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https://doi.org/10.36873/agp.v20: UJI MUTU BENIH TIGA VARIETAS PADI (Oriza sativa L) PADA BEBERAPA WADAH SIMPAN The test quality seed of tree rice variety on the several storage containers, Suparto, H.*1), Widyawati, W.,2) dan Nurlaila2) Admin journal
AgriPeat Vol. 20 No. 02 (2019): JURNAL AGRIPEAT VOLUME 20 NOMOR 02, SEPTEMBER 2019
Publisher : Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/agp.v20i02.142

ABSTRACTThe aim of the study was to examine several storage containers for the quality of the seeds of threerice varieties. Using a randomized block design faktorial. The first factor is the storage container (W)consisting of W1 = open cardboard, W2 = gunny sack, W3 = plastic and W4 = can. The second factor isrice varieties consisting of V1 = inpara 3, V2 = situbagendit and V3 = towuti. The physiological qualityvariables observed are water content, germination power and the potential for maximum seed growth.The results showed that the storage container and variety had an effect on water content, germinationand the potential for maximum seed growth. The physiological quality of Towuti seeds can bemaintained for up to 70 days in a sealed storage container in the form of cans.Keywords: seeds, rice variety and storage container

https://doi.org/10.36873/agp.v20: KAJIAN EROSI, ALIRAN PERMUKAAN DAN KEHILANGAN HARA PADA TANAMAN KELAPA SAWIT DENGAN UMUR YANG BERBEDA Study of Erosion, Runoff and Nutrient Losses from Oil Palm Plantation with Different, Ages Purwanto, E.1), Jaya, A.,*1) Widiastuti, L.,1), Birawa, C.,2), Adji, F. F.,1) dan Anwar, M1) Admin journal
AgriPeat Vol. 20 No. 02 (2019): JURNAL AGRIPEAT VOLUME 20 NOMOR 02, SEPTEMBER 2019
Publisher : Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/agp.v20i02.143

ABSTRACTErosion brings more fertile soil layers, rich in organic matter and nutrients causing loss of plantnutrients. The research aims to study the amount of surface runoff, erosion and nutrient loss in oilpalm plantations of different ages. This research was conducted at PT. Kalimantan Hamparan Sawit,Gunung Mas Regency, lasted for 4 months from May to August 2018. The method used wasmeasurement on an erosion plots of 15mx25m size, covering the amount of erosion, surface runoff andnutrient analysis in the laboratory. The results showed surface runoff on palm oil for 3 years, greaterthan palm oil for 5 years for each rainfall events. The surface flow in 3-year palm is 1.90mm and 5-year palm is 1.50 mm. The average erosion in 3-year palm is 0.07 tons ha-¹, whereas for 5-year palm is0.05 tons ha-¹. The total N-loss in surface runoff in 3-year palm is 0.0036 kg ha-¹ and 5-year palm is0.0017 kg ha-¹. P-available at 3-year palm at 0,0005 kg ha-¹, while 5-year palm at an average of0,0004 kg ha-¹. K loss in 3-year palm is 0.0292 kg ha-¹ and 5-year palm is 0.0108 kg ha-¹. Nutrientloss in erosion in oil palm for 3 years is greater than oil palm in 5 years. The total N-loss in 3-yearpalm is 13.53 kg ha-ha and in 5-year palm is 11.94 kg ha-¹. The 3-year palm oil P is 1.05 kg ha-¹,while the 5-year palm oil is 0.90 kg ha-¹. K loss in 3 years oil palm was 2.54 kg ha-¹ and 5 years palmoil was 2.42 kg ha-¹.Keywords: Runoff, erosion, oil palm, nutrient

https://doi.org/10.36873/agp.v20: PENGARUH KONSORSIUM AGENS HAYATI DAN JARAK TANAM TERHADAP KEJADIAN PENYAKIT BUSUK PUTIH (Sclerotium cepivorum Berk.) PADA BAWANG DAUN Influence of The Consortium of Biological Agents and Spacing to White Rot Disease (Sclerotium cepivorum Berk.) of Scallio, Mulyani, R. B.,*1), Djaya, A. A., 1) dan Zubaidah, S. 1) Admin journal
AgriPeat Vol. 20 No. 02 (2019): JURNAL AGRIPEAT VOLUME 20 NOMOR 02, SEPTEMBER 2019
Publisher : Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/agp.v20i02.144

ABSTRACTThis study aims to determine effective management patterns to control Sclerotium rot and to improvepeat soil fertility with the application of the Trichoderma sp + Aspergillus sp consortium.as biologicalagents and P solvents, combined with spacing arrangements in the cultivation of scallion in peatlands.The study used a factorial randomized block design consisting of two factors with four replications.Factor I Application of biological agents consists of: A0 = No biological agents; A1 = Consortium ofTrichoderma sp. + Aspergillus sp; Factor II Plant spacing, consisting of J1 = 20x25 cm; J2 = 25x25cm and J3 = 30x25 cm. The results showed that the interaction treatment of Trichoderma sp. +Aspergillus sp. and spacing of 25x25 cm effectively suppresses the incidence of white rot disease(Sclerotium cepivorum Berk) up to 34.02%, while at a spacing of 20x25 cm with the application ofTrichoderma sp. + Aspergillus sp. produced the highest fresh plant weight of 8.80 kg plot-1 or 24.44tons hectares-1. Increasing the number of leaves is only influenced by a single factor of biologicalagents (23.29%) and spacing of 25x25 cm (19.7%). Application of Trichoderma sp. + Aspergillus sp.can increase the nutrient content of N, P (total and available), K and peat soil organic matter.Consortium of biological agents Trichoderma sp. and Aspergillus sp. indigenous have the potential tobe developed as biological agents and biofertilizers, with optimum spacing can be applied to themanagement of scallion cultivation in peatlands.Key words: Sclerotium cepivorum Berk, scallion, Trichoderma sp. and Aspergillus sp., spacing

https://doi.org/10.36873/agp.v20: PERSEPSI PETANI SAYURAN LAHAN GAMBUT TERHADAP PENGEMBANGAN SISTEM PERTANIAN BERKELANJUTAN DI KELURAHAN KALAMPANGAN KECAMATAN SABANGAU KOTA PALANGKA RAYA (Perception Of Peatland Vegetables Farmers On The Development Of Sustainable Agricultural Systems In K, Sunaryati, R.,1) Admin journal
AgriPeat Vol. 20 No. 02 (2019): JURNAL AGRIPEAT VOLUME 20 NOMOR 02, SEPTEMBER 2019
Publisher : Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/agp.v20i02.145

ABSTRACTThe land in the Kalampangan sub-district of Sabangau District is land that is dominated by peat soils.Peat binds to a relatively large amount of carbon that is formed in a long process and under watersaturated conditions. Water-saturated conditions cause the weathering process of organic matter to beimperfect, so that the remains of organic matter such as litter, roots. The land in the KalampanganVillage is a wetland with a layer of peat composed of organic material with a high C content thatexceeds carbon content in the terrestrial ecosystem. The aim of the study is to analyze the perceptionsof vegetable farmers towards the development of sustainable peatland agriculture. The studypopulation was all 164 vegetable farmers, the sample size was carried out by the Slovin techniqueaccording to Sugiyono (2011) with a total sample of 35 people. Analysis of the data used in the formof qualitative data and quantitative data. Sourced from primary data and secondary data. Using aLikert scale which is translated into sub-variables then sub-variables are translated again intomeasured indicators. The results of the research and analysis conducted on peatland vegetable farmers'perceptions of the development of sustainable agriculture in the Village of Kalampangan are "agreed".This perception is shown by the acquisition of a percentage score of 60%. Obtaining the percentage ofperception score of vegetable farmers for each sub-variable used is in the good or agreed category.Keywords: Perception, Development, Peatlands, Sustainable Agriculture

https://doi.org/10.36873/agp.v20: UJI DAYAHAMBAT EUGENOL DARI DAUN CENGKEH HASIL FRAKSINASI TERHADAP PERTUMBUHAN JAMUR PATOGEN Fusarium oxysporum f.sp. Cubense Eugenol Inhibitory Test From Clove Leaf Fractionation Of Fungal Patogen Growth Fusarium oxysporum f.sp. cubense, Juniawan1) Admin journal
AgriPeat Vol. 20 No. 02 (2019): JURNAL AGRIPEAT VOLUME 20 NOMOR 02, SEPTEMBER 2019
Publisher : Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/agp.v20i02.146

ABSTRACTThis study aims to determine the inhibition of eugenol derived from fractionation clove leaf essentialoils (CLEO) on the growth of pathogenic fungus Fusarium oxysporum f. sp. cubense (Foc) and LC50(Lethal Concentration 50). This research was in vitro, started with purification of clove leaf essentialoil, fractionation by vacuum distillation and bioassay. In vitro tests include exploration of minimuminhibition and preventability tests. Data were analyzed with Microsoft Excel 2010 program. Theresults of minimum inhibition showed at 218,75 ppm concentration of each level was able to inhibitthe growth of Foc fungi. The minimum inhibition exploration was carried out at 218,75 ppm, 109,38ppm, 54,69 ppm and 27,34 ppm. Exploration results showed that fractionated CLEO has been able toinhibit the growth of Foc fungi at 27,34 ppm in the amount of 15,60%. This concentration is used asthe lowest concentration in the inhibitory test. Furthermore, the inhibitory test was carried out startingat the highest concentration of 218,75 ppm, 109,38 ppm, 54,69 ppm and 27,34 ppm. Observationswere made for 7 days after inoculation (DAI). The results showed the best inhibition was at aconcentration of 218,75 ppm at 90,70% and LC50 at 11.17 µL.Keywords: CLEO, fractionation, Foc, in vitro test and LC50

https://doi.org/10.36873/agp.v20: PENGARUH DOLOMIT DAN KOTORAN AYAM TERHADAP PERUBAHAN BEBERAPA SIFAT KIMA TANAH SULFAT MASAM DAN PERTUMBUHAN TANAMAN JAGUNG (Zea mays L.) The Effect of dolomite and chicken manure to some soil chemical properties of acid sulfate soil and growth of maize cr, Basuki1) and Sitompul, T. J. 2) Admin journal
AgriPeat Vol. 20 No. 02 (2019): JURNAL AGRIPEAT VOLUME 20 NOMOR 02, SEPTEMBER 2019
Publisher : Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/agp.v20i02.147

ABSTRACTThis research was conducted in the Analitic laboratory of Palangka Raya Univercity and in the screenhouse of Agriculture Cultivation Department, Palangka Raya Univercity. The purpose of thisexperiment was to determine the effect of dolomit and chicken manure to some soil chemicalproperties of acid sulfate soil and growth of Maize Crop (Zea mays L.). The research was arranged inComplete Ramdomized Design with two factors and three replications. The first factors were level ofdolomit with three levels namely 0 ; 1,5 ; 3,0 times exchangeable alumunium. The second factors werelevel of chicken manure with three levels namely 0, 6 and 12 t ha-1. The results showed that theinteraction between dolomit and chicken manure significantly affected increasing the soil pH anddecreasing exchangeable alumunium. The combination level of dolomit in level 1,5 timesexchangeable alumunium with application of 6 ton.ha-1 chicken manure will be optimum increasingthe soil pH and decreasing exchangeable alumunium. The application a single factor of dolomit notsignificantly affected P-availabilityand growth of Zea mays (plant height, number of leaf and area leafindex) in age 2, 3, 4, 5, 6 weeks after planting. The application of chicken manure only significantlyaffected increasing P- availabilityand growth of Zea mays (plant height, number of leaf and area leafindex) in age 2, 3, 4, 5, 6 weeks after planting. Optimum dosage of chicken manure was 6 t ha-1.Keywords: sulfate soil, dolomite, soil chemical, chicken manures.

RESPON BIBIT KELAPA SAWIT ATAS PEMBERIAN PUPUK ORGANIK PADA TANAH GAMBUT DI KALIMANTAN TENGAH (Palm oil seedling response of organic fertilizer on peat soil in Central Kalimantan): Sustiyah1*); Sulistiyanto, Y. 1); Damanik, Z. 1) Admin journal
AgriPeat Vol. 19 No. 02 (2018): JURNAL AGRIPEAT VOLUME 19 NOMOR 02, SEPTEMBER 2018
Publisher : Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/agp.v19i02.158

ABSTRACTThe purpose of this study was to determine response of main nursery palm seedlings forapplication of organic fertilizers on soil peat. The experiment used completely randomized factorialdesign consisting of two factors. The first factor was petroganik fertilizers (P) consists of fourlevels: Po = control or no petroganik (0 kg/plants), P1 = petroganik 0,5 kg/plants, P2 = Petrogenik1 kg/plants; P3 = Petrogenik 2 kg/plans. The second factor was bokhasi kayambang fertilizers (K)consists of four levels: Ko = control or no bokhasi kayambang (0 kg/plants); K1 = BokhasiKayambang 0,5 kg/plants; K2 = Bokhasi Kayambang 1 kg/plants; K3 = Bokhasi Kayambang 2kg/plants. The each treatment was replicated five times. Observed variables were plant height,number of leaf midrib, number of primary root and length of primary root. Results showed thatinteraction between the application of petroganik fertilizers 2 kg/plants and bokhasi kayambangfertilizers 1 kg/plants (P3K2), respond positively to the growth of oil palm seedlings main nurserywhith soil pH 5,95. This treatment produced the highest plant height, the largest number of leafmidrib, the best root number and length of primary root.Key word : oil palm seedling, rubber waste liquid, fertilizer

PERAN AGEN HAYATI ASAL RIZOSFER DAN ENDOFIT MENEKAN PENYAKIT BUSUK SKLEROTIUM ROLFSII BAWANG DAUN DI MEDIA GAMBUT (Role of Rhizosphere and Endophytes Biological Agents to Supress Sclerotium rolfsii Rot Disease on Scallions in the Peat Media): Mulyani, R. B.,1*), Usup, A.,1), Supriati, L1), dan Ramlan1) Admin journal
AgriPeat Vol. 19 No. 02 (2018): JURNAL AGRIPEAT VOLUME 19 NOMOR 02, SEPTEMBER 2018
Publisher : Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/agp.v19i02.159

ABSTRACTThe Sclerotium Rot Disease is highly destructive to the scallions cultivation in the peat soil. Theantagonistic fungi isolated from the rhizosphere and the endophytes of healthy plants, have beenproven to be able to reduce Sclerotium rolfsii. The aim of this study was to evaluate thecharacteristics of antagonistic fungi from rhizosphere and endophytes of Scallions to S. rolfsii in- vitro in the laboratory. The purpose of this study was also to perform the suppression test on theintensity of Sclerotium rolfsiiRot Disease in planta in the peat media in the screen house. Thisresearch it was shown that genus Fusarium, Penicillium, Aspergillusas antagonistic fungi, wereidentified from the endophytes, meanwhile genus Trichoderma, Penicillium dan Aspergillus sp. were identified from the rhizosphere. Trichoderma Rz-1 and Trichoderma Rz-3 isolated from therhizosphere was shown to have the highest antagonistic activity by 94,4 %, followed by AspergillusEd-2, which was isolated from the endophytes by 83,8%. In planta on peat media, TrichodermaRz-1 was capable to demonstrate 82,19% of antagonistic effect and it could suppress SclerotiumRot Diseasehence it produced the fresh weight of the plant highest to 19gcluster-1. Taken together,the result of this study showed that Trichoderma Rz-1 isolated from rhizosphere has been proven tobe the most beneficial to reduce the Sclerotium rolfsii on Scallions as a biological control agent,especially in peat soils.Keywords: biocontrol, rhizosphere,endophyte, scallions, Sclerotium rolfsii

FRAKSI BESI DAN PENGARUHNYA TERHADAP KELARUTAN POSFOR DI LAHAN RAWA (Iron Fraction And Its Effect On Posforning Sustainability In Rawa Land): Fahmi, A. 1) Admin journal
AgriPeat Vol. 19 No. 02 (2018): JURNAL AGRIPEAT VOLUME 19 NOMOR 02, SEPTEMBER 2018
Publisher : Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/agp.v19i02.160

ABSTRACTAbout 20 million Ha of tidal swampare found in Indonesia,6.7 million ha of them are acid sulphatesoils which associated with peatland.Most of soil in tidal swamp are rich in iron, it potentialy toxicto the plant. We critically examine the presence of peat matter as surface layer to iron fraction andthe role of ferrous to phosphorus (P) solubility in soil.Iron fractions analyzed in acid sulphate soil,peaty acid sulphate soil, shallow peatland, shallow peatland which all of peat layers were removedand shallow peatland which partially of peat layers were removed. Most of iron fraction in tidalswampland which covered by peat layer is organic-Fe form, the presence of peat layer on surfacelayer caused no correlation between Fe and P in soil.Key words : Acid sulphate soil, Iron, Peatland, Phosphorus andTidal swampland

PENGARUH BOBOT KOLONI DAN JENIS PAKAN TERHADAP KUALITAS PUPUK ORGANIK CAIR KOMPOS CACING Lumbricus rubellus (The Effect Of Colony Weight and Feed Type on The Quality Of Liquid Organic Fertilizer Vermicompost Lumbricus rubellus): Jaya, A.,1*) Mulahartani, R.1), Kamilah1) dan Lautt, B.S.1) Admin journal
AgriPeat Vol. 19 No. 02 (2018): JURNAL AGRIPEAT VOLUME 19 NOMOR 02, SEPTEMBER 2018
Publisher : Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/agp.v19i02.161

ABSTRACTLiquid organic fertilizer is able to provide nutrients from leachate extract (liquid) as a result ofchanges in worm metabolism, growing media or residual worm feed as a result of the compostingprocess. This study aims to determine the interaction between feed type with worm colony weightas well as the influence of worm weight and type of feed on the quality of L. rubellus compostliquid organic fertilizer. The research was carried out at the experimental field of the Department ofAgriculture and in the analytical laboratory of the University of Palangka Raya using completelyrandomized design (CRD) with 3x3 factorial pattern. The first factor was colony weights of L.rubellus (C1 : 50 g, C2 : 75 g and C3 : 100 g) and the second was types of feed (P0 : control, P1 :green vegetable waste and P2: sedge-grass leaves). The results showed that 100 g worm colonyweights with feed from alang-alang leaves produced the highest Nitrogen nutrient (18.33 mg g-1),on phosphorus nutrients the interaction was not significant but had a significant effect from thetreatment of feed where the green vegetable waste produced the lowest phosphorus nutrients(85.67 mg g-1), but the treatment without feed (control) and sedge-grass leaves (Imperata cylindica)and the treatment of worm colony weight were not affect on the quality of L. rubellus compostliquid organic fertilizer.Keywords : Colony Weight, Feed Type, Liquid Organic Fertilizer, Lumbricus rubellus

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