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INDONESIA
Jurnal Ilmu-Ilmu Pertanian Indonesia
Published by Universitas Bengkulu
ISSN : 14110067     EISSN : 26849593     DOI : https://doi.org/10.31186/jipi
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Ilmu-Ilmu Pertanian Indonesia (JIPI) is a scientific journal that publishes research results related to resource issues and agricultural productivity widely, including Agroecotechnology, Plant Breeding, Soil Science, Plant Protection, and Agricultural Ecology.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 208 Documents
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PENAMPILAN FISIOLOGI DAN HASIL RUMPUT BENGGALA (Panicum maximum Jacq.) PADA TANAH SALIN AKIBAT PEMBERIAN PUPUK KANDANG, GYPSUM DAN SUMBER NITROGEN E. D. Purbajanti; R. D. Soetrisno; E. Hanudin; S. P.S. Budhi
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 12, No 1 (2010)
Publisher : Program Studi Ilmu Tanah Fakultas Pertanian UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.12.1.61-67

Abstract

[PHYSIOLGICAL PERFORMANCES AND YIELD OF GUINEA GRASS (Panicum maximum Jacq.) AS AFFECTED BY APPLICATIONS OF GYPSUM, MANURE, AND NITROGEN]. Agricultural production on saline soil is often hampered by the inherent soil properties that limit the plant to gain optimal growth and development. Objective of this study was to determine the effects of gypsum, manure, and nitrogen applications  on the physiological characteristics and yield of guinea grass. A factorial experiment was set up in a greenhouse, involving two levels of manure (0 and 20 ton ha-1), four levels of gypsum (0, 0.75, 1.5, and 3 ton ha-1), and three levels of nitrogen (0, 50 kg N ha-1 in form of nitrate, and 50 kg N ha-1 in form of ammonium). Application of manure at 20 ton ha-1 produced higher leaf area per plant (LAPP), photosynthetic rate, nitrogen uptake, relative growth rate (RGR), plant height, and forage and dry matter productions as compared to no manure. Similarly, LAPP, photosynthetic rate, and net assimilation rate (NAR) had increased linearly as the gypsum applications were increased from 0.75 to 3 ton ha-1. ANR were increased in quadratic fashion on both manure treatments in accordance with the increment of gypsum applications. LAPP, NAR, ANR, N uptake, plant height, RGR, and dry matter production were increased by application of either nitrate or ammonium application, whereas the highest forage production was found on combination of manure at 20 ton ha-1 and N at 50 kg ha-1 in form of ammonium.
PENGARUH AMELIORAN TERHADAP KADAR Pb TANAH, SERAPANNYA SERTA HASIL TANAMAN BAWANG MERAH PADA INCEPTISOL Nurjaya Nurjaya; Emona Zihan; M. Sri Saeni
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 8, No 2 (2006)
Publisher : Program Studi Ilmu Tanah Fakultas Pertanian UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.8.2.110-119

Abstract

The presence of heavy metal in soil can reduce the productivity of soil and the quality of agricultural products. The effort for handling the Pb heavy metal pollution in soil is by adding ameliorant. An experiment was conducted with objectives to study zeolit, organic matter and carbon active evectivenees to plant growth, Pb absorption and solubility of Pb in soils, The research was held in a center of vegetable plant on Tegal district. Randomized completely block design used with three replications at 1.20 m x 4.50 m (5.00 m2). Treatment were control, zeolite (1, 2 and 3 tons ha-1), organic matter (5, 10 and 15 tons ha-1), and active carbon (0.5, 1 and 1.5 tons ha-1). The observed parameters were plant height, amount of tuber at 2 nd, 4th, 6th, and 8th weeks after cultivation, wet weight, and dry weight of leaves and bulb, availibility of Pb (Olsen-EDTA extract) in soil, and Pb adsorption in leaves and bulb of onion. Quantitatively, the ameliorant can reduce Pb adsorption in leaves and bulb of onion. Zeolite treatment with 3 tons ha-1 is more effective to reduce the Pb adsorption in leaves and bulb of onion. 
PENGARUH KOMBINASI DOSIS KOMPOS GULMA DAN PUPUK SINTETIK TERHADAP PERTUMBUHAN DAN HASIL TANAMAN TOMAT (Lycopersicum esculentum Mill.) Suri Dwijaniati Kurnia; Nanik Setyowati; Alnopri Alnopri
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 21, No 1 (2019)
Publisher : Program Studi Ilmu Tanah Fakultas Pertanian UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.21.1.15-21

Abstract

[EFFECT OF WEED COMPOST AND SYNTHETIC FERTILIZER DOSAGE ON TOMATO GROWTH AND YIELD (Lycopersicum esculentum Mill.)]. The growth and yield of tomato plants are influenced by fertilizer and nutrient content in the soil. This study aims to investigate the effect of a combination of synthetic fertilizer and weed compost on the growth and yield of tomato plants. The study was conducted in November 2016 through June 2017 in Agronomy, Faculty of Agriculture, University of Bengkulu, at an altitude of ± 10 m above sea level using a Completely Randomized Design (CRD). The treatments consisted of  synthetic fertilizer at a rate of  180 kg/ha N, 150 kg/ha P2O5 and 100 kg/ha K2O (control), grass compost 30 , 40 and 50 tons/ha, 50% control + grass compost 15 tons/ha, 50% control + 20 tons/ha grass compost and 50% control + 25 tons/ha grass compost. The results revealed that the vegetative growth of tomato plants fertilized with grass compost 30 tons/ha and a combination of grass compost + 50% control did not differ from control treatment. Tomato yield fertilized with grass compost 30 tons/ha and a combination of 50% control + 15 tons/ha grass compost was higher than the control treatment. Therefore, 15 tons/ha of grass compost can reduce the dose of synthetic fertilizer by 50%.
EFEKTIVITAS Trichoderma sp. DAN Gliocladium sp. DALAM PENGENDALIAN LAYU FUSARIUM PADA TANAMAN KRISAN Hartal Hartal; Misnawaty Misnawaty; Indah Budi
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 12, No 1 (2010)
Publisher : Program Studi Ilmu Tanah Fakultas Pertanian UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.12.1.7-12

Abstract

[THE EFFECTIVENESS OF Trichoderma sp. AND Gliocladium sp IN CONTROLLING FUSARIUM WILT ON CHRYSANTHEMUM]. Fusarium wilt is a major soil borne disease in chrysanthemum, which results in yellowing and permanent wilt on the plant. The disease has capability to remains intact in the soil for years so that preventive operation prior planting often fail to provide fusarium-free environment for the plant. The elaboration of use of antagonistic organisms as the biological agents may provide an effective solution for controlling the disease. Objective of this study was to evaluate the effectiveness of two species of fungi, Trichoderma sp. and Gliocladium sp.,  as the antagonistic agents for controlling the development of fusarium wilt on chrysanthemum. Both fungi were applied singly or in combination onto the fusarium inoculated soil which were prepared as growing media for chrysanthemum plants. Results indicated that Trichoderma sp. and Gliocladium sp. were effective in controlling the development of fusarium wilt in krisan, where application of  combined antagonistic agents had produced the highest suppression to the fusarium development (70.1 %), followed by single application of Trichoderma sp. (56.4 %) and Gliocladium sp. (55.9 %).
EVALUASI TANAH SAWAH BUKAAN BARU DI DAERAH LUBUK LINGGAU, SUMATERA SELATAN B.H Prasetyo
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 8, No 1 (2006)
Publisher : Program Studi Ilmu Tanah Fakultas Pertanian UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.8.1.31-43

Abstract

Pembukaan sawah baru di luar Pulau Jawa sering dihadapkan pada masalah kandungan hara tanah yang rendah. Untuk tujuan mengevaluasi masalah rendahnya kandungan hara, telah dilakukan penelitian pada tanah sawah bukaan baru yang berumur satu tahun dan merupakan hasil konversi dari lahan kering di daerah Lubuk Linggau, Sumatera Selatan. Tiga profil tanah telah dibuat di lapangan berdasarkan toposekuen (HP32, HP33, HP34), satu profil dibuat pada lahan kering yang masih asli (HP31), dan dua profil(HP30, HP35) dibuat secara acak. Untuk keperluan evaluasi sifat tanah, tigapuluh satu contoh tanah telah dianalisis susunan mineral dan sifat fisika-kimanya. Hasil penelitian menunjukkan bahwa susunan mineral pasir didominasi oleh kuarsa dan opak, sedang susunan mineral liat didominasi oleh kaolinit. Sumber hara dalam tanah tergolong miskin. Kandungan C- organik tanah rendah hingga sangat rendah, kandungan hara dalam tanah rendah, konsentrasi besi tergolong sedang hingga tinggi, kejenuhan Al tinggi hingga sangat tinggi dan fosfat tersedia maupun potensial tergolong rendah.Tanah-tanah yang diteliti tergolong sebagai Typic Hapludox, Typic Kandiudults dan Typic Endoaquents. Pencetakan tanah sawah di daerah berlereng di daerah penelitian dengan cara meratakan tanah telah mengakibatkan hilangnya lapisan tanah dengan kandungan C-organik, dan memunculkan lapisan tanah dengan kejenuhan Al dan retensi fosfat tinggi. Kendala yang ada pada sawah bukaan baru di daerah ini adalah rendahnya status hara tanah, tingginya kandungan Al dan Fe, dan kekurangan fosfat. 
PERBANDINGAN METODE DENYUT JANTUNG DENGAN FAKTORIAL UNTUK MENGUKUR ENERGY EXPENDITURE PADA DOMBA KERJA LAKTASI Dwatmadji Dwatmadji
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 9, No 2 (2007)
Publisher : Program Studi Ilmu Tanah Fakultas Pertanian UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.9.2.148-155

Abstract

The use of conventional gaseous exchange methods for measuring animal energy expenditure is technically difficult and not generally feasible for animals working under field conditions. This experiment was held to study comparison of heart rate and factorial method measurements for predicting energy expenditure in working lactating Merino ewes. The ewes used were two years old, having similar liveweight and body condition, and given ad libitum mixed feed of sorghum and lucerne hay containing 13% of crude protein. The “Working” eweswas placed on modified horse treadmill with speed of 0.9 m second-1, 3 hours, load of 10% liveweight, and 0o incline; whereas the “Control” ewes were standing adjacent to opposite group. Energy expenditure was done using Heart-rate method and Factorial method. Heart rate was through measuring air bubble pulse created within the stream of heparinised saline in the jugular catheter. It was observed that mean energy expenditure estimated by using the Heart-Rate method was higher than that derived by the Factorial method and energy expenditure of Working ewes was higher than that of their Control counterparts, during both Work and Recovery periods. 
PERUBAHAN FISIOLOGIS AND BIOKHEMIS BENIH KEDELAI YANG DIINFUS DENGAN KINETIN SELAMA PENYIMPANAN Marwanto Marwanto
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 7, No 2 (2005)
Publisher : Program Studi Ilmu Tanah Fakultas Pertanian UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.7.2.68-75

Abstract

Soybean seeds deteriorate rapidly when stored under unfavorable conditions and kinetin infusion prior to storage may reduce the rate of seed deterioration. To answer this hypothesis, soybean seeds were permeated with kinetin at 1.0 mM before storage in Agronomy Laboratory on July 2000 at 15 0C and 30 0C for up to 6 months, and their germination, germination after accelerated aging, speed of germination (T50), electrical conductivity and respiration rate were compared with those of untreated seeds stored under the same conditions. The treatments were arranged in a split plot design with three replications. Treated seeds maintained a higher germination and germination after accelerated aging, showed a more rapid germination, a greater cell membrane integrity and a higher respiration rate than untreated seeds irrespective of either storage temperature or storage period, whereas untreated seeds showed a rapid decline in the five seed quality indicators. By four months of storage at 30 0C, treated seeds retained a high level of germination (>80%), medium level of germination after accelerated aging (65%) and a high speed of germination (around 40 hours), while untreated seeds showed a rapid decline in the three seed quality indicators, germination percentage being less than 80%, germination after accelerated aging being less than 50% and speed of germination being higher than 55 hours. Therefore, it is concluded that kinetin infusion prior to storage, in addition to the acceleration of germination, slowed the rate of seed deterioration irrespective of storage temperature through the improvement of cell membrane integrity and seed respiration. 
PERBEDAAN SIFAT-SIFAT TANAH VERTISOL DARI BERBAGAI BAHAN INDUK B. H. Prasetyo
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 9, No 1 (2007)
Publisher : Program Studi Ilmu Tanah Fakultas Pertanian UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.9.1.20-31

Abstract

Vertisols is black and fertile soils, derived from various parent materials, dominated by smectite clay minerals, and charasterize by crack formation during dry season. Six soil profiles consisted of thirty two soil samples from dIfferent location were analyzed for their chemical and mineralogical composition at the laboratories of Soil Research Center for soil characteristics. Results indicate that the color matrix of Vertisols varies, hue range from 2.5Y to 10YR, color value varies from 2 to 6, and chroma range from 0 to 4. Clay mineral composition of Vertisols is dominated by smectite. Other clay minerals founded in the Vertisols are kaolinite, illite and vermiculite. The mineralogy composition of sand fraction is varies, some of them rich in weatherable minerals like andesine, amfibole, orthoclase, sanidin and the others are dominated by resistant minerals such as quartz and opaque. The mineralogical composition of Vertisols dependent on their parent material. The dominant cations in Vertisols are Ca++ and Mg++. Vertisols from volcanic materials is dominated by Ca++ and followed by Mg++ cations, Vertisols from limestone is dominated by Ca++, while Vertisols from peridotite is dominated by Mg++. All of the Vertisols studied have a high cation exchange capacity with pH’s range from 5.5 to 7.4. In using Vertisols for food plantation, should be consider the high content of Ca++, Mg++ and the water management. The soils should be atleast always in moist condition, otherwise soils become very hard and cracks when dry.
PENAMBAHAN DAGING IKAN GABUS (Ophicepallus strianus BLKR) DAN APLIKASI PEMBEKUAN PADA PEMBUATAN PEMPEK GLUTEN Sugito Sugito; Ari Hayati
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 8, No 2 (2006)
Publisher : Program Studi Ilmu Tanah Fakultas Pertanian UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.8.2.147-151

Abstract

The objectives of this research were to study the effects of freezing period of gluten and levels of gabus fillet fish addition on the characteristics of gluten pempek. This research was conducted at the Laboratory of Agricultural Product Chemistry, Department of Agricultural Technology, University of Sriwijaya, from July to October 2005. This research used completely randomized factorial design with two treatments and three replications. The treatments were freezing period (0, 6, and 12 hours) and levels of gabus fillet fish addition (0, 5, 10, and 15%). The observed parameters were content of water, ash, protein, carbohydrate and fat. The results showed that freezing time affected significantly on water content but not to the other parameters. Fillet fish addition level had significant effect on ash and fat, but had no significant effect on other parameters. The best treatment was gluten pempek using freezing time of 12 hours and 15% of fish addition level. 
WAKTU PEMBERIAN LUMPUR SAWIT DAN DOSIS NPK PADA PERTUMBUHAN DAN HASIL JAGUNG MANIS (Zea mays saccharata Sturt.) DI ULTISOL Daniel Malintang Siagian; Bilman Wilman Simanihuruk; Herry Gusmara
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 21, No 1 (2019)
Publisher : Program Studi Ilmu Tanah Fakultas Pertanian UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.21.1.27-31

Abstract

[TIME OF GRANTING PALM OIL AND NPK DOSAGE IN GROWTH AND RESULTS OF SWEET CORN (Zea mays saccharata Sturt.) IN ULTISOL]. The objectives of this study were to obtain timing of sludge, NPK dosage and best interaction between NPK fertilizer and timing of sludge for growth and yield of sweet corn. The study was conducted from June to September 2017 at Jl. Al-Hikmah Mosque, Kandang Limun Village, Muara Bangkahulu Subdistrict, Bengkulu City with Ultisol soil type and altitude of 15 m above sea level. The study was arranged in Split Plot Design with two treatment factors and three replications. The first factor as the main plot was the time of giving of sludge 0, 2, and 4 weeks before planting, second factor as subplot was the application of each NPK dosage consisting of 3 treatment levels: 150 kg/ha, 225 kg/ha, and 300 kg/ha. The timing of sludge and NPK doses gave no significant effect on the growth and yield of sweet corn. The timing of sludge two weeks before planting gives better results on the number of leaves. NPK was giving no significant effect on all observed variables.

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