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Jurnal Agroekoteknologi

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Published by Universitas Sultan Ageng Tirtayasa

ISSN : - EISSN : 25487108 DOI : -

Core Subject : Agriculture,

Agriculture, Biological Sciences & Forestry

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 267 Documents

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APLIKASI PUPUK ORGANIK, NPK DAN BPF PADA ULTISOLS UNTUK MENINGKATKAN C-ORGANIK, N-TOTAL, SERAPAN N DAN HASIL JAGUNG MANIS (Zea mays saccharata Sturt.) Anni Yuniarti; Yuliati Machfud; Mita Mita
Jurnal Agroekoteknologi Vol 6, No 1 (2014)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

This research was conducted to find out the interaction of organic fertilizer, NPK with BPF on Ultisols of the organic carbon, total nitrogen, N uptake, and result of sweet corn (Zea mays saccharata Sturt). The research was conducted from June to September 2013 at the Experimental Ciparanje, Faculty of Agriculture, Padjadjaran University, Jatinangor, Sumedang, West Java elavated at 724 meters above sea level. The experimental design used was Randomized Block Design (RAK) arranged in factorial pattern with 14 treatments and three replicates. The first factor is organic and NPK fertilizers (P) consisting of seven levels : without organic fertilizer and NPK; POPG + ½ dose of NPK; POPG + 1 dose of NPK: Compost + ½ dose of NPK; Compost + 1 dose of NPK; Manure + ½ dose of NPK; Manure + 1 dose of NPK. The second factor is the Solvent of phosphoric Bacteria (B) consisting of two levels : without the BPF and BPF 10 mL The results of experiment showed that there was not interaction effect between different called organic fertilizer and NPK with BPF of organic carbon, total nitrogen, plant uptake of N, and results of sweet corn. Independently organic fertilizer, NPK gave significant effect on organic carbon, total nitrogen, plant uptake of N, results of sweet corn and BPF was significant effect of organic carbon and plant uptake of N but has not siginificant effect of total nitrogen and results sweet corn. Treatment POPG with 1 dose of NPK shows the best formulations can improve results of sweet corn on Ultisols Jatinangor, that is 249,17 g plant-1 or 9 t ha-1.

RESPONS PERTUMBUHAN VEGETATIF TANAMAN SAWI (Brassica juncea L.) AKIBAT PERLAKUAN MEDIA TANAM DAN DOSIS PUPUK NITROGEN M. Idris
Jurnal Agroekoteknologi Vol 6, No 2 (2014)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

This study aims to get a response mustard plant vegetative growth effect treatment differences planting medium sand and differences of nitrogen fertilizer dosage and combination of both treatments. The research was conducted in the area of vilage Pangkalan Masyhur, altitude 25 m above sea level. The experiment was conducted from August to November 2014. This study used a randomized block design factorial consisting of two factors, namely M1 = Media mixed sandy soil: cow manure (ratio 1: 1), M2 = Media mixed sandy soil: cow manure (ratio 2: 1), M3 = Media mixed sandy soil: cow manure (ratio 3: 1) and the second factor is the dosage of nitrogen fertilizer by 4 levels ie N0 = 0 kg (without fertilizer), N1 = 250 kg ha-1(0.5 g polybag-1), N2 = 500 kg ha-1(1 g polybag-1), N3 = 750 kg ha-11.5 g polybag-1). Parameters observed in this study were plant height (cm), number of leaves, wet weight of each plant of each sample (g), wet weight plant of each polybag (g). The results showed that the planting medium significantly affected plant height, plant wet weight of each plant of each sample and wet weight plant of each polybag, but not significant effect on the amount of leaf mustard. The best result in the treatment of tthe planting medium sand with manure ratio 1 : 1 (M1). Urea dosing effect no significant effect on plant height, number of leaves and mustard plant wet weight of each sample per sample and mustard plant wet weight of each polybag. The combination of growing media and urea effect no significant effect on plant height, number of leaves and mustard plant wet weight of each sample and mustard plant wet weight of each polybag.

SKRINING BAKTERI ENDOFIT PERAKARAN PISANG SECARA IN VITRO SEBAGAI AGEN PENGENDALI HAYATI TERHADAP PENYAKIT LAYU BAKTERI (Ralstonia solanacearum) PADA TANAMAN PISANG Dewi Dewi Hastuti; Andree Saylendra; Eman Saeful Rohman
Jurnal Agroekoteknologi Vol 6, No 1 (2014)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

This research aimed to find and identify isolates ofendophytic bacteria in banana plants root to suppress bacterial wilt disease in banana plants (Musa aradisiaca) This research has been carried out in the Laboratory of Agroecology Department Faculty of Agriculture, Sultan Ageng Tirtayasa Universityfrom December 2012 to April 2013.This research used a completely randomized design consisting of a single factor that endophytic bacteria consisting of 10 levels: control (without bacteria), bacterial endophyte 1, bacterial endophyte 2, bacterial endophyte 3, bacterial endophyte 4, bacterial endophyte 5, bacterial endophyte 6, bacterial endophyte 7, bacterial endophyte 8, bacterial endophyte 9. The treatment repeated 4 times. The parameter done are the percentage of inhibition, antagonism between endophytic bacteria test, test bacterial gram on endophytic bacteria, and bacterial morphology. This researchindicated,that all bacteria hada potential antagonist to inhibit Ralstonia solanacearum. Of the 60 isolates, 30 isolates showed the ability to inhibit the growth of Ralstonia solanacearum in vitro. Totally of 9 isolates were selected as candidates obtained antagonist belonging to Bacillus sp. Three isolates that had the best inhibitory ability against Ralstoniasolanacearum were BE 10-812, 10-8 BE 13, and BE 10-8 29. These three isolates were identified as Bacillus sp.

RESPONS PERTUMBUHAN GULMA TUKULAN KELAPA SAWIT (Elaeis guineensis JACQ.) TERHADAP PEMBERIAN BEBERAPA JENIS DAN DOSIS HERBISIDA DI PTPN VIII KEBUN CISALAK BARU Dewi Hastuti; Rusmana x; Zaenal Krisdianto
Jurnal Agroekoteknologi Vol 6, No 2 (2014)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

This research had been conducted to determine the dose response of herbicide mixtures against weeds tukulan palm oil that has been held in PTPN VIII Kebun Cisalak Baru. This study used quantitative and qualitative methods with a Completely Randomized Design where treatment consists of two factors, there are 3 levels ie herbicide Glyphosate (H1), Paraquat (H2), Glyphosate + Paraquat (H3) and 4 levels of herbicide dose of 10 ml/0.5 liters of water (D1), 10 ml/1 liter of water (D2), 10 ml/1.5 liters of water (D3), 10 ml/2 liters of water (D4), which was repeated 3 times and each disc consists of two oil palm fruit oil palm plantations (tukulan) and thus require 36 disks palm and there were 72 experimental unit. Observation parameters include leaf chlorophyll content, leaf color, leaf shape and symptoms of poisoning. The results showed that the chlorophyll content parameter with a mixture of herbicides containing Glyphosate dose of Paraquat 5 ml + 5 ml + 0.5 liters of water have an effect on leaf chlorophyll parameters. Then the mixture of herbicides containing Glyphosate dose of Paraquat 5 ml + 5 ml + 1 liter of water affect the parameters of the symptoms of poisoning. While the herbicide mixture containing 10 ml dose of Paraquat + 0.5 liters of water affects the leaf color parameters.

POTENSI Azotobacter sp. ST.04 DAN KOMPOS Azolla pinata UNTUK MENINGKATKAN EFISIENSI BIODEGRADASI HIDROKARBON DALAM PROSES BIOREMEDIASI LIMBAH MINYAK BUMI Pujawati Suryatmana; Mieke Rochimi Setyawati
Jurnal Agroekoteknologi Vol 6, No 1 (2014)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

The Petroleum hydrocarbon waste is one of Pollutant contributing which cause problem in environmental. Azotobacter is a rizobacteria type which is capable fixating dinitrogen. The result investigation showed that Azotobacter sp strain AV04 is capable producing many extra-cellulary biomolecule. That strain AV04 known is capable producing a biomolecule which acting as strong bioemulsifier. Azolla pinata is a hydro plant that can contributes of N, P dan K nutrition to the Soil. This plant has potentialy as a nutrition organic source. The research was focused on the role of the two agents, i.e. Azotobacter sp starin AV04 as the biosurfactan producing bacteria and Azolla pinata composted in the biodegradation hydrocarbon processes. Results showed that the Total Petroleum Hydrocarbon (TPH) efficiency in the 1st week and 5th week, which was in the treatment of 10% (w/w) of A. pinata and 2% (v/w) of Azotobacter sp starin AV04, was reaching in value 56.15 % and 98.03 % respectively. In the optimum treatment showed that the TPH removal efficiency consistently was significantly rising up as long as 5 week period of bioremediation. The residue compounds of Petroleum after one week period incubation on the optimum treatment were constituting hydrocarbon comprise of 26 species of hydrocarbon compound, while at the same time and in the control treatment founded the hydrocarbon compounds remain were still about 37 species of Hydrocarbon compound.

INVENTARISASI TUMBUHAN PAKAN LEBAH MADU HUTAN DI DESA UJUNG JAYA KAWASAN TAMAN NASIONAL UJUNG KULON Nuniek Hermita
Jurnal Agroekoteknologi Vol 6, No 2 (2014)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Objective of this research was to identify plant potential as woof source of forest honeybee so woof that produce honey quality and quantity from forest honey bee is available and to identify participation of people around Ujung Kulon national park in guarding and conserving woof source plant for forest honeybee. It was survey research with quantitative method combined with qualitative method. It was conducted by taken sample of one population, to collect data. Information was analyzed qualitatively to obtain clear description on research result. To answers potential of woof plant for forest honeybee it used vegetation analysis and to measure people participation in Ujung Jaya village around Ujung Kulon national park in guarding and conserving plant of woof source for forest honeybee it used quantitative descriptive analysis it used non parametric statistic of Spearman rank correlation. The result indicate that it has been identified in field nine plant species as woof source of forest honeybee in the research site either cultivated or non cultivated by people in the area. Plants as woof source are Salam, Sigeung, Samangan, Kawai, Kijahe, Kiganik, Padipadi, Lame and Tongtolok. Based on spearman rank correlation test, participation level of people around Ujung Kulon national park in guarding and conserving woof source plant for forest honeybee correlate to respondent income with coefficient of 0.267*. The correlation score indicated strong association with people participation or has significant effect. Meanwhile, age and education level indicated weak association or no significant effect.

LIMBAH SAGU: POTENSI LOKAL UNTUK MEDIA PUPUK HAYATI Reginawanti Hindersah; A. Marthin Kalay; Agus Jacob; Abraham Talahaturuson
Jurnal Agroekoteknologi Vol 6, No 1 (2014)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Sago starch production leaves solid and liquid wastes that has not been used optimally. Both organic substances still contains a lot of nutrients, and could be processed into raw material for bio-fertilizers media. Solid waste, known as ela sago, has been developed into compost while the liquid waste did not. The objective of this study was to verify volume ratio of liquid inoculant of Azotobacter chroococcum in solid inoculant produced from ela sago; and determine the concentration of sago waste water as a growth medium of biofertilizer A. chroococcum. This study confirms population of A.chroocccum and T. harzianum in ela sago compost reached 106 cfu/g and 108 cfu/g consecutively following enrichment with either 2% or 4% of A. chroococcum liquid inoculant. Sago wastewater can used support A.chroococcum growth. This study proved that waste from sago starch production could be used as a natural medium for biofertilizer.

PENGARUH FREKUENSI PEMBERIAN AIR DAN DOSIS PUPUK KOTORAN AYAM TERHADAP PERTUMBUHAN DAN HASIL TANAMAN KAILAN (Brassica oleraceae var. Alboglabra) Sri Ritawati; Imas Rohmawati; Ai Nispatullaila
Jurnal Agroekoteknologi Vol 6, No 2 (2014)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

This research was aimed to know the response of frequency of plant watering and a dose of chicken manure fertilizer on kailan crops. This research was conducted at trial garden Singamerta Ciruas BPTP Banten from June to August 2014. This study used a Randomized Completely Block Design with two factors. The first factor was the frequency of the plant watering with four levels: F1= frequency of plant watering once a day, F2 =frequency of plant watering 2 days, F3 = frequency of plant watering 3 days, F4 = frequency of plant watering 4 days. The second factor was dose of chicken manure fertilizer with four level: P0 = without chicken manurefertilizer (control), P1 = 10 tonnes ha-1 (23.66 g per polybag), P2: 20 tonnes ha-1 (47.33 g per polybag), P3 = 30 tonnes ha-1 (71.00 g per polybag). Eachtreatment was repeated three times, so retrieved 48 the experimental units. The parameters observed were plant height, number of leaves, plant fresh weight, root fresh weight, root dry weight, and plant dry weight. The resultsshowed that frequency of water one day once tend to provide real influence on the parameters of the age of 35 DAP plant height (30.13 cm), number ofleaf age 35 DAP (11.67 strands), plant fresh weight (93.78 g), weight wet roots (9.19 g), root dry weight (2.87 g), and plant dry weight (12.40g). Provision of chicken manure fertilizer with a dose of 47.33 g (20 tonnes ha-1) significant effect on the parameters of the plant fresh weight (96.84 g).

RESPONS PERTUMBUHAN BIBIT KELAPA SAWIT (Elaeis guineensis Jacq.) DI PRE NURSERY AKIBAT PEMBERIAN PUPUK MELALUI DAUN Edy Usman; Meriyanto Meriyanto; Haris Haris
Jurnal Agroekoteknologi Vol 6, No 1 (2014)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

The study aimed to assess the aims of palm oil seeds in the growth response due to pre nursery fertilizer through the leaves. The research was conducted by using a randomized block design experiment, which consists of six treatments were repeated four times. Leaf manure treatment under study consists of: Urea (P1), Gandasil D (P2), Bayfolan (P3), Grow More (P4), NPK Blue (P5), and NPK Yellow (P6). Each treatment consisted of 10 plants that required as many as 240 plant. Parameters observed that plant height, number of midrib, girth and leaf area of plants. The results showed that the application of fertilizer through the leaves did not affect significantly to the growth of palm oil seedlings in pre nursey. In the tabulation of NPK yellow produce better relative growth than other treatments that produce number midrib as 5.25, 5.45 cm of girth and 540.33 cm2 leaf area.

FORMULASI BAHAN DASAR LENGKAP LARUTAN PENGAWET BUNGA POTONG KRISAN (Dendranthema indicum) Farida Iriani
Jurnal Agroekoteknologi Vol 1, No 2 (2009)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

ABSTRACTThe quality of cut flowers can be improved by soaking them in a preservative solution, containing three basic compounds, sucrose, citric acid, and Lysol (called the basic formula). A research was conducted to find out an exact formulation which can give an optimal result by mixing the basic formula with cytocinine as a growth substances or anti-ethylene molecule as an completing agent (called the complete basic formula) for chrysanthemum cut flower. This research was done in the plant physiology laboratorium at Faculty of Agriculture of Bandung Raya University, Bandung on July to August 2004 by using univariat Randomized Block Design method consists five treatments, which are basic formula, basic formula + cynetine, basic formula + BAP, basic formula + AOA, and basic formula + STS. The result shows that the quality of chrysanthemum cut flowers can be kept by soaking it in a basic formulation preservative solution only, which containts 48 x 103 mgL-1 sucrose + 241 mgL-1 citric acid + 800 mgL-1 lysol in 14 hours. Soaking the cut flowers in a preservative solution, the decreasing of fresh weight is also minimalized and relative 2-days water uptake is maximalized. The number of ethylene that synthesized and respiration activity of chrysanthemum cut flowers can be pushed by adding the cytocinine into basic formula. Key Words: Preservative Solution, Quality Of Chrysanthemum Flowers, Growth Substances Cytocinine, Anti-Ethylene

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