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INDONESIA
Jurnal Agroekoteknologi
ISSN : -     EISSN : 25487108     DOI : -
Core Subject : Agriculture,
Journal of Agroecotechnology contains articles directly sourced from the results of research related to the cultivation of plants related to soil, plants, weeds, pests and diseases.
Arjuna Subject : -
Articles 151 Documents
PENGARUH PUPUK ORGANIK (Azolla pinnata) TERHADAP C-ORGANIK TANAH, SERAPAN N DAN BOBOT KERING TANAMAN PADI (Oryza sativa L.) PADA TANAH DENGAN TINGKAT SALINITAS TINGGI Arafah, Mayang Sunduz; Setiawati, Mieke Rochimi; Nurbaity, Anne
Jurnal Agroekoteknologi Vol 9, No 1 (2017)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/j.agrtek.v9i1.5040

Abstract

Utilizing organic fertilizer Azolla pinnata is needed especially for rice commodity which planted in salin soil in coast area for increasing the efficiency of inorganic fertilizer by adding organic matters. This research was aimed to get the best combination of utilizing organic fertilizer Azolla pinnata to increase total organic carbon, nitrogen uptake, and dry weight of rice in saline soil. This research used Randomized Complete Block Design experiment which consisted of eight combinations of treatment. Those are treatment of salinity 0, 2, 4 and 6 mmhos cm-1 + without utilizing organic fertilizer Azolla pinnata and treatment of salinity 0, 2, 4, and 6 mmhos cm-1 + utilizing organic fertilizer Azolla pinnata. The result showed that utilizing organic fertilizer Azolla pinnata can reduce the negative effect from salinity which proven by increased N uptake of rice in treatment of salinity 6 mmhos cm-1.Keywords: Azolla pinnata, Rice (Oryza sativa L.), Soil with high salinity level
PERTUMBUHAN DAN HASIL KACANG HIJAU (Vigna radiata L. Wilczeck) YANG DIPUPUK N DENGAN DOSIS BERBEDA DAN PENYIANGAN ., Rusmana
Jurnal Agroekoteknologi Vol 9, No 1 (2017)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/j.agrtek.v9i1.5045

Abstract

The research was conducted to know the effect of different doses of nitrogen fertilizer on the land without and with weeding. The experiments used Randomized Completely Block Design as Factorial was conducted at Sitandu Curug Serang. The result showed that the difference of dosage of N fertilizer up to 100 kg Urea ha-1 did not show the difference of green bean plant yield. Weeding once a week could increase the yield and the components of green beans about 78.3% both the number of pods per plant and the weight of seeds per plant.Keywords: Green bean, Nitrogen, Weeding
PENGARUH BAKTERI ENDOFITIK DAN Azolla pinnata TERHADAP POPULASI BAKTERI ENDOFITIK, KANDUNGAN N, DAN BOBOT KERING P PADI (Oryza sativa L.) PADA TANAH BERSALINITAS ., Melani; Saribun, Daud Siliwangi; Setiawati, Mieke Rochimi
Jurnal Agroekoteknologi Vol 9, No 1 (2017)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/j.agrtek.v9i1.5039

Abstract

Nitrogen deficiency is the main problem of rice growth in salt stress condition. Endophytic bacteria has an ability to enhance the number of available N in plant tissue by fixing N from the atmosphere, meanwhile Azolla pinnata has high content of N that can increase the available N in soil. The aim of this research was to know the limit of salinity stress tolerance in rice with application of endophytic bacteria and A. pinnata to enhancing the population of endophytic bacteria, N content, and dry weight of rice on soil with salinity. The research was conducted on March 2016 until March 2017 at the Green House of Ciparanje Universitas Padjadjaran. Samples were analized at the Laboratory of Soil Biology and Laboratory of Soil Fertility and Plant Nutrion, Faculty of Agriculture, Universitas Padjadjaran. The design experiment used was single factor randomized block of 8 treatments and 4 repetitions. The treatments consisted of with and without the application of endophytic bacteria and A. pinnata on soil with salinity of 0, 2, 4, and 6 mmhos cm-1. The results showed that the application of endophytic bacteria and A. pinnata gave the significant difference on the population of endophytic bacteria, N content, and dry weight of rice up to 4 mmhos cm-1.Keywords: Azolla pinnata, endophytic bacteria, rice, salinity
PENGARUH PEMBERIAN BEBERAPA JENIS PUPUK KOTORAN HEWAN DAN KONSENTRASI AIR KELAPA TERHADAP HASIL TANAMAN TOMAT (Lycopersicum esculentum Mill.) Ritawati, Sri; Firnia, Dewi; Rosyitah, Ita
Jurnal Agroekoteknologi Vol 9, No 1 (2017)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/j.agrtek.v9i1.5044

Abstract

This research was aimed to know effect of some kinds of cow manures application and coconut water concentration to yield of tomato (Lycopersicum esculentum Mill). This research was conducted in the experimental farm Singamerta Institute for Agricultural Technology Banten. Starting from September until December 2013. The research used Randomized Completely Block Design, concisted of two factors. The first factors was the giving of cattles manures with three levels, they were : P0 (control), P1 (chicken manure) and (P2) cow manure. The second factor was coconut water concentration with four levels, they were: K0 (control), K1 (coconut water concentration 500 ml + water 500 ml), K2 (coconut water concentration 750 ml + water 250 ml ) and K3 (coconut water concentration 1000 ml). The result showed that the giving chicken manure gave the significant effect on number of fruits (4.53 fruit), the weight of fruits (84.63 g), diameter of fruits (28.16 mm). While the 1000 ml of coconut water concentration gave the significant effect on the weight of fruits (85.10 g) and the diameter of fruits (28.68 mm).Keywords: Coconut water, Cow manures, Tomato 
PENGARUH ZAT PENGATUR TUMBUH TRIAKONTANOL DAN JARAK TANAM TERHADAP PERTUMBUHAN TANAMAN TEMBAKAU (Nicotiana tabacum L.) KULTIVAR NANI Purwoko, Bayu Adji; Suherman, Cucu; Maxiselly, Yudithia
Jurnal Agroekoteknologi Vol 9, No 1 (2017)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/j.agrtek.v9i1.5043

Abstract

Tobacco plant (Nicotiana tabacum L.) is an estate crop commodity that play an important role as a source of farmers and state income. The production of tobacco Cultivar Nani is categorized as low. The cultivation technique is not optimalized by the average of tobacco farmers was the factor. In consequence, cultivation technique improvement is required. Optimization of plant spacing and plant growth regulator triacontanol treatment are believed as a way to increase tobacco’s production along with the increase of plant growth. The purpose of this research was to find out the interaction between plant growth regulator triacontanol treatment and plant spacing on growth of tobacco Cultivar Nani. This experiment was conducted from January until June 2017 at the Ciparanje Experimental Station Faculty of Agriculture, Universitas Padjadjaran, Jatinangor, Sumedang, Province of West Java. This experiment was conducted using a split plot design with two factors and three replications. Plant spacing treatment as main plot was consisted of three level treatments that is 30 cm x 80 cm, 40 cm x 80 cm, and 50 cm x 100 cm. Plant growth regulator triacontanol as sub plot was consisted of four levels treatments that is 0 ppm, 500 ppm, 1000 ppm and 2000 ppm. The result of this experiment showed that there was interaction between triacontanol treatment and plant spacing in chlorophyll content of tobacco’s leaf. Plant spacing 30 cm x 80 cm was significant in tobacco’s height on 7 weeks after planting. Giving 2000 ppm concentration of triacontanol with 40 cm x 80 cm space generated to highest content of chlorophyll in tobacco’s leaf and efficient seed usage.Keywords: Growth, Plant spacing, Tobacco, Triacontanol
PENGARUH ABU VULKANIK GUNUNG SINABUNG DAN BATUAN FOSFAT DALAM BENTUK NANOPARTIKEL TERHADAP RETENSI P, DELTA pH, DAN KEJENUHAN BASA PADA ANDISOLS CIATER, JAWA BARAT Arifin, Mahfud; Yuniarti, Anni; Dahliani, Dewi
Jurnal Agroekoteknologi Vol 9, No 1 (2017)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/j.agrtek.v9i1.5048

Abstract

Andisols is a soil that develops from pyroclastic materials of volcanic eruption with the high P-Retention (85% or more). The aim of this research was to know the effect between the ameliorant of Sinabung volcanic ashes with the ameliorant of phosphate rock in nanoparticle form towards the P-retention, Delta pH and the base saturation on Ciater's Andisols, West Java. A Randomized Completely Block Design as factorial with two factors was used in this research. The first factor was the volcanic ash and the second factor was phosphate rock which consisted of four levels each amount of 0%, 2.5%, 5%, 7.5% with three replications. The result of this research showed that there was an interaction between the giving of volcanic ashes and the phosphate rock in nanoparticle form on the delta pH with the base saturation in the 1st month and also there was an independent effect on the P-retention with the base saturation in the 4th month. Combination of volcanic ashes with phosphate rock in nanoparticle form which is the dose combination of 2,5% each increased the delta pH in the 4th month incubation. The dose combination of volcanic ashes 7,5% with phosphate rock 5% increased the base saturation in the 1st month incubation. Volcanic ashes and phosphate rock each 7,5% decreased the P-Retention in the 1st month incubation.Keywords: Allophane, Andisols, Phosphate rock, Volcanic ashes
KONSENTRASI LILIN DAN KEMASAN POLIETILEN TERHADAP UMUR SIMPAN BUAH SAWO (Achras zapota L.) Rahayu, Ririn; Eris, Fitria Riany
Jurnal Agroekoteknologi Vol 9, No 1 (2017)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/j.agrtek.v9i1.5042

Abstract

Waxing and wrapping are one way that can be used to extend the shelf life of horticultural products. By doing waxing and wrapping on Sapodilla, it was expected to increase the shelf life of the fruit, so in marketing, Sapodilla quality could be improved. This research was used to know the effect of wax concentration and polyethylene wrapping on shelf life in Sapodilla. This study using Randomized Completely Block Design. The treatment in this research was beeswax (Control, 3%, 6%, 9% and 12% that applied in 30 minutes soaking and Polyethylene Wrapping (polyethylene wrapping and without polyethylene wrapping). The result showed that sapodilla coated with a wax concentration of 9% and polyethylene wrapping had longer shelf life for 12 days.Keywords: Polyethylene, Sapodilla, Waxing, Wrapping
PENGARUH BOKASHI KOTORAN SAPI DAN PUPUK FOSFAT TERHADAP MUTU FISIOLOGIS BENIH KEDELAI (Glycine max L. Merill) KULTIVAR GROBOGAN M, Wulandari M; ., Sumadi; Kadapi, M
Jurnal Agroekoteknologi Vol 9, No 1 (2017)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/j.agrtek.v9i1.5047

Abstract

The most important increasing productivity soybean in physiological quality of seed. There for, soybean cultivation also improving soil quality for increase yield and seed quality. This research was aimed to obtain the best combination doses of bokashi cattle manure and phosphate fertilizer on yield and seed quality. This research was held at Faculty of Agriculture Padjadjaran University experimental garden in Sumedang regency and Seed Technology Labotary from November 2016 to Februari 2017. The design that used in this research was Randomized Completely Block Design and Scott-Knott at 5% rate. Treatment used in this research were Grobogan cultivars with tested combinations doses bokashi 0 t ha-1, 16 t ha-1, 32 t ha-1 and 48 t ha-1, each combined with (SP-18) doses 0 kg ha-1, 16 kg ha-1, 32 kg ha-1 and 48 kg ha-1 which were repeated three times. The result of experiment indicated significantly for weight 100 grains and quality of seed. This experiment suggested that dosage of 48ton/ha bokashi cattle manure and 32 kg ha-1 phosphate fertilizer in the best combinations of soybean crop.Keywords: Bokashi, Phosphate fertilizer, Physiological quality, Soybean seed
APLIKASI KONSORSIUM PUPUK HAYATI TERHADAP POPULASI BAKTERI PELARUT FOSFAT DAN BOBOT KERING PADI (Oryza sativa L.) PADA BEBERAPA TINGKAT SALINITAS Puspafirdausi, Fidya A; Sofyan, Emma Trinurani; Fitriatin, Betty Natalie
Jurnal Agroekoteknologi Vol 9, No 1 (2017)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/j.agrtek.v9i1.5046

Abstract

Salinization of soil in coastal area is a serious problem and is increasing steadly. Application biofertilizer consortium is able to improve productivity of rice crops (Oryza sativa L.) grown in saline soils. Biofertilizer supplies nutrients and phytohormones that are beneficial for plant. The aim of this research was to find combination effects of biofertilizer consortium on population of phosphate solubilizing bacteria and dry weight of paddy grown in several level of salinity. This research was conducted from December 2016 until February 2017 at greenhouse of Faculty of Agriculture, Universitas Padjadjaran with altitude 752 meters above sea levels. This research used Randomized Completely Block Design with single factor experiment which consisted of eight combinations of biofertilizer (Azotobacter sp., Azospirillum sp., endophytic bacteria, PSB, and AMF) and salinity with four replications: A (non saline 0 mmhos cm-1), B (non saline of 0 mmhos cm-1 + biofertilizer), C (salinity of 2 mmhos cm-1), D (salinity of 2 mmhos cm-1+ biofertilizer), E (salinity of 4 mmhos cm-1), F (salinity of 4 mmhos cm-1+ biofertilizer), G (salinity of 6 mmhos cm-1), H (salinity of 6 mmhos cm-1+ biofertilizer). The result showed that at salinity level of 2-4 mmhos cm-1 the crops still survived growing under salinity stress. Salinity treatment of 2 mmhos cm-1 + biofertilizer significantly affected popuation of phosphate solubilizing bacteria and salinity treatment of 4 mmhos cm-1 + biofertilizer significantly affected dry weight of rice.Keyword: Biofertilizer, Dry weight of rice, Paddy (Oryza sativa L.), Population of phosphate solubilizing bacteria, Saline soils
PENGARUH LAMA PENYIMPANAN JAMUR Metarhizium anisopliae TERHADAP MORTALITAS ULAT GRAYAK (Spodoptera litura F.) DI LABORATORIUM Hastuti, Dewi; Rusbana, Tubagus Bahtiar; Hidayatullah, Djamaludin Noor
Jurnal Agroekoteknologi Vol 9, No 1 (2017)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/j.agrtek.v9i1.5041

Abstract

This research was aimed to know the effectiveness level of different storage time of the fungus Metarhizium anisopliae to armyworm at Laboratory. The research was conducted at BPTPH Region 1 Banten as a repository of biological agents Metarhizium anisopliae and Soil & Agroklimat Laboratory of Agriculture Faculty, Untirta. This research was carried out from October 2015 until February 2016. Environmental design used Randomized Block Design non factorial, with the treatment was storage time of biological agents Metharizium anispoliae that have three levels, i.e. the storage time for 1, 2 and 3 months. Four testing trials include mortality, LT50 test, conidia test, test the intensity of the attacked and describe the morphology of the fungus-infected larvae Metharizium anisopliae. These results showed that the storage time was highly significant in the mortality of Spodoptera litura Fabricius larvae. Provision storage 1 month-long treatment was the best treatment to kill the larvae of Spodoptera litura Fabricius were infected Metharizium anisopliae fungus than the treatment for 2 and 3 months of storage. In the mortality test, LT50 test and intensity test of attacked larvae of Spodoptera litura Fabricius treatment 1 month storage time showed the best results compared to other treatments. The test of conidia density, treatment of storage time 1 month gave showed the highest.Keywords: Spodoptera litura F., Metharizium anisopliae fungus, Larvae mortality

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