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AGRIPEAT
ISSN : 14116782     EISSN : 26206935
Jurnal Agripeat, ISSN 1411-6782, E-ISSN 2620-6935 yang diterbitkan dua kali dalam satu Tahun ( Bulan Maret dan Bulan September).
Articles
43
Articles
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)

., Sustiyah, Y, Sulistiyanto, Z, Damanik,

AGRIPEAT Vol 19, No 2 (2018): JURNAL AGRIPEAT VOLUME 19 NO. 2 SEPTEMBER 2018
Publisher : Universitas Palangka Raya

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Abstract

ABSTRACTThe purpose of this study was to determine response  of main nursery palm seedlings for application of organic fertilizers on soil peat. The experiment used completely randomized factorial design consisting of two factors. The first factor was petroganik fertilizers (P)  consists of four levels: Po = control or no petroganik (0 kg/plants), P1 = petroganik 0,5 kg/plants, P2 = Petrogenik 1 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 = Bokhasi Kayambang 0,5 kg/plants; K2 = Bokhasi Kayambang 1 kg/plants; K3 = Bokhasi Kayambang 2 kg/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 that interaction between the application of petroganik fertilizers 2 kg/plants and bokhasi kayambang fertilizers 1 kg/plants (P3K2), respond positively to the growth of oil palm seedlings main nursery whith soil pH 5,95.  This treatment produced the highest plant height, the largest number of leaf midrib, the best root number and length of primary root.Key word : oil palm seedling, rubber waste liquid, fertilizer  

EKSPLORASI BAKTERI PELARUT FOSFAT DI LAHAN GAMBUT BERENG BENGKEL, KALIMANTAN TENGAH (Phosphate Solubilizing Bacteria Eksploration in Peatland Bereng Bengkel, Central Kalimantan)

W., Krestina,

AGRIPEAT Vol 19, No 2 (2018): JURNAL AGRIPEAT VOLUME 19 NO. 2 SEPTEMBER 2018
Publisher : Universitas Palangka Raya

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Abstract

ABSTRACT The high availability of organic compounds in peatlands is stored capital and can be converted into elements by soil microbe. The high organic content causes nutrients in the soil cannot be directly utilized by plants. Phosphate solubilizing bacteriaare soil bacteria that capable ofsolubilizingphosphate, turns it into an available form in the soil. The aims of this research are to discover the existence of a phosphate solubilizing bacteriagenus and obtain potential pure isolates from Bereng Bengkel peatland, Central Kalimantan. Bacteria isolation usingselective media Pikovskaya with pour plate method. The isolation results are five phosphate solvent bacterial isolates (BPF1, BPF2, BPF3, BPF4, BPF5) which form hallozone. Based on the characterization results refering to the Bergeys Manual of Determinative of Microorganism through macroscopic observation, microscopic observation and physiological testing. BPF1 and BPF5 isolates were the genus Rhodococcusgenus, BPF2 isolates were theRhizobiumgenus, BPF3 isolates were the Micorococcusgenus, BPF4 isolates were the Serratiagenus  Keywords: Phosphate solubilizing bacteria, peatland, soil bacteria

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)

R. B, Mulyani, A, Usup, L, Supriati, ., Ramlan

AGRIPEAT Vol 19, No 2 (2018): JURNAL AGRIPEAT VOLUME 19 NO. 2 SEPTEMBER 2018
Publisher : Universitas Palangka Raya

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Abstract

The Sclerotium Rot Disease is highly destructive to the scallions cultivation in the peat soil. The antagonistic fungi isolated from the rhizosphere and the endophytes of healthy plants, have been proven to be able to reduce Sclerotium rolfsii. The aim of this study was to evaluate the characteristics 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 the intensity of Sclerotium rolfsiiRot Disease in planta in the peat media in the screen house. This research it was shown that genus Fusarium, Penicillium, Aspergillusas antagonistic fungi, were identified from the endophytes, meanwhile genus Trichoderma, Penicillium dan Aspergillus sp. were identified from the rhizosphere. Trichoderma Rz-1 and Trichoderma Rz-3 isolated from the rhizosphere was shown to have the highest antagonistic activity by 94,4 %, followed by Aspergillus Ed-2, which was isolated from the endophytes by 83,8%. In planta on peat media, Trichoderma Rz-1 was capable to demonstrate 82,19% of antagonistic effect and it could suppress Sclerotium Rot 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 to be 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

TUTUPAN LAHAN GAMBUT MEMPENGARUHI KONDISI IKLIM MIKRO DI SEKITAR KAMPUS UNIVERSITAS PALANGKA RAYA (Preliminary Data Integrasi Wireless Sensor Network) The Peatland Cover Impact Micro Climate Conditions Near Campus of the University of Palangka Raya (Preliminary Integration Data of Wireless Sensor Network)

F.A., Adji,, R., Teguh,

AGRIPEAT Vol 19, No 2 (2018): JURNAL AGRIPEAT VOLUME 19 NO. 2 SEPTEMBER 2018
Publisher : Universitas Palangka Raya

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Abstract

ABSTRACT The lack of field measurements, which collected in long period and significantly spatial effect on the environments can obstruct scientific understanding the effect of environmental condition on the ecosystems. Application wireless sensor network (WSN) is useful to address the situation through low cost wireless measurement sensors and minimize disruption to the location/conditions to be monitored. The comprehension of composition transformation, structure, the environment ecosystems dynamic, and how is the transformation of all can be affecting the human life, indeed this challenge are need detail analysis of all environment ecosystem elements. This study also review the uses of smart devices wireless sensor networks (WSN), and observe the underlying technology in hopes could be giving solve or determine the condition of environment and ecosystems affected by human activity. The results of this study showed that the land use cover is influence on the environment conditions. Keywords: Wireless sensor networks (WSN), ecosystems, and environment

PERTUMBUHAN DAN HASIL TANAMAN KEDELAI (Glycine max (l) Merr) YANG DIBERI PUPUK KOTORAN KAMBING DAN RHIZOBIUM SP PADA TANAH GAMBUT (Growth and Yield of Soybean (Glycine max (l) Merr) Fertilized WithGoat manure Fertilizer and Rhizobium sp on peat)

S., Winarti,, Y., Sundari,, Y., Asie,

AGRIPEAT Vol 17, No 2 (2016): JURNAL AGRIPEAT VOLUME 17 NOMOR 1 TAHUN 2016
Publisher : Universitas Palangka Raya

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ABSTRACTPenelitian ini bertujuan untuk menelaah respon tanaman kedelai terhadap pemberian pupuk organikkotoran kambing dan Rhizobium sp pada tanah gambut, serta menentukan dosis pupuk kotorankambing dan Rhizobium sp yang memberikan pertumbuhan dan hasil tanaman kedelai terbaik padatanah gambut. Percobaan ini menggunakan Rancangan Acak Kelompok (RAK) dengan 2 (dua) faktorperlakuan dan 3 (tiga) ulangan. Faktor pertama adalah pupuk kandang (K) yang terdiri dari 3 tarafyaitu : 0, 10 dan 20 t ha-1dan faktor kedua adalah Rhizobium yang terdiri dari 5 taraf, yaitu : 0, 4, 8, 12dan 16 g kg-1 benih. Hasil penelitian menunjukkan bahwa jumlah bintil akar efektif tertinggidiperoleh pada tanaman kedelai yang diberi pupuk kotoran kambing dosis 20 t ha-1 dan 12 g kg-1benihRhizobium sp yaitu 63,3 buah. Pemberian kotoran kambingpada tanah gambut dengan dosis 10 tha-1, tanaman kedelai cenderung tumbuh lebih tinggi, daun lebih luas, bobot bintil akar efektif, bobotpolong, bobot biji per tanaman dan bobot 1000 butir nyata lebih tinggi serta jumlah polong pertanaman nyata lebih banyak dibandingkan dengan tanpa diberi pupuk kotoran kambing. PemberianRhizobium sp pada tanah gambut dengan dosis 12 g kg-1 benih, mampu secara nyata meningkatkantinggi tanaman, luas daun, jumlah bintil akar efektif, bobot bintil akat per tanaman bobot polong pertanaman, berat biji per tanaman dan bobot 1000. biji dibandingkan dengan tanpa diberi Rhizobium sp(kontrol)Kata kunci : Pupuk kandang kambing, Rhizobium sp, tanah gambut.

POTENSI MEDIA CAIR BERBAHAN ORGANIK SEBAGAI MEDIA ALTERNATIF UNTUK PERTUMBUHAN BAKTERI SEBAGAI PUPUK HAYATI (Potential of Organic Liquid Media as an Alternative Media for Bacterial Growth for Biofertilizer)

Y., A.,, Nion,, A., A.,, Djaya,, N.,, Handayani,, L.,, Neneng,

AGRIPEAT Vol 17, No 2 (2016): JURNAL AGRIPEAT VOLUME 17 NOMOR 1 TAHUN 2016
Publisher : Universitas Palangka Raya

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Abstract

ABSTRACTStudies to evaluating various organic materials to propagation of bacteria as biofertilizer is still a fewand research to obtain a alternative media for growing bacteria from organic materials are cheaperhave been carried out in the laboratory Department of Agriculture, Faculty of Agriculture, Universityof Palangkaraya since September 2014 to July 2015. This study was conducted in three series ofstudies, such as at the first experiment knowing the growth of soil bacteria on the type of medianutrient broth (NB), coconut water, mung bean sprouts wastewater, tofu wastewater, rice washingwater, boiled fish bones and boiled chicken bones up to 5 days after inoculation (dai), a second seriesknowing the growth of bacteria Burkholderia nodosa G5.2rif1 up to 14 dai in NB media, boiledshrimp shells, boiled snails meat and boiled catfish belly, a third series was to determine the growth ofB. nodosa G5.2rif1 on media media NB, potato dextrose liquid, coconut water, tofu wastewater, andcoconut oil. The conclusion is medium coconut water, mung bean sprouts waswater, tofu wastewater,rice washing water, boiled fish bones, boiled chicken bones, boiled shrimp shell, boiled a snails meat,boiled catfish belly, and potato dextrose liquid is able to increase the growth of bacteria highercompared than commercial media, as a alternative media substitute cheaper than commercial nutrientbroth. Media alternatives that faster growth for soil bacteria is wastewater of mung bean sprouts andrice washing water while good media for faster promote growth of B. nodosa G5.2rif1 is boiled catfishbelly, boiled snail meat, potato dextrose liquid, coconut water and tofu wastewater.Keywords: bacteria, biofertilizer, liquid media, organic matter, potency.

KERAGAMAN CACING TANAH PADA LAHAN DENGAN BERBAGAI MASUKAN BAHAN ORGANIK DI DAERAH LAMPUNG UTARA (Earthworms Diversity on Land with Different Resources of Organic Matter in North Lampung Area)

S., Wibowo,

AGRIPEAT Vol 17, No 2 (2016): JURNAL AGRIPEAT VOLUME 17 NOMOR 1 TAHUN 2016
Publisher : Universitas Palangka Raya

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ABSTRAKA study has been done to know earthworms diversity on land with different resources of organicmatter in North Lampung area, Sumatera.The land were secondary forrest, alley cropping with organicmater resources from gamal (Gliricidia sepium), soga (Peltophorumdasyrrachis) and mixture of G.sepium and P. dasyrrachis andrest land (without other organic matter resources except from harvestresidues of yellow corn (Zea mays).It have found seven species totaly in the research land. On thesecondary forrest was found seven species perfect. Changing it to alley cropping was consequenceone species lost (Metapheretima carolinensis) and changing it to general agriculture without otherorganic matter resources except from plant harvest residues was consequence two spesies lost (M.carolinensis and Dichogaster crawi). Different resources of organic matter on land were madeinquire factor of earthworms diversity that lived in the soil.Keywords : Diversity, Earthworms, Soil Organic Matter

EFEKTIFITAS DOSIS ACTINOKOMPOS TERHADAP PENYAKIT LAYU FUSARIUM DAN PERTUMBUHAN TANAMAN TOMAT (Lycopersicum esculentum Mill.) (Effectiveness Dosages of ActinoCompost to Control Fusarium Wilt Disease and Growth Tomato (Lycopersicum esculentum Mill.))

A.A.,, Djaya,, L.,, Supriati,, S. M.,, Noor,

AGRIPEAT Vol 16, No 2 (2015): Jurnal AGRIPEAT, Vol 16 No 2 September 2015
Publisher : Universitas Palangka Raya

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ABSTRACTFusarium wilt of tomato caused by a soil borne pathogen Fusarium oxysporum f.sp lycopersici whichis an important disease in tomato plants in Indonesia and the world that led to the loss of tomatoproduction in many regions due to rapid wilting process that occurs in young and old plants and causea yield loss of up to 30%-50%. The purpose of research to determine the effectiveness of the dosagesof actinocompost against fusarium wilt disease and the response to the growth of tomato plants hasbeen carried out in the laboratory and screenhouse of Department of Agriculture, Faculty ofAgriculture, University of Palangkaraya, September to December 2012. The research design usedcompletely randomized design with six replications with five 5 level dose of actinokompos consists of:Ao (without compost or control), A1 (10 g compost polybag-1), A2 (20 g compost polybag-1), A3 (30 gpolybag compost-1), A4 (40 g compost polybag-1). Observations included: (1) disease intensity, (2) theeffectiveness of antagonist, (3) plant height and stem diameter of tomato at 3, 4, 5 weeks after planting(wap). Conclusions from this research show that (1). Applyed of actinocompost suppresing theintensity disease of fusarium wilt on tomato plants, increased plant height at 3-4 wap, increased thediameter of the plant stem at 3-5 wap, effectiveness of antagonist was execellent, (2). Applyingactinocompost at 10 g plant-1 is more efficient than other treatments because suppressed fusarium wiltintensity of 0% and the effectiveness of the antagonist has a very good value (> 69%).Keywords: Fusarium wilt, actinocompost, tomato, effectiveness antagonist

PERUBAHAN SIFAT KIMIA TANAH GAMBUT SETELAH PEMBERIAN LIMBAH PABRIK KELAPA SAWIT (Changes of Chemical Properties of Peat Soil After Given Waste of Oil Palm Mill)

Y,, Sulistiyanto,, V., Amelia,, millah,, Ka, M. A., Rassid,

AGRIPEAT Vol 16, No 2 (2015): Jurnal AGRIPEAT, Vol 16 No 2 September 2015
Publisher : Universitas Palangka Raya

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ABSCTRACTThe purpose of this study was to assess changes of chemical properties of peat after being given asewage of oil palm mill. The research was conducted from September to December 2014 atAnalytical Laboratory University of Palangkaraya. This research is a quantitative way of measuringand comparing the chemical properties of peat were given sewage of oil palm mill, such as, boiler ashof palm oil mill (AB), wastewater of palm oil mill (LC), and oil palm empty fruit bunches (TK). ABdose used was 11.6 tonnes / ha, LC 1.800 L / 12 M2, and TK 20 tonnes / ha. Parameters measuredwere pH, available P, K-dd, Ca-dd, Mg-dd. Soil pH observations carried out at 0 weeks of incubation(0 MSI), 4 MSI, 8 MSI, 12 MSI, and 16 MSI. As for the P-Available, Ca-dd, Mg-dd, and K-ddperformed at 0 MSI, 8 MSI, and 16 MSI. The results showed that treatment of AB on peat soil in 8MSI showed the highest increase in available P and giving LC on peat soil in 8 MSI showed anincrease in the value of the K-dd, Ca-dd, and Mg-dd.Keywords: boiler ash, wastewater, soil chemical properties; oil palm empty fruit bunches

PERANAN LAPIS GAMBUT TERHADAP MOBILITAS KARBON ORGANIK TERLARUT DAN PELEPASAN ION FE DAN AL PADA TANAH GAMBUT BERSUBSTRATUM BAHAN SULFIDIK (The Role of Peat Layer to DOC mobility and Fe and Al Ions release on Peatland with sulphidic substratum)

Z., Damanik,, B.H., Purwanto,, E, Hanudin, E, B, Radjagukguk, B

AGRIPEAT Vol 16, No 2 (2015): Jurnal AGRIPEAT, Vol 16 No 2 September 2015
Publisher : Universitas Palangka Raya

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ABSTRAKThe objectives of this study was to investigate the role of peat layer in the mobility of DOC and therelease of toxic elements from the underlying sulphidic materials for the various peat thicknesses. Thestudy was conducted in the soil department greenhouse, Faculty of Agriculture, Gadjah MadaUniversity from July to August 2015The experiment conducted in soil column made from PVC pipewhich have different peat layer thicknesses (without peat layer, < 50 cm, and 50-100 cm). Leachingwas conducted every week, with 500 cc distilled water for 4 weeks. Filtrate was collected, and pH,dissolved organic carbon, and Fe and Al ions was analyzed. The results of the study showed thatdiminution of thickness of the peat stratum of the soils underlaid by sulphidic material substratumcaused the release, and mobilization of Fe2+ and Al3+- ions along with leaching water which mighthave a significant impact in decreasing the quality of the surrounding water environments in the formof acidification, and enrichment of Fe2+ and Al3+ ions. In addition to the impact of the thickness of thepeat stratum, quality of the leaching water was also determined by the quality of the peat material,primarily the degree of decomposition, and concentration of DOC which played the role of chelatingagent for toxic ions such as Fe and Al.Key Word : Mobility, Organic Carbon, Ion Release, Sulphidic.