cover
Contact Name
Andree Wijaya Setiawan
Contact Email
fpb.andre@uksw.edu
Phone
+628156580993
Journal Mail Official
jurnal.agric@adm.uksw.edu
Editorial Address
Fakultas Pertanian dan Bisnis Universitas Kristen Satya Wacana Gedung I, Jl. Diponegoro 52-60 Salatiga 50711 Jawa Tengah - Indonesia
Location
Kota salatiga,
Jawa tengah
INDONESIA
AGRIC
ISSN : 08549028     EISSN : 25499343     DOI : https://doi.org/10.24246/agric.2023.v35.i1
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.
Articles 197 Documents
Effect Of Led Light Source Variation Toward Curly Lettuce (Lactuca sativa Var. Crispa L) Growth And Yield In Antonius Novinanto; Andree Wijaya Setiawan
Agric Vol. 31 No. 2 (2019)
Publisher : Fakultas Pertanian dan Bisnis, Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24246/agric.2019.v31.i2.p191-204

Abstract

In conventional curly lettuce cultivation there are several obstacles such as altitude, temperature, humidity, nutrient availability and light intensity that caused lettuce can not grow optimally. Indoor cultivation is one way to overcome problems that occurred in conventional cultivation, one of which is the intensity of light that is not suitable for the growth of lettuce plants. This study aims to determine the optimal LED electrical power and the effect of white LED lights and grow light on growth of lettuce plants with floating raft hydroponic cultivation system. This research has been carried out at Satya Wacana Christian University’s Faculty of Agriculture and Business seed laboratory. The study used a randomized block design with six treatments: 100 watt grow light; 200 watt grow light; 300 watt grow light; 100 watt white light; 200 watt white light; 300 watt white light, which will be repeated four times. Parameters to be measured include the number of leaves, canopy diameter, crown wet weight, root wet weight, chlorophyll b, total chlorophyll and leaf area. Light intensity treatment carried out with a box with a size of 1x1 m placed in a dark room. The results showed that the 300 watt grow light treatment gave the best results, with canopy diameter (45.10 cm), number of leaves (18.25 strands), canopy wet weight (225,967 g), heavy dry canopy weight (9.90 g), canopy dry weight (4.75 g), and leaf area 6195,378 (mm).
Utilization Of Palm Oil Mill Solid Waste And Inorganic Fertilizers On Chinese Kale (Brassica alboglabra) In Ex Coal Mining Soil Made Deviani Duaja; Elis Kartika; D C Fransisca
Agric Vol. 32 No. 1 (2020)
Publisher : Fakultas Pertanian dan Bisnis, Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24246/agric.2020.v32.i1.p29-38

Abstract

The purpose of this experiment is to evaluate the best combination of inorganic fertilizers and organic material from palm oil mill waste decanter cake, which give the best Chinese kale growth and yield at ex-coal mined soils. This is a pot research, conducted at Agricultural Farm, Agriculture Faculty, Jambi University, using RCBD with one factors and 11 treatments of combinations of NPK + Decanter Cake fertilizer from palm oil mill solid waste. The parameters observed were increase in plant height and number of leaves, leaf area and plant fresh weight. The results showed, the best treatments for increasing plant height and number of leaves was achieved at 50% of NPK from recommended doses with DC 20 ton/ha or 75% of NPK with DC 20 tons per hectare. For leaf area and plant fresh weight (yield), was achieved at 50 percent of NPK from recommended doses + DC 15 tons per hectare. The conclusion of this research is to increase chienese kale growth and yield in ex-coal mining soil can be done by fertilizing NPK 50 percent from recommended doses + decanter cake 15 tons per hectare.
FAKTOR PENGENDALI KELARUTAN SILIKA DALAM LARUTAN TANAH Linca Anggria; Husnain Husnain; Tsugiyuki Masunaga
Agric Vol. 32 No. 2 (2020)
Publisher : Fakultas Pertanian dan Bisnis, Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24246/agric.2020.v32.i2.p83-94

Abstract

Silica is a beneficial element for rice plants which can protect from blast disease, increase stem strength, and alleviate abiotic stress. Silicon in soil solution is affected by several factors such as pH, temperature, organic matter, and redox potential (Eh). This study aims to investigate the controlling factor of Si solubility in soil solution. In the present study, Japanese silica gel (JSG) and Ultisols were collected from Japan. In laboratory experiment, the effects of Ca (calcium), Mg (magnesium) and others on solubility of Si (silica) were investigated. Under submerged condition, ten gram of soil with silica gel, Ca and Mg in plastic tube were incubated at 300C for 29 days. Calcium and Mg were applied into soil, at the concentration of 5, 10, 15 mg Ca L-1(T2, T3, T4 respectively) and 5, 10, 15 mg Mg L-1(T5, T6, T7 respectively). There was two controls as a follow T0 (soil) and T1 (soil + silica gel). During incubation, Si, Ca, Mg, Fe, and Mn concentrations in surface water were measured using ICP spectroscopy at day 8, 15, and 29. The results show the soil before treatment was slightly acidic (pH 5.7) and extractable Si concentration was 267.1 mg SiO2 kg-1. It was classified to be below critical level of available Si for rice (300 mg SiO2 kg-1). Total concentration of Ca and Mg in soil solution were highest for treatment T4 and T7, respectively compared with other treatments. On the first 8 days of incubation, Si released into soil solution was higher in T1 and T2 compared to other treatments. The solubility of Si was significantly positive correlated with Mn, Eh, and negatively correlated with pH, that indicated these were the controlling factors of the Si release in soil solution. There was no correlation between Si and Ca or Mg concentration in soil solution.
PROFITABILITAS DAN EFISIENSI USAHA TERNAK SAPI PERAH DI KABUPATEN SLEMAN Muhammad Fauzan
Agric Vol. 32 No. 2 (2020)
Publisher : Fakultas Pertanian dan Bisnis, Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24246/agric.2020.v32.i2.p173-188

Abstract

Erupsi Gunung Merapi telah memberikan dampak yang serius pada usaha peternakan sapi perah rakyat di Kabupaten Sleman. Kematian ternak dan rusaknya lahan hijauan pakan ternak telah menyebabkan menurunnya pendapatan peternak sapi perah yang merupakan sumber penghidupan utama masyarakat. Penelitian ini bertujuan untuk menganalisis profitabilitas usaha ternak sapi perah, faktor-faktor yang mempengaruhi tingkat produksi susu, tingkat efisiensi teknis, dan faktor- faktor yang menyebabkan terjadinya inefisiensi usaha ternak sapi perah di Kabupaten Sleman. Penelitian ini menggunakan data primer hasil survei pada 62 responden dengan kuesioner. Analisis profitabilitas dan fungsi produksi stochastic frontier digunakan dalam penelitian ini untuk analisis data. Hasil penelitian menunjukkan bahwa kegiatan usaha ternak sapi perah di Kabupaten Sleman adalah usaha yang menguntungkan dengan rata-rata pendapatan atas biaya produksi tunai per tahun adalah sebesar Rp 18.347.565,38 per usaha ternak atau sebesar Rp 6.437.742,24 per satuan ternak. Faktor-faktor yang mempengaruhi produksi susu adalah pakan konsentrat dan jumlah kepemilikan ternak. Tingkat efisiensi teknis peternak sapi perah adalah sebesar 88,9%. Tingkat efisiensi teknis dipengaruhi oleh umur peternak dan pemeriksaan kesehatan ternak.
Screening Of Acit Sulphate Soils Fungi From South Kalimantan As Source Of Extracelular Enzymes Dwi Ningsih Susilowati; Indah Sofiana; Kristina Dwi Atmini; Erny Yuniarti
Agric Vol. 32 No. 1 (2020)
Publisher : Fakultas Pertanian dan Bisnis, Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24246/agric.2020.v32.i1.p65-82

Abstract

Lahan sulfat masam kalimantan berpotensi untuk dikembangkan menjadi lahan yang produktif, dengan pengoptimalan lahan yang baik. Pemanfaatan keanekaragaman mikroorganisme rhizosfer, khususnya kapang dapat berpotensi memberikan solusi dalam pengoptimalan lahan pertanian, yaitu dengan kemampuan menghasilkan enzim-enzim ekstraseluler. Penelitian ini bertujuan untuk mengetahui potensi kapang asal lahan sulfat masam dalam menghasilkan enzim extraseluler (pektinase, kitinase, glukanase, selulase, dan fosfatase). Penelitian dilakukan pada bulan Juni-Juli 2019 di Laboratorium Mikrobiologi, Balai Besar Penelitian dan Pengembangan Bioteknologi dan Sumberdaya Genetik Pertanian, Bogor. Penapisan kapang penghasil enzim ekstraseluler dilakukan pada media seleksi. Hasil penelitian diperoleh beberapa isolat memiliki kemampuan dalam menghasilkan enzim ekstraseluler. Indikasi adanya kemampuan kapang dalam menghasilkan enzim ekstraseluler yaitu adanya zona bening pada medium seleksi. Pada pengujian pektinase, kitinase dan glukanase semua isolat menunjukan hasil yang negatif. Isolat yang potensial dalam menghasilkan enzim ekstraseluler diantaranya Penicillium sp. Padi 4.1 (indeks selulolitik 2.43), Clonostachys sp. KRMT 17.9 dan Penicillium singorense KLK 13.7 (masing-masing indeks proteolitik 3.97 dan 3,00). Perbedaan nilai indeks menunjukan adanya variasi tingkat aktivitas enzim.
Study Of Pineapple Exocarp, Gadung Tuber And Liquid Of Pulp Cocoa Fermentation As Latex Coagulants Toward Rubber Quality Ayu Valentina; Yohanes Hendro Agus; Maria Marina Herawati
Agric Vol. 32 No. 1 (2020)
Publisher : Fakultas Pertanian dan Bisnis, Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24246/agric.2020.v32.i1.p1-12

Abstract

Some rubber farmers in Indonesia use un-recommended latex coagulant and it causes bad quality of rubber. The utilization of organic latex coagulants has the potential way to improve rubber quality. The aim of this study was to determine the effect of pineapple exocarp extract, gadung tuber extract and liquid of pulp cocoa fermentation as latex coagulants toward rubber quality. The study was using Randomized Completely Block Design with six treatments and four replications the treatments tested was 10 ml and 20 ml pineapple exocarp extract, 10 ml and 20 ml gadung extract and 10 ml and 20 ml liquid of pulp cocoa fermentation. The parameters observed were contact time, weight of rubber and rubber characteristic which are comprised of serum clarity, rubber color and rubber stinky smell produced, ash content and volatile matter compared to Standart Indonesian Rubber (SIR) 20. The result of this study showed that 20 ml latex coagulant had faster contact time than others and increased weight of the rubber. It showed that rubbers produced a bit stinky smell as well, it was better than rubbers produced by inorganic latex coagulant.
IDENTIFIKASI SEED BANK GULMA LOKAL DAN PENGARUH FREKUENSI PENYIANGAN TERHADAP PERTUMBUHAN DAN HASIL CABAI RAWIT (Capsicum frutescens) Shalahuddin Mukti Prabowo; Sangrani Annisa Dewi; Dwi Hatmini
Agric Vol. 32 No. 2 (2020)
Publisher : Fakultas Pertanian dan Bisnis, Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24246/agric.2020.v32.i2.p121-128

Abstract

Gulma merupakan organisme pengganggu tanaman yang keberadaannya sangat merugikan bagi produksi tanaman budidaya. Gulma dan tanaman utama bersaing untuk mendapatkan unsur hara, cahaya matahari, dan air sehingga ketersediaannya terbatas bagi tanaman utama. Kelimpahan gulma pada suatu lahan budidaya tidak lepas dari adanya seed bank gulma di dalam tanah. Penelitian ini bertujuan untuk mengidentifikasi seed bank gulma yang ada di lahan budidaya cabai rawit di dusun Tandon, kecamatan Selogiri, kabupaten Wonogiri serta mengetahui frekuensi penyiangan yang tepat untuk mendapatkan produktivitas cabai rawit yang tertinggi. Identifikasi seed bank gulma lokal yaitu dengan dilakukan pengambilan sampel tanah pada empat kedalaman yang berbeda, a) kedalaman 0-5 cm; b) kedalaman 5-10 cm; c) kedalaman 10-15 cm; dan d) kedalaman 15-20 cm. Variabel yang diamati meliputi frekuensi gulma, kerapatan gulma, dan summed dominance ratio (SDR). Frekuensi penyiangan gulma tanaman cabai rawit, menggunakan rancangan acak kelompok lengkap (RAKL) dengan satu faktor perlakuan yaitu frekuensi penyiangan (tanpa penyiangan; 1 kali penyiangan pada 2 minggu setelah tanam (MST); 2 kali penyiangan pada 2 MST dan 4 MST; 3 kali penyiangan pada 2 MST, 4 MST, dan 6 MST; 4 kali penyiangan pada 2 MST, 4 MST, 6 MST, dan 8 MST). Hasil penelitian menunjukkan bahwa kepadatan seed bank gulma terbanyak terdapat pada kedalaman tanah 0-5 cm dan 5-10 cm. Sedangkan pada frekuensi penyiangan menunjukkan frekuensi 3 kali penyiangan memberikan hasil terbaik pada pertumbuhan dan produksi tanaman cabai rawit.
PENGARUH PERIODE BEBAS GULMA TERHADAP PERTUMBUHAN DAN HASIL TANAMAN GANDUM (Triticum aestivum L.) Genotif 10 Endi Irfani; Yohanes Hendro Agus
Agric Vol. 33 No. 1 (2021)
Publisher : Fakultas Pertanian dan Bisnis, Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24246/agric.2021.v33.i1.p23-28

Abstract

Wheat in Indonesia is the second staple food. Wheat seed are processed to become wheat flour.From wheat flour can be made noodle, bread and other foods. One factor that is affected wheatproductivity is competition between wheat and weeds. The aim of the research were to know theaffect of weeding times toward growth and yield of wheat of Genotype 10, and to know weedingperiods that were critical periods of free weed of Genotype 10 wheat. This research usedRandomized Completely Block Design (RCBD) with eight treatments and five replications. Thetreatments tested were four periods of wheat crop without weeds and four periods of wheat cropwith weed. Research result data were analyzed by using analysis of variance (ANNOVA) andhonestly significant different (HSD) at 95% significant level. Research results showed that: (1)both periods with and without weeds affected number of tillers per clump, seed weight perpanicle, and (2) Seed weight per clump in period of weed controlled was highest significantlycompared with seed weight per clump in period with weed. It could be concluded that criticalweed- free periods of Genotype 10 of wheat were between 14 days until 42 days after sowing.
PREFERENSI WERENG HIJAU (Nephotettix virescens Distant) TERHADAP GALUR-GALUR HARAPAN PADI TAHAN TUNGRO Nur Rosida; Ema Komalasari; R. Heru Praptana
Agric Vol. 32 No. 2 (2020)
Publisher : Fakultas Pertanian dan Bisnis, Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24246/agric.2020.v32.i2.p105-120

Abstract

Tungro merupakan penyakit penting tanaman padi yang disebabkan oleh dua jenis virus, yaitu Rice tungro bacilliform virus (RTBV) dan Rice tungro spherical virus (RTSV) yang keduanya ditularkan oleh wereng hijau Nephotettix virescens Distant secara semipersisten. Tujuan penelitian ini adalah untuk mengetahui galur-galur harapan padi yang tidak disukai (tahan) wereng hijau dan tahan virus tungro. Penelitian dilaksanakan di Rumah Kaca Loka Penelitian Penyakit Tungro dan di lahan petani di Kabupaten Polman Sulawesi Barat pada bulan Januari – Agustus 2019. Galur/varietas yang diuji adalah 48 galur harapan padi tahan tungro dan 2 varietas pembanding. Di Rumah kaca dilakukan uji preferensi dan uji survival wereng hijau yang disusun menggunakan rancangan acak kelompok dan diulang tiga kali. Di lapangan dilakukan observasi populasi wereng hijau dan persentase serangan tungro serta evaluasi hasil dan komponen hasil tanaman dengan menggunakan rancangan augmented dalam RAK 4 blok. Masing-masing blok terdiri dari 20 galur harapan padi tahan tungro dan empat varietas pembanding (Ciherang, Tukad Unda, Inpari 9 Elo, dan IR 64). Parameter pengamatan meliputi : jumlah wereng hijau yang hinggap dan bertahan hidup pada masing-masing galur/varietas, kepadatan populasi wereng hijau di lapangan, persentase serangan tungro (%) di lapangan, jumlah gabah isi ,jumlah gabah hampa, bobot 1000 biji dan hasil gabah pada kadar air 14%. Tercatat 10 galur harapan padi yang tidak disukai (tahan) wereng hijau dan tahan virus tungro dengan persentase serangan lebih rendah atau sama dengan varietas pembanding (Inpari 9) serta memiliki potensi hasil yang tinggi (6,2 – 10,2 t/ha).
PERTUMBUHAN VEGETATIF TANAMAN CABAI PELANGI (Capsicum annuum L.) PADA PERLAKUAN PGPR (Plant Growth Promoting Rhizobacteria), KOMBINASI PGPR-PUPUK NPK, DAN PGPR-KOMPOS Jennefer Constantia; Rejeki Siti Ferniah
Agric Vol. 32 No. 2 (2020)
Publisher : Fakultas Pertanian dan Bisnis, Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24246/agric.2020.v32.i2.p95-104

Abstract

Cabai Pelangi Bolivian Rainbow merupakan salah satu varietas cabai hias yang memiliki keunikan berupa warna buahnya yang berwarna-warni. Pertumbuhan vegetatif cabai hias ini memerlukan beberapa tambahan nutrisi dan peranan mikroorganisme untuk memperoleh pertumbuhan yang optimal. Penelitian ini bertujuan untuk mengetahui pertumbuhan optimal cabai pelangi menggunakan pemberian pupuk hayati PGPR, kombinasi dari pupuk hayati PGPR dan pupuk sintetik NPK, serta kombinasi pupuk hayati PGPR dan pupuk organik kompos. Penelitian ini dilakukan dengan Rancangan Acak Lengkap (RAL) faktor tunggal dengan 4 perlakuan. Keempat perlakuan tersebut adalah tanah hitam sebagai kontrol (P0), tanah hitam ditambah pemberian PGPR(P1), tanah hitam ditambah pupuk kompos + PGPR(P2), dan tanah hitam ditambah NPK + PGPR (P3). Data yang diperoleh kemudian dianalisis dengan ANOVA dan dilanjutkan dengan Uji BNT pada tahap uji á = 5%. Hasil penelitian menunjukkan perlakuan kombinasi PGPR dan kompos atau PGPR dan NPK memberikan pertumbuhan vegetatif optimal dibandingkan perlakuan tunggal PGPR.

Page 10 of 20 | Total Record : 197