oleraceae L. var italica), carrots, and cauliflower (B. oleracea var botrytis) are the primary vegetable crops grown in Ngablak. The role of chemical fertilizers in crop enhancement cannot be avoided in the production of vegetables. Chemical fertilizers come in a variety of forms, including nitrogenous, phosphate, and potassium fertilizers. Fertilizer use not only boosts crop yield, but also modifies the physical, chemical, and biological aspects of the soil. However, the continual use of chemical fertilizers has led to a loss in soil organic matter (SOM) and a deterioration in the quality of agricultural soil. The excessive use of chemical fertilizers hardens the soil, diminishes soil fertility, pollutes the air, water, and soil, and depletes vital soil nutrients and minerals, consequently posing environmental risks. This research breakthrough is needed to reduce chemical fertilizers. Biochar, a pyrolyzed or anaerobically-grown biomass, could be used. This study examined the effects of biochar on disease suppression and yield in Brassica oleracea plants in rich soils in Magelang, Central Java. The treatment of this study was control, biochar, biochar+compost. The results of this study can be concluded that the maximum wet and dry weight of broccoli and cabbage plants was achieved in the biochar+compost treatment. Biochar and biochar+compost can enhance the nutrient content of the soil in broccoli, cauliflower, and cabbage. In addition, biochar has an effect (positive or negative influence) on disease in test plants. During June observations, the controls had the highest incidence and plant disease severity, whereas adding biochar and biochar+compost reduced disease incidence and plant disease severity. Increased potassium in conjunction with changes in the chemical characteristics i.e. increasing pH, total N, and C- organic of the soil results in the formation of resistance.
BIOFERTILIZER-COATED UREA FOR PROMOTING YIELD OF LETTUCE AND REDUCING NITROGEN FERTILIZER DOSE IN FIELD EXPERIMENT Hindersah, Reginawanti; Rhasajati, Dhia; Risanti, Rara; Setiawati, Mieke; Fitriatin, Betty
Agric Vol. 35 No. 2 (2023)
Publisher : Fakultas Pertanian dan Bisnis, Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24246/agric.2023.v35.i2.p193-204

Abstract

Aplikasi urea secara intensif dianggap berpotensi menurunkan kualitas tanah, dan kualitas pangan. Kendala aplikasi urea di daerah tropis adalah rendahnya efektifitas karena pencucian dan volatilisasi yang intensif. Penurunan dosis urea dapat dilakukan dengan mengintensifkan aplikasi pupuk hayati karena murah dan terbarukan. Pelapisan urea dengan pupuk hayati dapat memudahkan aplikasi kedua jenis pupuk. Dalam penelitian kami sebelumnya, urea berlapis pupuk hayati padat telah diformulasikan dengan menggunakan Bacillus subtilis, B. megaterium, Azotobacter chroococcum dan A. vinelandii. Penelitian ini bertujuan untuk membuktikan pengaruh urea berlapis pupuk hayati (UBPH) terhadap pertumbuhan dan hasil tanaman selada (Lactuca sativa L.) cv. Romain; dan penurunan dosis urea pada satu musim tanam. Percobaan lapang menggunakan rancangan acak kelompok dengan lima perlakuan dan lima ulangan. Pertanaman selada diberi satu dan setengah dosis dari dua formulasi UBPH. Hasil penelitian menunjukkan bahwa tidak ada perbedaan pertumbuhan, serapan P dan hasil yang nyata antara tanaman yang diberi UBPH dan urea konvensional tetapi setengah dosis UBPH menghasilkan produktivitas selada yang sama dengan satu dosis urea konvensional. Aplikasi setengah dosis UBPH menghasilkan serapan N tajuk yang sama dengan satu dosis urea meskipun terdapat satu formula UBPP yang menurunkan serapan N. Hasil penelitian menunjukkan bahwa aplikasi pupuk urea yang dilapisi dengan pupuk hayati padat dapat disarankan untuk mendukung budidaya selada dan mengurangi dosis urea.
STUDY ON RELATIONSHIP BETWEEN AGRONOMIC CHARACTERS AND FARMING VALUE IN SOYBEAN VARIETIES ASSESSMENT Kustanto, Heri; Khanifah; Amiroh, Ana; Tambu, Teddy; Lazuardi, Mohamad Heru
Agric Vol. 35 No. 2 (2023)
Publisher : Fakultas Pertanian dan Bisnis, Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24246/agric.2023.v35.i2.p251-260

Abstract

Soybean is important commodity because it is consumed by the whole communities. Soybean plays important role in national food security. In fact, the needs for soybeans currently still depend on import of soybean seeds. The stakeholders and communities have made some efforts to increase soybeans production, and one of them is providing superior and high-qualified varieties, as well as profitable for farming. Objective of the study was to know relationship between agronomic characters and economic values in soybean varieties assessment. The study was to analyze the farming of new superior varieties in comparison with local superior varieties by applying different dose of fertilizer. Furthermore, the research was carried out to look for superiorities of the varieties before they are released. Conclusions of the research are (1) the harvest yield per hectare showed that the treatment of YS2 and YS3 have the highest yields with average values 2.4 and 2.2 tons/ha, respectively. (2) The highest farming income was derived from the treatment of YS0, (3) Extra expenses for farming which were expended for both varieties of Yasi 6 and Grobogan will be able to increase the harvest yield but could not afford to raise income, (4) Yasi 6 could be cultivated in accordance with the farmers’ habits and will be able to raise income.
SPATIAL ANALYSIS OF WATER BALANCE DISTRIBUTION FOR SIMULATION OF TIMING AND PATTERNS OF RICE AND CROP PLANTING IN THE REGION OF TYPE D RAINFALL IN THE SOUTH KONAWE REGENCY Musyadik, Musyadik; Fathnur, Fathnur; Nugroho, Wahyu Adi; Rusdi, Rusdi; Imran, Imran; Wahid, Wahid; Asmin, Asmin; Sabaruddin, Laode; Sudia, La Baco; Nur, Muhammad
Agric Vol. 35 No. 2 (2023)
Publisher : Fakultas Pertanian dan Bisnis, Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24246/agric.2023.v35.i2.p287-300

Abstract

Ketersediaan air sangat berperan dalam siklus hidrologi lingkungan, dimana dalam konsepnya menyatakan jumlah air disuatu luasan tertentu dipermukaan bumi dipengaruhi oleh besarnya air yang masuk (input) dan keluar (output) pada jangka waktu tertentu. Ketidakseimbangan air dapat menyebabkan terjadinya kelebihan (surplus) dan defisit (kekurangan air) dan dapat berdampak pada berbagai sektor, salah satunya di sektor pertanian tanaman pangan yakni terjadinya pergeseran musim dan perubahan pola tanam. Dampak tersebut dapat diminimalisir bila dilakukan pengelolaan yang baik terhadap lahan dan lingkungannya yakni melalui perhitungan kondisi neraca air dalam suatu wilayah. Penelitian ini bertujuan untuk (1) menganalisis sebaran spasial neraca air lahan di wilayah hujan tipe D, (2) menetapkan Waktu dan Pola Tanam berdasarkan Neraca Air lahan Padi dan Palawija di wilayah hujan tipe D. Penelitian ini menggunakan metode survei dan analisis perhitungan neraca air. Hasil penelitian menunjukkan bahwa surplus air di wilayah Kecamatan Palangga dan Baito memiliki periode surplus 8 bulan dengan nilai 192, 40 mm/bulan yang terjadi pada bulan Juni dan terendah 2,04 mm/bulan yang sebarannya meliputi semua titik pengambilan sampel adapun secara administrasi meliputi desa Kiaea, Watudemba, Watumerembe, Wawonggura, Eewa, Onembute, Anggondara, Mekar Sari, Wawouru, Aosole, Sanggi-sanggi, Palangga, Tolihe, Sambahule, Matabubu, Mekarjaya, Wonua Raya, Ahuangguluri, Amasara, Wawouru, Mekarsari, Anggondara, Aosole, Eewa dan Onembute. Defisit air di wilayah Kecamatan Palangga dan Baito memiliki periode 4 bulan dengan periode tertinggi pada bulan Juni yakni 58,59 mm/bulan di titik 6 dan terendah pada bulan Februari dengan nilai 4,68 mm/bulan di titik 2. Wilayah Kecamatan Palangga dan Baito memiliki pola tanam jagung+kacang hijau-padi sawah-bero/sayuran; kedelai/padi sawah-bero/sayuran; jagung+kacang tanah-padi sawah-bero/rumput pakan.
THE USE OF THE STOCHASTIC FRONTIER METHOD FOR MEASURING THE PERFORMANCE OF RICE FARMING IN THE FRONTIER, REMOTE, AND UNDERDEVELOPED AREAS IN MERAUKE REGENCY, SOUTH PAPUA PROVINCE, INDONESIA Widyantari, Ineke Nursih; Loppies, Stanly HD; Maulany, Gerzon; Wiranto, Retnowati
Agric Vol. 35 No. 2 (2023)
Publisher : Fakultas Pertanian dan Bisnis, Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24246/agric.2023.v35.i2.p181-192

Abstract

Merauke is one of the regencies in South Papua Province with flatland areas, making it very suitable for agriculture. In 2011, Merauke Regency was declared a food barn for Eastern Indonesia by President Jokowi. Tanah Miring District is one of the rice centers in Merauke. One of the villages in Tanah Miring District is Sumber Harapan Village. This study aims to examine (1) factors that influence the production of rice farming in Sumber Harapan Village, Merauke Regency; (2) factors that influence the technical efficiency of rice farming in Sumber Harapan Village, Merauke Regency; and (3) the level of technical efficiency of rice farming in Sumber Harapan Village, Merauke Regency. This research was conducted in Sumber Harapan Village, Tanah Miring District, Merauke Regency, from June to August 2022. The data used were primary data and secondary data. Primary data were obtained from interviews, questionnaires, and observations. Meanwhile, the secondary data were obtained from Statistics Indonesia (BPS) and other literature. The number of samples used was 50 rice farmers. The results showed that the factors influencing the production of rice farming in Sumber Harapan Village, Merauke Regency, were machines, labor, and land area. Meanwhile, the factors influencing the technical efficiency of farming production in Sumber Harapan Village, Merauke Regency were a family burden, education, land status, and membership in farmer groups. The average level of technical efficiency of rice farming in Sumber Harapan Village, Merauke Regency, was 0.97, which is said to be inefficient since it is below one.

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