Jurnal Ilmu-Ilmu Pertanian Indonesia

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ISSN : 14110067
Total articles ≅ 57
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Arif Nugroho, Herry Gusmara, Bilman Wilman Simanihuruk
Jurnal Ilmu-Ilmu Pertanian Indonesia, Volume 21, pp 91-98; doi:10.31186/jipi.21.2.91-98

Abstract:
[THE IMPACT OF PALM OIL SLUDGE RESIDUES AND DOLOMITE RESIDUES ON GROWTH AND YIELD OF PEANUT (Arachis hypogaea L.) IN ULTISOL]. This study aims to determine the best interaction between palm oil sludge (POS) residues and dolomite residues, determine the best POS residue, and determine the best dolomite residue in the growth and yield of peanut plants. This research was conducted from March 2018 to June 2018, the design used was a Complete Randomized Block Design (RCBD) with two factors. The first factor is POS residue with 3 levels, 0, 10, and 20 tons/ha. The second factor is dolomite residue with 4 levels, namely 0, 2, 4, and 6 tons/ha. The results showed that the best treatment combination was obtained from oil POS residue of 10 tons/ha and dolomite residue of 2 tons/ha which produced the highest total root nodule weights of 0.2417 g. POS residue of 20 tons/ha gives the highest yield on the growth component, which is an average plant height of 16.72 cm. POS residue of 10 tons/ha gave the highest yield on the growth component, namely dry stover weight of an average of 9.57 g, as well as the yield component of 45.20 total pods, 32.84 pods, total pod weight 43.47 g, and the weight of pith pods weighing 36.60 g. The highest total dry pod weight was 2.71 tons/ha. Dolomite residue gave a higher yield on all growth variables and observed results, with the highest total dry pod weight being 2.68 tons/ha.
Mimi Sutrawati, Yenny Sariasih, Priyatiningsih Priyatiningsih, Fausiah T. Ladja
Jurnal Ilmu-Ilmu Pertanian Indonesia, Volume 21, pp 99-102; 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.
Desy Aryani, Uswatun Nurjannah, Hasanudin Hasanudin
Jurnal Ilmu-Ilmu Pertanian Indonesia, Volume 21, pp 115-120; doi:10.31186/jipi.21.2.115-120

Abstract:
[THE USE OF PAITAN BIOMASS (Tithonia diversifolia) (Hemsley) A. Gray AS A FERTILIZER IN INCREASING PEANUT YIELD]. Peanuts are one of the food crops having high economic value due to their nutritional content, especially high protein and fat. Peanut crop production has decreased due to infertile land with poor in nutrients. Efforts to increase peanut production is by including organic paitan (T. diversifolia) provision. This study aims to obtain the optimum dose of T. diversifolia compost on the yield of peanuts. This research was carried out in Pekik Nyaring Village, Bengkulu, with a height of ± 25 m above sea level, from February to April 2018. The design used was a complete randomized block design with a single factor consisting of 6 levels of treatment with four replications. Factor dosage of paitan compost fertilizer (T. diversifolia) is 0 tons/hectares, 5 tons/hectares, 10 tons/hectares, 15 tons/hectares, 20 tons/hectares, and 25 tons/hectares. Data were analyzed using analysis of variance at a 5% level. The results showed that the optimum dose of 15.5 tons/hectares produced 6.54 branches. The dosage of T. diversifolia compost 25 tons/hectares produced the highest number of pithed pods (36.08 pieces), the heaviest pith weighted pods (111.58 g), and the heaviest seed weight (87.06 g).
Yulie Oktavia, Yartiwi Yartiwi, Ahmad Damiri
Jurnal Ilmu-Ilmu Pertanian Indonesia, Volume 21, pp 103-107; 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.
Muhammad Iqbal, Faiz Barchia, Atra Romeida
Jurnal Ilmu-Ilmu Pertanian Indonesia, Volume 21, pp 108-114; doi:10.31186/jipi.21.2.108-114

Abstract:
[GROWTH AND YIELD OF MELON PLANT (Cucumis melo L.) IN DIFFERENT COMPOSITION OF PLANT MEDIA AND DIFFERENT FREQUENCY OF NPK APPLICATION]. This study aims to determine the best combination of planting media composition and frequency of NPK fertilization on the growth and yield of melon plants. The research was conducted in October 2018 - January 2019 on the land located in Bentiring, Muara Bangkahulu District, Bengkulu City. The design used in this study was a Completely Randomized Design (CRD) consisting of two factors and three replications. The first factor was the composition of the media for plant growth, which consists of three different media composition, namely: sand: soil: manure (30%: 50%: 20%), sand: soil: manure (10%: 60%: 30%), and sand: soil: manure (20%: 70%: 10%). The second factor is the frequency of NPK fertilization consisting of four types of fertilization, namely: 1 time NPK fertilization during planting, 2 times NPK fertilization during planting and 10 days after planting (dap), 3 times NPK fertilization during planting, 10 dap and 20 dap, and 4 times NPK fertilizing during planting, 10 dap, 20 dap and 30 dap. The dose given is 15 g/plant (equivalent to 800 kg/ha) and NPK fertilizer given in the form of compound fertilizer N: P: K 16:16:16. The results showed that the best composition of the planting media was found in the treatment of sand media: soil: manure (10%: 60%: 30%). The best fertilizing frequency was found in the treatment of NPK fertilizing 4 times during planting, 10 dap, 10 dap, 30 dap, and the combination of both produces the most substantial plant length, weight, and fruit circumference
Cintya Ramadhani, Sumardi Sumardi, Bambang Gonggo Murcitro
Jurnal Ilmu-Ilmu Pertanian Indonesia, Volume 21, pp 121-128; doi:10.31186/jipi.21.2.121-128

Abstract:
[APLICATION OF TWO AMELIORANT TYPES OF OKRA PLANT PERFORMANCE (Abelmoschus esculentus) IN ULTISOL]. This study aims to determine the dosage of dolomite lime and the type of organic fertilizer that can produce the highest performance of okra plants. This research is an experiment that was compiled based on factorial CRD. The first factor is dolomite dosage, which consists of three levels; 1.11 tons/ha, 1.76 tons/ha, and 2.40 tons/ha. The second factor is the type of organic fertilizer consisting of three types; chicken manure, cow manure, and palm oil solid organic fertilizer. The results showed that the dolomite dose of 2.4 tons/ha produced the highest number of fruits/plants (5.8 fruits) and the heaviest fruit/plant weights (82.1 g). Chicken manure and cow manure produce the highest plant height performance okra (29.8 cm - 31.6 cm), the largest stem diameter (72.8 mm - 73.8 mm), the highest number of branches (3 stems), the number most fruits / plants (5 - 7) and the largest fruit / plant weight (72.4 g - 81.4 g). The interaction between dolomite dosage and organic fertilizer did not significantly affect the performance of okra plants.
Desi Lestari, Edhi Turmudi, Dotti Suryati
Jurnal Ilmu-Ilmu Pertanian Indonesia, Volume 21, pp 82-90; 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.
Andi Kurnia Agung, Teguh Adiprasetyo Adiprasetyo, Hermansyah Hermansyah
Jurnal Ilmu-Ilmu Pertanian Indonesia, Volume 21, pp 75-81; 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.
Andreas Junico Marulitua Situmorang, Bandi Hermawan, Hesti Pujiwati
Jurnal Ilmu-Ilmu Pertanian Indonesia, Volume 21, pp 68-74; 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.
Eky Santo, Djamilah Djamilah, Entang Inoriah
Jurnal Ilmu-Ilmu Pertanian Indonesia, Volume 21, pp 1-8; doi:10.31186/jipi.21.1.1-8

Abstract:
[THE EFFECTIVENESS Jatropha curcas (L.) LEAF EXTRACTS IN INHIBIT ROOT-KNOT NEMATODE (Meloidogyne spp.) INJURIES ON TOMATO]. One of the main problems in tomato cultivation is the attack of root purse nematodes (Meloidogyne spp.). Some methods of controlling Meloidogyne spp. which can be done including using plants as vegetable nematicides. This study aims to get the concentration of Jatropha leaf extract which is effective in inhibiting the Meloidogyne spp attack on tomato plants. This study used 48 plants, 24 plants for observation 35 days after planting and 24 plants for observation until the age of 77 days after planting. This study used a Completely Randomized Design (CRD) with the treatment of Jatropha leaf extract concentrations (0%, 10%, 20%, 30%, 40%, 50%), and repeated four times. The results showed Jatropha curcas extract in inhibiting the attack of root purse nematodes (Meloidogyne spp.) can maintain plant height, fruit number, fruit weight, and plant stover wet weight 35 days after planting, but no significant effect on stover wet weight plants 77 days after planting and dry weight of plant stover 35 days after planting and 77 days after planting. The concentration of Jatropha leaf extract tends to increase the concentration, the smaller the rate of infection and the population of Meloidogyne spp on tomato plants. The concentration of Jatropha leaf extract 35% - 45% is the optimum concentration in inhibiting Meloidogyne spp. on tomato plants.