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PENGARUH JENIS MULSA DAN PUPUK GANDASIL-B TERHADAP PERTUMBUHAN DAN HASIL TANAMAN CABAI RAWIT (Capsium frustescens L.) PADA TANAH GAMBUT PEDALAMAN (The Effect of Mulch Type and Gandasil-B Fertilizer on The Growth and Yield of Chili Pepper (Capsicum fr: Rinoto1) ; Winarti, S.1) ; Salampak1). Admin journal
AgriPeat Vol. 18 No. 01 (2017): JURNAL AGRIPEAT VOLUME 17 NOMOR 01, MARET 2017
Publisher : Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/agp.v18i01.17

Abstract

ABSTRACTThis research was aimed to investigate the effect of mulch type and gandasil-B fertilizer on the growth and yield of chili pepper (Capsicum frutescens L.) on inland peat soil. The method used in this research was two-factor Randomized Block Design with split plot arrangement and three replications. The main plot was the mulch type which consists of three treatments, namely: control, cogon grass and silver-black plastic mulch, and as sub plot was the dose of gandasil-B which consists of four 4 levels, namely: 0, 1, 2, and 3 g L-1 water. Results showed that the interaction between different types of mulch and gandasil-B fertilizer only had significant effect on the diameter of the stem, the number of productive branch, the number of fruit per plant, and the weight of fruit per plant. The utilization of silver-black plastic mulch and gandasil- B fertilizer at the concentration of 3 g L-1 water showed more number of productive branch (14.00 branches) and number of fruit (151.17 fruits) per plant and the weight of fruit (166.52 g) per plant was significantly higher.Keywords : Mulch, cogon grass, silver-black plastic, Gandasil-B, inland peat soil ABSTRAKPenelitian ini bertujuan untuk mengetahui pengaruh jenis mulsa dan pupuk gandasil-B terhadap pertumbuhan dan hasil tanaman cabai rawit (Capsicum fruestescens L.) pada tanah gambut pedalaman. Percobaan ini menggunaakan Rancangan Acak Kelompok (RAK) disusun secara split plot dengan dua faktor perlakuan dan tiga ulangan. Sebagai petak utama, yaitu jenis mulsa terdiri dari tiga jenis, yaitu : kontrol, mulsa alang-alang dan mulsa plastik hitam perak. Sebagai anak petak adalah dosis pupuk Gandasil-B terdiri dari 4 taraf perlakuan, yaitu : 0, 1, 2 dan 3 g L-1 air. Hasil penelitian menunjukkan bahwa interaksi penggunaan jenis mulsa dengan pupuk gandasil-B hanya berpengaruh nyata terhadap diameter batang, jumlah cabang produktif, jumlah buah per tanaman dan berat buah per tanaman. Penggunaan mulsa plastik hitam perak dan pupuk gandasil-B 3 g L-1 air diperoleh jumlah cabang produktif (14.00 cabang) dan jumlah buah (151.17 buah) per tanaman) nyata lebih banyak dan berat buah (166.52 g) per tanaman nyata lebih tinggi.Kata kunci : Mulsa, alang-alang, plastik hitam perak, pupuk gandasil-B, gambut pedalaman
PENGARUH LAMA SIMPAN EKSTRAK FUNGISIDA NABATI TERHADAP EFEKTIVITASNYA PADA CENDAWAN Drechsleraoryzae PATOGEN TANAMAN PADI (The Long Effect Save Botanical Extract to Efectivenes of Drechslera oryzae Pathogen on Rice): Pandriyani1), Panupesi, H.1), Supriati, L.1), dan Djaya, A., A.1) Admin journal
AgriPeat Vol. 18 No. 01 (2017): JURNAL AGRIPEAT VOLUME 17 NOMOR 01, MARET 2017
Publisher : Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/agp.v18i01.18

Abstract

ABSTRACTThe objectives of this study were to analyze incubation period of biofungicide extract to control Drechslera oryzae pathogen on rice in vitro. The research was conducted from August to November , 2016 at Departement Budidaya Pertanian laboratory, used randomized completely design, with 35 treatment and 3 replications. Eight of biofungiside were used in this study, there are lerak fruits, siam weed leaves, taya leaves, gelinggang leaves, meniran, roots and tegari stem, galam leaves and 5 incubation periode (0, 1, 2, 3, 4 week) . The results showed that 0–4 week incubation periode of lerak fruits extract had clear effective to inhibit D. oryzae colony. Key words: Biofungicide extract, Drechslera oryzae, incubation period. ABSTRAKTujuan penelitian untuk mempelajari pengaruh lama penyimpanan ekstrak fungisida nabati terhadap efektivitasnya pada cendawan Drechslera oryzae patogen tanaman padi. Penelitian secara in vitro dilaksanakan di laboratorium Jurusan Budidaya Pertanian mulai bulan Agustus - November 2016 ,menggunakan rancangan acak lengkap, terdiri dari 35 satuan percobaan lama simpan ekstrak fungisida nabati dengan lama simpan 0, 1, 2, 3 dan 4 minggu dengan 3 ulangan. Ekstrak fungisida nabati yang digunakan adalah: buah lerak, daun gulma siam, daun taya, daun gelinggang, meniran, akar dan batang tegari, daun galam. Hasil penelitian menunjukkan, fungisida nabati ekstrak buah lerak dengan lama simpan 0-4 minggu masih efektif menghambat koloni D. oryzae, namun efektivitasnya cenderung menurun seiiring dengan bertambahnya lama simpan. Kata kunci:Drechslera oryzae, efektivitas, ekstrak fungisida nabati, lama penyimpanan.
PENGENDALIAN LAJU PERTUMBUHAN PUCUK TANAMAN PENUTUP TANAH Mucuna bracteata DC DENGAN Paclobutrazol Control of the Shoots Growth Rate of Land Cover Crop Mucuna bracteata DC with Paclobutrazol: Yanto, R., R.1), Yahya, S.2), Lontoh A., P. 2) Admin journal
AgriPeat Vol. 20 No. 01 (2019): JURNAL AGRIPEAT VOLUME 20 NOMOR 01, MARET 2019
Publisher : Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/agp.v20i01.19

Abstract

ABSTRACTMucuna bracteata DC. is a species of legume cover crop that rapidly grow into the palm circles and climb and wind around the main trees and reduce the effectiveness and efficiency of plantation maintenance. These problems should be able to be controlled by slowing down the growth rate of M. bracteataby applied retardant such as paclobutrazol. This research was aimed to determine the level of concentration of the retardant and the growth suppression rate on M. bracteata. This research was conducted at the Teaching and Research Farm of Oil Palm Plantation of IPB, Singasari Village, District of Jonggol, Bogor Regency in February to May 2016. The application of paclobutrazol was done by spraying the retardant solution on the shoot of M. bracteata’s canopy. Paclobutrazol concentrations of 100 ppm and 200 ppm were treatments that significantly reduced rate of the growth of shoot and dry weight, compared to other treatments. The treatments of 100 ppm and 200 ppm, consequtively gave the suppression rate of 61.02% and 63.45 % and prolonged the rotation time of weeding, 141 and 156 days, compared to the control.Keyword : concentration, paclobutrazol, retardantABSTRACTMucuna bracteata DCadalah spesies kacang-kacangan penutup tanah yang sangat cepat bertumbuh memasuki piringan dan melilit tanaman utama dan mengurangi keefektifan dan efisiensi pemeliharaan. Permasalahan tersebut dapat diatasi dengan menekan laju pertumbuhan M. bracteata dengan pemberian zat penghambat tumbuh paclobutrazol. Penelitian ini bertujuan untuk mengetahui tingkat konsentrasi retardan dan tingkat penekanan pertumbuhan M. bracteata. Penelitian dilaksanakan di Kebun Pendidikan dan Penelitian Kelapa Sawit IPB, Singasari, Kecamatan Jonggol, Kabupaten Bobor pada bulan Januari hingga Mei 2016. Pengaplikasian paclobutrazol dilakukan dengan penyemprotan larutan retardan pada tajuk tanaman M. bracteata. Konsentrasi paclobutazol 100 ppm dan 200 ppm merupakan perlakuan yang mampu memperlambat pertumbuhan panjang sulur dan bobot kering M. bracteata.secara signifikan dibandingkan dengan perlakuan lain. Perlakuan 100 ppm dan 200 ppm bertutut-turut memberi tingkat penghambatan sebesar 61,02% dan 63,45% dan waktu rotasi 141 dan 156 hari, dibandingkan dengan kontrol.Kata kunci : konsentrasi, paclobutrazol, retardan
PENGARUH PEMOTONGAN UMBI TERHADAP PERTUMBUHAN DAN HASIL TANAMAN TIGA VARIETAS BAWANG MERAH (Allium ascalonicum L.) PADA TANAH SPODOSOL ( Effect of Buld Cutting on Growth and Yields of Three Varieties of Red Onions (Allium ascalonicum L) on Spodosol ): Haloho, G., H. 1), Syahrudin1), Suparto, H.1) Admin journal
AgriPeat Vol. 20 No. 01 (2019): JURNAL AGRIPEAT VOLUME 20 NOMOR 01, MARET 2019
Publisher : Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/agp.v20i01.20

Abstract

ABSTRAKPenelitian ini bertujuan untuk mengetahui pengaruh pemotongan umbi terhadap pertumbuhan dan hasil tanaman tiga varietas bawang merah pada tanah spodosol. Rancangan yang digunakan dalam percobaan ini adalah Rancangan Acak Kelompok (RAK) Faktorial yang terdiri dari 2 faktor perlakuan. Faktor pertama adalah pemotongan umbi bibit bawang merah,yaitu : P0 = tanpa pemotongan, P1 = pemotongan setengah (1/2), P2 = pemotongan sepertiga (1/3) P3 = pemotongan seperempat (1/4). Faktor kedua adalah varietas bawang merah, yang terdiri 3 varietas, yaitu : V1 = varietas Bauji, V2= varietas Bima Brebes dan V3 = varietas Tajuk. Hasil penelitian menunjukkan bahwa interaksi pemotongan umbi dan varietas bawang merah berpengaruh terhadap jumlah daun dan bobot brangkasan segar. Kombinasi perlakuan pemotongan umbi 1/3 dan penggunaan varietas Tajuk mampu meningkatkan jumlah daun dan bobot brangkasan segar. Hasil bawang merah terbaik terdapat pada perlakuan pemotongan umbi 1/3 (sepertiga) dan varietas Tajuk dengan perolehan hasil bobot brangkasan segar 1126,67 g/petak atau setara dengan 23,47 ton.ha-1.Kata kunci : pemotong umbi, bawang merah, varietas, spodosol.ABSTRACTThe purposed of this experiment the effect of bulbs cutting on growth and yield of three varieties of onion on spodosol. This study used Randomized Block Design (RBD) of factorial pattern with two factors : The first factor was cutting the tuber ofonion of 4 levels, namely : P0 = no cutting, P1 = cutting ½, P2 = cutting 1/3, and P3 = cutting ¼. The second factor was the red onion varieties, consisting of 3 varieties, namely: V1 = Varietas Bauji, V2 = Varieties Bima Brebes and V3 = Varieties Tajuk. The results showed that interaction of the part cuttings and varieties of onion bulbs have an effect on the number of leaves and weight of fresh palnt biomassa. Combination treatment of cutting 1/3 bulbs and Tajuk varieties could be able to inrease the number of leaves and weight of fresh plant biomassa. The best results of onion per harvest swaths of the best there is on the treatment of cutting the tuber 1/3 and of the Tajuk varieties with the acquisition of weight fresh stover (1126.67 g)/plot harvest or the equivalent of 23.47. ton.ha-1.Keywords: cutting bulb, red onion, varieties, spodosol.
PERANAN TRICHOKOMPOS DAN PUPUK KCL DALAM MENGENDALIKAN PENYAKIT LAYU FUSARIUM PADA TANAMAN BAWANG MERAH DI TANAH BERPASIR (The Role of Trichokompos and KCL Fertilizer to Control Fusarium Will Disease on Onion in Sandy Soil): Supriati, L.1), Basuki1), Mulyani, R., B.1), Muliansyah1), Muliana1) Admin journal
AgriPeat Vol. 20 No. 01 (2019): JURNAL AGRIPEAT VOLUME 20 NOMOR 01, MARET 2019
Publisher : Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/agp.v20i01.21

Abstract

ABSTRACTThe role of Trichocompost and KCl fertilizer to control Fusarium wilt disease on onion in sandy soil. Fusarium wilt on onion is an interesting disease it is can loss the onion yield. The purpose of research to study trichocompost and KCl fertilizer role to control Fusarium wilt disease on ann onion. The research design used a Factorial Randomized Block Design with 2 factors. The first factor is 4 levels trichocompost, it is: without trichocompost (T0), trichocompost 10 t.ha-1 dosage (T1), trichocompost 20 t.ha-1 dosage (T2), trichocompost 30 t.ha-1 dosage (T3). The second factor is 3 levels KCl fertilizer, it is: without KCl (K0), KCl 100 kg.ha-1 dosage (K1), KCl 200 kg.ha-1 dosage (K2). Result of this research showed the application of trichocompost 10 t.ha-1 dosage and KCl 100 kg.ha-1 dosage can inhibit Fusarium wilt incubation time, can inhibit the patogen development with effective value 89,23%, the single factor it is aplication trichocompost 10 t.ha-1 dosage and trichocompost 30 t.ha-1 dosage not significant to dried onion bulb weight per clump of onion plant.Key words: Trichocompost, KCl fertilizer, Fusarium wilt disease, onion, sandy soil.ABSTRAKPenyakit layu Fusarium merupakan salah satu penyakit penting dapat menurunkan produksi bawang merah hingga 50%. Tujuan penelitian untuk mengetahui peranan trichokompos dan pupuk KCl dalam mengendalikan penyakit layu fusarium pada tanaman bawang merah. Penelitian menggunakan Rancangan Acak Kelompok faktorial dua faktor perlakuan. Faktor pertama 4 taraf dosis trichokompos yaitu: tanpa trichokompos (T0), trichokompos dosis 10 t.ha-1 (T1), trichokompos dosis 20 t.ha-1 (T2), trichokompos dosis 30 t.ha-1 (T3). Faktor kedua 3 taraf dosis pupuk KCl yaitu: tanpa pupuk KCl (K0), pupuk KCl dosis 100 KCl kg.ha-1 (K1), pupuk KCl dosis 200 KCl kg.ha-1 (K2). Hasil penelitian menunjukkan pemberian trichokompos 10 t.ha-1 dan pupuk KCl 100 kg.ha-1 dapat memperpanjang masa inkubasi penyakit, menekan serangan penyakit layu Fusarium dengan nilai efektivitas sangat baik (89,23%), perlakuan tunggal trichokompos dosis 10 t.ha-1 tidak berbeda nyata dengan dosis 30 t.ha-1 terhadap bobot umbi kering per rumpun tanaman bawang merah.Kata kunci: penyakit layu Fusarium, pupuk KCl, tanah berpasir, tanaman bawang merah, trichokompos.
APLIKASI PRA PENDINGINAN TERHADAP DAYA SIMPAN BUAH TOMAT (Solanum lycopersicum L.) (Pre-cooling Application to Shelflife Tomatos Fruit (Solanum lycopersicum L.)): Ngadiono2), Muliansyah1), Saleh, M.2) Admin journal
AgriPeat Vol. 20 No. 01 (2019): JURNAL AGRIPEAT VOLUME 20 NOMOR 01, MARET 2019
Publisher : Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/agp.v20i01.22

Abstract

ABSTRACTThe objectives of this study were: To know the influence of the pre-cooling duration on the quality tomato fruit, and the influence of the pre-cooling duration on the tomato fruit shelflife. Implementation of this research activity conducted for one month starting in March-April 2017, which is located in Laboratory of Department of Agriculture Cultivation, Faculty of Agriculture, University of Palangkaraya, Central Kalimantan Province. This study used a Single Randomized Complete Random (RAL) design with a pre-cooling treatment time consisting of 4 (four) treatments ie P0 = Without pre- cooling, P15 = Pre-cooling 15 minutes, P30 = Pre-cooling 30 minutes, and P45 = Pre-cooling 45 minutes. The observed variables were water content, vitamin C, weight loss, total acid, and total dissolved solids. The results showed that pre-cooling P15 was able to provide a good shelf life of up to 17 days. A 15-minute pre-cooling treatment is the best result in minimizing moisture evaporation. Vitamin C has increased in days 5 th, 7 th, and 9 th. The highest weight loss was in pre-cooling 30 minutes 7 days with a value of 5.47%, indicating an increased weight shrinkage value in a 15-minute pre-cooling treatment. The highest total acid value on 3 day was pre-cooling treatment of 15 minutes with a value of 5.28%, indicating the total acid value during storage increased and decreased. The total content of dissolved solids did not differ significantly between the pre-cooling treatment of tomatoes. Pre-cooling treatment can extend the shelf life.Keywords: Tomato fruit, Pre-coling, quality, shelf lifeABSTRAKTujuan dari penelitian ini adalah mengetahui pengaruh lama pra-pendinginan terhadap mutu buah tomat, dan mengetahui pengaruh lama pra-pendinginan terhadap daya simpan buah tomat. Pelaksanaan kegiatan penelitian ini dilaksanakan selama satu bulan dimulai pada bulan Maret-April 2017, yang bertempat di Laboratorium Jurusan Budidaya Pertanian, Fakultas Pertanian, Universitas Palangka Raya, Provinsi Kalimantan Tengah. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) faktor tunggal dengan perlakuan lama waktu pra-pendinginan yang terdiri dari 4 (empat) perlakuan yaitu P0 = Tanpa pra-pendinginan, P15 = Pra-pendinginan 15 menit, P30 = Pra-pendinginan 30 menit, dan P45 = Pra-pendinginan 45 menit. Variabel yang diamati yaitu kadar air, vitamin C, susut bobot, total asam, dan total padatan terlarut. Hasil penelitian menunjukan bahwa pra-pendinginan P15 mampu memberi masa simpan yang baik sampai 17 hari. Perlakuan pra-pendinginan 15 menit merupakan hasil terbaik dalam memperkecil penguapan kadar air. Vitamin C mengalami peningkatan pada hari ke-5, 7, dan ke-9. Susut bobot tertinggi terdapat pada pra-pendinginan 30 menit hari ke- 7dengan nilai 5,47%, hal ini menunjukan nilai susut bobot meningkat di perlakuan pra-pendinginan 15 menit. Nilai total asam tertinggi pada hari ke-3 yaitu perlakuan pra-pendinginan 15 menit dengan nilai 5,28 %, hal ini menunjukan nilai total asam selama penyimpanan mengalami kenaikan dan penurunan.Ngadiono, dkk Aplikasi Para Pendinginan Terhadap Daya Simpan…….28Kandungan total padatan terlarut tidak berbeda nyata antara perlakuan pra-pendinginan buah tomat.Perlakuan pra-pendinginan dapat memperpanjangmasa simpan.Kata kunci : buah tomat, pra-pendinginan, mutu, masa simpan
PEMBERIAN GUANO WALET DENGAN PENGURANGAN PUPUK SP-36 TERHADAP PERTUMBUHAN DAN HASIL TANAMANKUBIS BUNGA (Brassica oleracea var.botrytis L.) PADA TANAH SPODOSOL (The Application Of Guano Walet With Reduction Of SP-36 Fertilizer To Growth And Yield Of Flower: Rohman1), Candra, B.1), Zubaidah, S.1) Admin journal
AgriPeat Vol. 20 No. 01 (2019): JURNAL AGRIPEAT VOLUME 20 NOMOR 01, MARET 2019
Publisher : Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/agp.v20i01.23

Abstract

ABSTRACTThe aim of this study was to determine the interaction between guano walet administration and reduction of SP-36 fertilizer on growth and yield of flower cabbage; to find out the effect of guano walet on the growth and yield of flower cabbage; and to find out the effect of SP-36 fertilizer reduction on growth and yield of flower cabbage. The study was conducted from May to August 2018. This study used a completely randomized design (CRD) consisting of 2 factors namely guano walet with a reduction in SP-36 fertilizer, 4 x 4 factorial pattern with 3 replications. The variables observed were the number of leaves, flowering age, plant wet weight, fresh weight of flowers, and diameter of flower crop. The results showed that the combination of 100% guano walet administration with a reduction of SP-36 0% on spodosol soil gave the best results for the number of leaves with an average value of 16.00 strands at 6 weeks after planting and fresh flower weight of 166, 76 g. Guano walet administration on spodosol soil with a dose of 100% gave the best results on the number of leaves by 25.83 strands at the age of 9 weeks after planting, flowering age of 79.33 day, plant wet weight of 326.82 g and the results showed that the combination of 100% guano walet administration with a reduction of SP-36 0% gave the best results for the diameter of flower cropwith an average value of 12,15 cm.Key words: cabbage flower, guano walet, SP-36 fertilizer, spodosolsABSTRAKTujuan dari penelitian ini adalah untuk mengetahui interaksi antara pemberian guano walet dengan pengurangan pupuk SP-36 terhadap pertumbuhan dan hasil kubis bunga; untuk mengetahui pengaruh pemberian guano walet terhadap pertumbuhan dan hasil kubis bunga; dan untuk mengetahui pengaruh pengurangan pupuk SP-36 terhadap pertumbuhan dan hasil kubisbunga.Penelitian dilaksanakan mulai dari bulan Mei sampai Agustus 2018. Penelitian ini menggunakan rancangan acak lengkap (RAL) yang terdiri dari 2 faktor, yaitu pemberian guano walet dengan pengurangan pupuk SP-36, pola faktorial 4 x 4 dengan 3 ulangan. Variabel yang diamati adalah jumlah daun, umur berbunga, bobot segar total tanaman, bobot segar bunga, dan diameter krop bunga. Hasil penelitian menunjukkan bahwa kombinasi pemberian guano walet 100% dengan pengurangan SP-36 0% pada tanah spodosol memberikan hasil terbaik jumlah daun dengan nilai rata-rata sebesar 16,00 helai tanaman-1 pada umur 6 minggu setelah tanam dan bobot segar bunga 166,76 g tanaman-1. Pemberian guano walet pada tanah spodosol dengan dosis 100% memberikan hasil terbaik terhadap jumlah daun sebesar 25,83 helai tanaman-1 pada umur 9 minggu setelah tanam, umur munculnya bunga pada hari ke- 79,33, bobot segar total tanaman sebesar 326,82 g tanaman-1dan pada variabel diameter krop bunga pemberian guano 50% dengan pengurangan pupuk SP-36 0% memberikan hasil sebesar 12,15 cm tanaman-1.Kata kunci: Guano walet, kubis bunga, pupuk SP-36, tanah spodosol
PEMANFAATAN SAMPAH ORGANIK RUMAH TANGGA DAN PEMBERIAN CMA UNTUK BUDIDAYA JAGUNG MANIS PADA TANAH GAMBUT PEDALAMAN (The utilization of household organic waste and giving Of arbuskula mycorrhizal fungus for cultivation Of sweet corn (Zea mays saccharata st: Genial, F., V.1), Winarti, S.2) dan Rumbang, N.2) Admin journal
AgriPeat Vol. 20 No. 01 (2019): JURNAL AGRIPEAT VOLUME 20 NOMOR 01, MARET 2019
Publisher : Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/agp.v20i01.24

Abstract

ABSTRACTThis study aims to examine the response of sweet corn plants which were given organic fertilizer and Arbuscular Mycorrhizal Fungus (CMA) and determine the dose of organic waste that can be used for composting based on the best dose of sweet corn yield per hectare. This experiments using Randomized Block Design arranged in a Factorial pattern with three levels compost dosage ( 0, 15 and 30 t ha-1), and five levels of CMA (0, 600, 900, 1200 and 1500 kg ha-1). The results showed that compost fertilizer was 30 t ha-1 and arbuskula mycorrhizal fungus 1200 kg ha-1 gave significantly better results on plant height growth (174.80 cm), shoot/root ratio (8,368), N (2 , 66%) and P (328.88 ppm) concentration in plant tissue, length of sweet corn cobs (19.90 cm), diamater sweet corn cobs (5.04 cm) and sweet corn cobs weight (217.28 g). The amount of organic waste that can be used to make compost based on the best results is 571.43 kw ha-1Kata kunci : sweet corn, organic waste, CMA, peat landABSTRAKPenelitian ini bertujuan untuk menelaah respon tanaman jagung manis yang diberi pupuk organik dan Cendawan Mikoriza Arbuskula (CMA) dan menentukan dosis sampah organik yang dapat dimanfaatkan untuk pembuatan kompos berdasarkan dosis terbaik hasil jagung manis per hektar. Percobaan ini menggunakan Rancangan Acak Kelompok Faktorial dengan tiga taraf dosis pupuk kompos 0, 15 dan 30 t ha-1, lima taraf CMA (0, 600, 900, 1200 dan 1500 kg ha-1). Hasil penelitian diperoleh bahwa pemberian pupuk kompos 30 t ha-1 dan cendawan mikoriza arbuskula 1200 kg ha-1 memberikan hasil yang nyata lebih baik terhadap pertumbuhan tinggi tanaman (174,80 cm), nisbah pupus akar (8,368), konsentrasi unsur N (2,66%) dan P (328,88 ppm) dalam jaringan tanaman, panjang tongkol (19,90 cm), diameter tongkol (5.04 cm) serta bobot tongkol (217,28 g). Jumlah sampah organik yang dapat dimanfaatkan untuk pembuatan pupuk kompos berdasarkan hasil terbaik yaitu 57,14 t ha-1Kata kunci : jagung manis, sampah organik, CMA, gambut
PENGARUH LOGAM BERAT TERHADAP KONDISI BIOLOGIS TANAH DAN PERTUMBUHAN BAYAM (The Influence of Heavy Metals on Soil Biologic and Growth of Spinach): Wibowo, S.1) Admin journal
AgriPeat Vol. 20 No. 01 (2019): JURNAL AGRIPEAT VOLUME 20 NOMOR 01, MARET 2019
Publisher : Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/agp.v20i01.25

Abstract

ABSTRACT A study was done to knowed influence of heavy metals on soil biologic condition and growth of sweet spinach (Amaranthus hibridus). The research was done in latosol soil with completely randomized design (CRD) with 4x3 factorial pattern and three repetitions. The first treatment were kind of heavy metals (H, Cd, Ag and Zn) and the second were their consentrations (0, 50 and 100 ppm). The solution of heavy metals was poured to soil in polybags, afterwards they were be incubated as long as a wek, then there were be planted spinach seeds. The research showed that treatment of giving heavy metals on soil was decreased of microorganism amount and soil respiration value on third week. Ag was the most influenced to limited the increasing of height and roots length of spinach plants. The 50- 100 ppm heavy metals concentrations on the soils were solution which limited growth of roots and total biomass of spinach plants significantly. Ag, Cd and Hg were more influenced to caused to decreased spinach biomass than Zn significantly.Keywords : biologic, growth, heavy metals, spinach, soilABSTRAK Suatu penelitian telah dilakukan untuk mengetahui pengaruh logam berat terhadap kondisi biologis tanah dan pertumbuhan bayam manis (Amaranthus hibridus). Penelitian dilakukan pada tanah mineral latosol menggunakan rancangan acak lengkap pola faktorial 4x3 dengan tiga ulangan. Faktor perlakuan pertama yakni jenis logam berat (Hg, Cd, Ag dan Zn) dan faktor perlakuan kedua yakni konsentrasi logam berat (0, 50 dan 100 ppm). Larutan logam berat tersebut disiramkan pada tanah- tanah yang telah disiapkan pada polybag, selanjutnya diinkubasi selama satu minggu. kemudian dilakukan penanaman benih bayam. Variabel pengamatan diukur pada minggu pertama dan ketiga pasca perlakuan dan pasca penanaman benih bayam. Hasil penelitian ini menunjukkan, bahwa perlakuan pemberian logam berat pada tanah memperlihatkan penurunan total mikroorganisme dan nilai respirasi tanah pada minggu III. Ag merupakan logam berat yang paling berpengaruh menghambat pertambahan tinggi dan panjang akar tanaman bayam. Konsentrasi logam berat 50-100 ppm pada tanah nyata menghambat pertumbuhan akar dan menurunkan total biomassa tanaman bayam. Jenis logam berat Ag, Cd dan Hg nyata pengaruhnya mengakibatkan rendahnya biomassa bayam dibandingan dengan Zn.Kata Kunci : bayam, biologis, logam berat, tanah
https://doi.org/10.36873/agp.v20: KARAKTERISTIK LAPISAN ACROTELM DAN CATOTELM PADA GAMBUT TRANSISI DAN PEDALAMAN The Characteristic of the Acrotelm and Catotelm on the Transition and Inland Peat, Turnip, S.U.1), Yulianti, N*1) dan Widiastuti, L1) 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.v20i02.140

Abstract

ABSTRACTSince 1990s, the conversion of peatlands in Central Kalimantan from forest land cover and shrubs toagricultural land can cause the change of the characteristics of the peat. For this reason, this researchon the condition of peat properties is needed, especially the physical properties as a reference materialin the management of sustainable peatlands. This study was aims to determine the characteristics ofpeat under several land cover in the transition peat and the inland peat as well as the relationshipbetween the parameters. The research was conducted in September - December 2017, where located inWest Kanamit Village, Maliku Subdistrict and Taruna Jaya Village, Jabiren Raya Subdistrict, PulangPisau Regency, Central Kalimantan Province. The laboratory analysis at the Laboratory of Agronomyand the Laboratory of Analytical, University of Palangka Raya. Sampling in this study was uses aprofile with the size of one m2. This study was uses regression analysis and correlation methods thatare conducted to determine the pattern of relationships and the relationship between the variables ofthe physical properties of the peat. The results of the study indicate there is a similarity in the physicalproperties of the transition peat of West Kanamit Village and the inland peat of Taruna Jaya Village.The level of decomposition of peat from all locations was sapric with black to reddish black color. Theaverage values of the peat in West Kanamit Village are bulk density (0.09-0.18 g cm-3), water content(451.52-1,013.18%), fiber content (7.62-14.60%), ash content (1.73-26.15%), and organic C (42.83-57.00%). The results of the study in Taruna Jaya Village had the average values as follows as bulkdensity (0.10-0.17 g cm-3), moisture content (361.79-846.99%), fiber content (7.62-14.60 %), ashcontent (0.84-2.69%), and organic C (56.44-57.52%). Hydrophobicity in all study locations were 1.1-3.4 seconds with the WDPT method and the ratio of 0.06-0.49 with the FTIR methods. Moreover, therelationship between the peat characteristics shows a positive relationship and a negative relationship.Keyword : Acrotelm, Catotelm, Transition, Inland Peat