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Bambang Gonggo Murcitro
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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 209 Documents
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KETERKAITAN SEKTOR DAN SEKTOR UTAMA DALAM PEREKONOMIAN PROPINSI BENGKULU: ANALISA INPUT- OUTPUT Ketut Sukiyono; M. Mustopa Romdhon; Musriyadi Nabiu
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.9.2.77-84

Abstract

The objective of research was to evaluate backward (BL) and forward linkages (FL) and to determine key sectors which have large contribution to Bengkulu economy. The linkages and key sector analyses were applied to the Bengkulu Input-Output Tables 2000. The results showed that the structure of the Bengkulu economy still remain dominated by agricultural sectors.  Three agricultural sectors, i.e, palm oil, other agriculture, husbandary and their products,  were the key sectors in Bengkulu economy indicated by strongest BL and FL indexes and they would be fundamental sectors for economic development in Bengkulu. 
KANDUNGAN AMONIUM DAN KALIUM TANAH DAN SERAPANNYA SERTA HASIL PADI AKIBAT PERBEDAAN PENGOLAHAN TANAH YANG DIPUPUK NITROGEN DAN KALIUM PADA TANAH SAWAH Soni Isnaini
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 7, No 1 (2005)
Publisher : Program Studi Ilmu Tanah Fakultas Pertanian UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.7.1.23-34

Abstract

Tillage system can influence organic matter, nitrogen (N), and potassium (K) in the soil solution. Ammonium (N-NH +) buffer capacity is influenced by K+ in the soil solution. The objective of this study was to determine the content of N-NH + and K exchangeable (K-ex.) and its uptake as well as yield of rice (Oryza sativa L.) in the lowland rice fields under intensive/conventional tillage (CT) and no-tillage (NT) with application of nitrogen (N) and potassium (K) fertilizers. The experiment was conducted during rainy season 1999/2000 (8th growth season) in Kedaloman village, Talangpadang, Tanggamus, Lampung Province. The study was part of long-term research established since dry season 1996. The experiment was set up in a completely randomized block design with three replications. There were three treatments allocated in a factorial arrangement, i.e. (1) tillage system (CT and NT); (2) K fertilizer (without K and 49.8 kg ha-1 K); and (3) N fertilizer (46, 115, and 184 kg ha-1 N). Results of the study showed that N-NH + content and K uptake was affected by the interaction of tillage system, N and K fertilizers. When 49.8 kg ha-1 K was supplied, application of 184 kg ha-1 N produced higher N-NH + content and K uptake than 46 kg ha-1 N on both CT and NT. K-ex. and N uptakes on NT was 18% and 9% higher than those on CT, respectively. Application of nitrogen at 184 kg ha-1 N had the highest effect on K-ex., N uptake, and yield of rice. Application of 49.8 kg K ha-1 produced K-ex.12% higher than without K. In conclusion the N-NH +, K-ex., N and K uptake, and yield of rice were strongly determined by N fertilizer rather than the tillage system or K application.
PERTUMBUHAN DAN HASIL GALUR-GALUR F4 PADI RAWA PADA RAWA LEBAK Sumardi Sumardi; M. Chozin; Hermansyah Hermansyah
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.21.1.49-54

Abstract

[GROWTH AND YIELD OF F4 SWAMP RICE LINES ON LINE SWAMP]. Growth and yield of swamp rice are depending on the plant ability to adapt in swampy agro-ecosystem which characterized by several limiting factors. This study was addressed to evaluate the growth and yield characteristics of six lines of swamp rice bred for the development of high-yielding rice varieties best suited for swamp land production. Evaluation was conducted in a pot experiment using UBPR2, UBPR3,UBPR6, UBPR7, UBPR9, and UBPR10 as planting materials. These lines were the F4 generation derived from crosses involving local Bengkulu swamp rice varieties. Observations were made on 13 plant characteristics, dry matter accumulation,  leaf area ratio, specific leaf weight, net assimilation rate, plant height, productive tiller number, heading date, maturity date, panicle length, grain number per panicle, percent of filled grain, and plant yield (the grain weight per clump).  The collected data were subjected to analysis of variance and least significant difference test at 5% level.  Results indicated that all lines physiologically exhibited similar growth patterns, excepting the capability of accumulating dry matter at 40 dap. In this case, UBPR6 produced the highest dry matter accumulation (24.34 g). Based on the morphological performances, significant variations among the lines were observed on most of the observed characteristics, except on productive tiller number and panicle length UBPR10 was the line produced the tallest plant stature (160.72 cm), UBPR2 was the earliest flowering and maturing line (76,33 and 111 dap), whereas UBPR6 was the line produced the highest grain number per panicle (212,2), percent of filled grain (95%),  and plant yield (82.50 g per clump).
EFISIENSI PEMANFAATAN LAHAN PADA SISTEM TUMPANGSARI DENGAN BERBAGAI JARAK TANAM JAGUNG DAN VARIETAS KACANG HIJAU Desi Lestari; Edhi Turmudi; Dotti Suryati
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 21, No 2 (2019)
Publisher : Program Studi Ilmu Tanah Fakultas Pertanian UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.21.2.82-90

Abstract

[EFFICIENCY OF LAND USE IN MULTIPLE CROPPING SYSTEM WITH VARIOUS CORN PLANT AND MUNG BEAN VARIETIES]. This study aims to find out the precise planting distance of corn with mung bean varieties that are suitable for increasing the efficiency of land use in terms of ecology and agronomy. Research has been carried out in the agricultural land in September 2018-January 2019 using a split-plot design. The main plot of planting spacing of corn which is 60 cm x 30 cm, 90 cm x 30 cm, and 120 cm x 30 cm, subplots ie mung bean varieties (Kutilang, Vima-1, Vima-2, Vima-3). As a comparison of intercropping systems, monocultures are cultivated by corn and mung beans. The results showed that in general intercropping of maize and mung bean NKL> 1, ecologically and agronomically efficient. However, this efficient level can be distinguished based on the spacing of corn and mung bean varieties. The best ecological efficiency at 120 cm x 30 cm corn spacing, while the best agronomic efficiency in Virna-3 mung bean varieties. 
PEMBERIAN DUA JENIS AMELIORAN TERHADAP PERFORMA TANAMAN OKRA (Abelmoschus esculentus) PADA ULTISOL Cintya Ramadhani; SUmardi Sumardi; Bambang Gonggo Murcitro
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 21, No 2 (2019)
Publisher : Program Studi Ilmu Tanah Fakultas Pertanian UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.21.2.121-128

Abstract

PENGARUH EFIKASI EKSTRAK BIJI PINANG DALAM MENGENDALIKAN ULAT DAUN KUBIS PADA PAKCOY Rezkiyo Suswando; Djamilah Djamilah; Eko Suprijono
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 21, No 2 (2019)
Publisher : Program Studi Ilmu Tanah Fakultas Pertanian UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.21.2.62-67

Abstract

[THE EFFICACY OF AQUEOUS EXTRACT OF BETEL NUT AGAINST DIAMONDBACK MOTH OF PAKCOY CABBAGES]. The diamondback moth (Plutella xylostella L.) is the most destructive pest on cultivated pakcoy cabbages.  Chemical control using synthetic insecticides may cause pollution to the environment and may contribute to the development of resistance insects.  Therefore, botanical insecticides which are environmentally safe could be used as an alternative pesticide.  The objective of the study was to determine the efficacy of aqueous extract of betel nut to control diamondback moth on pakchoi cabbages (Brassica rapa sub-sp. chinensis). The extracts of betel nut consisted of six concentrations included 20, 30, 40, 50, 60 %, and pure water as a control.  The extracts were sprayed on the pakchoy plants infested by diamondback moth.  The application of betel nut extracts have significantly increased insect’s mortality and decreased the attacked intensity on the cabbages by the insect. The highest mortality of insects was 72.5%, whereas the lowest attack intensity was 6.29% were observed at the concentration of 60% of betel nut extract application. No significant effect was observed on the plant growth and yield.
DETEKSI VIRUS TUNGRO PADA PADI DI BENGKULU Mimi Sutrawati; Yenny Sariasih; Priyatiningsih Priyatiningsih; Fausiah T. Ladja
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 21, No 2 (2019)
Publisher : Program Studi Ilmu Tanah Fakultas Pertanian UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.21.2.99-102

Abstract

[DETECTION OF TUNGRO VIRUS ON RICE IN BENGKULU]. Several types of viruses have been reported to infect rice plants in Indonesia, including tungro, dwarf grass, and empty dwarfs. The spread of tungro in Indonesia in the beginning was only limited to certain regions in South Sulawesi, South Kalimantan, West Nusa Tenggara and North Sulawesi, but later it expanded to East Java, Central Java and Yogyakarta. In this study a tungro disease survey was conducted in several areas in Bengkulu Province. Virus detection is done by Loop-medated isothermal amplification (LAMP). Observations in the field showed that there were typical symptoms of tungro infection in rice plants, namely orange leaves starting from leaves to 2 and 3, little tillers, stunted plant growth. The results of detection with LampPCR showed rice samples from the district Pondok Kelapa Kab Bengkulu Tengah is positively infected with tungro virus.
DAMPAK SISTEM OLAH TANAH DAN MULSA TANDAN KOSONG KELAPA SAWIT TERHADAP PERTUMBUHAN, HASIL JAGUNG MANIS (Zea mays saccharata) DAN TATA AIR TANAH Andreas Junico Marulitua Situmorang; Bandi Hermawan; Hesti Pujiwati
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 21, No 2 (2019)
Publisher : Program Studi Ilmu Tanah Fakultas Pertanian UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.21.2.68-74

Abstract

[IMPACT OF THE TILLAGE SYSTEM AND OIL PALM EMPTY FRUIT BUNCH MULCH ON GROWTH, YIELD OF SWEET CORN (Zea mays saccharata) AND GROUNDWATER SYSTEM].  This study aims to determine the impact of land management and the use of oil palm empty fruit bunches (TKKS) mulch. This research was conducted from August to October 2018, arranged in a split plot design with two factors. As a first factor, land management consists of unprocessed, plowed, and plowed and harrowed. The treatment of oil palm empty fruit bunches mulch as the second factor consisted of no mulch, 9 tonnes/ha of mulch, 12 tonnes/ha of mulch, and 15 tonnes/ha of mulch. Plant variables observed consisted of plant height, stem diameter, number of leaves, fresh plant weight, plant dry, ear weight, ear length, ear diameter. Soil variables observed were the redistribution of groundwater and infiltration. The results showed no significant interaction between the tillage system and the application of oil palm empty fruit bunch mulch on all observed variables. Treatment without tillage or mulch dose of 12 tons/ha can provide growth and yield of sweet corn plants better than other treatments. The highest water content and infiltration rate were obtained from the dosage of oil palm empty bunches mulch 15 tons/ha. Soil cultivation by plowing and harrowing produces the highest infiltration rate compared to lower tillage intensities. About 18% to 42% of the diversity of growth and yield of sweet corn plants have a significant relationship with the diversity of groundwater.
KERAGAAN PERTUMBUHAN DAN TINGKAT KELAYAKAN USAHA TANI TIGA VARIETAS BAWANG MERAH : STUDI KASUS DI KECAMATAN SELUPU REJANG KABUPATEN REJANG LEBONG PROVINSI BENGKULU Yulie Oktavia; Yartiwi Yartiwi; Ahmad Damiri
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 21, No 2 (2019)
Publisher : Program Studi Ilmu Tanah Fakultas Pertanian UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.21.2.103-107

Abstract

 [PERFORMANCE OF GROWTH AND ANALYSIS OF FARM BUSINESS THREE SHALLOT VARIETIES : CASE STUDY IN SELUPU REJANG REJANG LEBONG REGENCY PROVINSI BENGKULU]. The results of shallots from one region to another in Indonesia are very varied, which is partly due to differences in varieties cultivated. However, high productivity does not necessarily lead to high income. The research aims to compare the productivity and farming of three varieties of shallots, namely Maja Cipanas, Batu Ijo, and Selupu Merah.  This research was conducted in June - July 2018 in Air Duku Village, Selupu Rejang District, Rejang Lebong Regency. Data collected includes agronomic performance (plant height, wet tuber/clump weight, number of tubers/clump, tuber weight, and tuber diameter) and farm economic performance (input, output, and income costs).  The results showed that the wet tuber productivity of the greatest Selupu Merah varieties compared to Batu Ijo and Maja Cipanas, respectively, amounted to 24.47 tons/ha, 22.30 tons/ha, and 14.07 tons/ha. Average plant height, wet tuber weight per clump, weight per tuber, and tuber productivity of Selupu Merah varieties showed the highest results and were significantly different from Batu Ijo and Maja Cipanas. The exciting thing from this research; although Selupu Merah variety shows agronomic superiority, Maja Cipanas variety is more profitable to be cultivated. The value of the RC Ratio of Maja Cipanas variety is 2.81, with a total income of Rp 330,645,000 /ha/planting season. This value is higher than that of Batu Ijo and Selupu Merah varieties, with RC Ratio values of 1.85 and 1.49, respectively, and total income of Rp 379,100,000 and 305,875,000 /ha/planting season. This research shows that although crop productivity is higher, it is not necessarily more economically feasible. 
PENGGUNAAN KOMPOS TANDAN KOSONG KELAPA SAWIT SEBAGAI SUBTITUSI PUPUK NPK DALAM PEMBIBITAN AWAL KELAPA SAWIT Andi Kurnia Agung; Teguh Adiprasetyo Adiprasetyo; Hermansyah Hermansyah
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 21, No 2 (2019)
Publisher : Program Studi Ilmu Tanah Fakultas Pertanian UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.21.2.75-81

Abstract

[THE USE OF OIL PALM EMPTY-FRUIT-BUNCHES COMPOST AS THE SUBTITUTE FOR NPK FERTILIZER IN THE OIL PALM PRE-NURSERY]. Compost of oil palm empty fruit bunches (OPEFB) is rich in nutriets needed to support the plant growth and offers as the substitute for chemical fertilizers. The purpose of this study was to determine the rates OPEFB compost and NPK fertilizer applications on the best suited for the growth of oil palm seedlings during pre-nursery. The OPEFB compost at 50, 100, and 150 g/pot was applied in factorial combination with with NPK at 0.0, 2.5, and 5.0 g/pot. Data were collected for seedling height, stem diameter, leaf number and leaves greenness. Higher leaf number was observed when OPEFB compost applied at 100 or 150 g/plot with or without additional NPK. Seedling height, stem diameter, and leaves greenness were increased with the application of OPEFB compost at 50 g/pot but no further increase with the additional rates. Additional application of NPK only increased the leaf greenness.

Page 9 of 21 | Total Record : 209

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