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Jurnal Lahan Suboptimal

jlso
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Published by Universitas Sriwijaya

ISSN : 22526188 EISSN : 23023015 DOI : -

Core Subject : Agriculture,

Agriculture, Biological Sciences & Forestry

Jurnal Lahan Suboptimal: Journal of Suboptimal Lands (JLSO) (p-ISSN 2252-6188; e-ISSN 2302-3015) publishes original research papers, literature reviews, and short communications that cover on topics relevant to suboptimal lands: freshwater swamps, tidal lowlands, peatlands, dry and dry acid lands, shaded ecosystem, ex-mined lands, saline and marine coastal wetland ecosystems. The Journal serves as a multi-disciplinary forum covering key issues in Suboptimal Lands science and technology, management, policy and ecological economics. The journal is published by Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO), Universitas Sriwijaya. The journal was first published on April of 2012 with twice per year in frequency on April and October.

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Articles 12 Documents

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Search results for , issue "Vol. 2 No. 2 (2013)" : 12 Documents clear

Efikasi Herbisida Penoksulam pada Budidaya Padi Sawah Pasang Surut untuk Intensifikasi Lahan Suboptimal Dwi Guntoro; Karlin Agustina; Yursida Yursida
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 2 No. 2 (2013)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

An experiment on herbicide Penoksulam 25.5 g/L was conducted in tidal land. The objectives of this experiment was to determine the effectiveness of herbicides in controlling weeds in lowland rice. The experiment was conducted from November 2012 to March 2013. Randomized block design (RBD) with 6 treatments and 4 replications was used. The treatments tested the herbicide Penoksulam 25.5 g/L dose of 0.60 L/ha, 0.75 L/ha, 0.94 L/ha, 1,125 L/ha, manual weeding and control. The experimental unit was a plots measuring 5 m x 5 m. The results showed that the application of penoksulam 25.5 g/LÂ could to control weeds of lowland rice. Dominance weeds species in tidal land were Fimbristylis littoralis, Ludwigia octovalvis and Cyperus Iria. Application of herbicide at doses 0.60 L/ha up to 1.125 L/ha caused only mild symptoms of phytotoxicity on rice. Herbicides could be used to increase low land rice production on effective dose 0.60 L/ha to 0.75 L/ha.

Pertumbuhan Bibit Karet Okulasi Berbagai Umur pada Media Tergenang Holidi Holidi; Etty Safriyani; Sutejo Sutejo
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 2 No. 2 (2013)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Luas areal lahan kering untuk budidaya perkebunan yang terbatas sehingga lahan rawa yang tergolong lebak dangkal menjadi alternatif untuk tempat budidaya perkebunan karet. Adaptasi tanaman karet terhadap genangan perlu diteliti. Penelitian ini bertujuan mengkaji respon pertumbuhan berbagai umur bibit karet dari stum mata tidur terhadap tinggi genangan air. Penelitian ini dilaksanakan di kebun percobaan Fakultas Pertanian Universitas Musi Rawas pada ketinggian 110 m dpl pada bulan Maret sampai Juni 2012. Penelitian ini menggunakan Rancangan Petak Berbagi (RPB) dengan tiga kali ulangan, tinggi genangan sebagai petak utama dan umur bibit sebagai anak petak. Perlakuan tinggi genangan (petak utama) terdiri dari tanpa genangan, genangan tinggi 5 cm, 15 cm dan 25 cm. Genangan diberikan selama 3 bulan. Perlakuan umur bibit terdiri dari 2 level, yaitu 3 bulan dan 5 bulan. Hasil penelitian menunjukkan bahwa bibit tanaman karet dapat bertahan hidup 3-12 minggu tergantung tinggi genangan

Aplikasi Cycocel dalam Pengendalian Getah Kuning Buah Manggis (Garcinia mangostana L.) pada Lahan Kering Irianto Irianto; Budiyati Ichwan; Mapegau Mapegau
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 2 No. 2 (2013)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

The aim of this experiment was to gain the accurate concentration of cycocel growth for controlling of yellow latex mangoesteen in different age level on field water stress.Â This experiment was conducted in Koto Patah village, Keliling Danau, Kerinci, Jambi and was done from June until November 2011 at the altitude of 800 - 900 meter above sea level. Factorial experiment was arranged in a randomized block design. The first factor was cycocel concentrations: 0; 1.500; 3.000; 4.500; dan 6.000 mg L-1.Â The second factor was levels of age plants: <30; 30-50; and >50 years.Â The data were analyzed by using analysis of variance and continued with BNT test at Î±=5%.Â The results of experiment showed that: (1) the impact of cycocel on number and weight of perfect fruits depended on the age of manggoesteen; (2) manggoesteens which were less than 30 years old and treated with 4.500 mgL-1 cycocel could increase number and weight of perfect fruits; (3) manggoesteens which were older, 30-50 years old and above 50 years old needed less cycocel namely 1.500 mgL-1 for increasing number and weight of perfect fruis.

Pengaturan Aplikasi Pupuk Nitrogen Untuk Meningkatkan Toleransi dan Pemulihan Tanaman Padi Terhadap Cekaman Terendam Gribaldi Gribaldi; Rujito A. Suwignyo; Merry Hasmeda; Renih Hayati
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 2 No. 2 (2013)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

The influence of global climate to the Indonesian climate condition has been in serious condition which was already in high intensity. Flood becomes the fenomena in almost all area in Indonesia. In a swamp area, it can obstruct rice plant cultivation. The submerged rice plant create the obstruction of the rice plant photosynthesis and stress after being submerged. So thatÂ an effort is needed to increaseÂ its tolerance and recovery in order the reduction of the unhulled crop can be reduced. Â Â This study was aimed to obtain a method to increase rice stage is vegetativeÂ tolerance and recovery to submergence stress through the arrangement of nitrogen fertilizer aplication and rice variety.Â The experimental design used was factorial completely randomized design with six replications. The factor consists of rice varieties (Inpara 3, Inpara 5, IR 64) andÂ treatment (P): P1: no submergence, all N dosage prior planting; P2: submerged (7-14 DAP), all N dosage prior planting; P3: submerged (7-14 DAP), all N dosage prior planting + (Si+Zn); P4: submerged (7-14 DAP), Â½ N dosage prior planting + Â½ N dosage 42 DAP + (Si+Zn); P5: submerged (7-14 DAP and 28-35 DAP), all N dosage prior planting; P6: submerged (7-14 DAP and 28-35 DAP), all N dosage prior planting + (Si+Zn); P7:Â submerged (7-14 DAP and 28-35 DAP), Â½ N dosage prior planting + Â½ N dosage 42 DAP + (Si+Zn). The results showed that the arrangement of nitrogen fertilizer application before submerged to rice plant can increase the rice plant tolerance and recovery to the submerged stress.Â The increasing of tolerance and recovery can be obtained at the rice variety given Â½ N dosage prior planting + Â½ N dosage 42 DAP + (Si+Zn).

Kelangsungan Hidup dan Pertumbuhan Benih Nila (Oreochromis niloticus) selama Pemeliharaan dengan Padat Tebar Berbeda di Lahan Pasang Surut Telang 2 Banyuasin Eka Saputra; Ferdinand Hukama Taqwa; Mirna Fitrani
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 2 No. 2 (2013)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Penelitian ini bertujuan menentukan kelangsungan hidup dan pertumbuhan benih ikan nila selama kegiatan pemeliharaan dengan padat tebar berbeda di saluran air dan kolam tadah hujan lahan pasang surut Desa Bangun Sari Kecamatan Tanjung Lago Kabupaten Banyuasin Provinsi Sumatera Selatan. Penelitian ini dilaksanakan pada tanggal 26 Desember 2012 sampai 15 Februari 2013. Rancangan penelitian yang digunakan yaitu rancangan acak kelompok dengan tiga perlakuan padat tebar yaitu 100 ekor.m-2, 200 ekor.m-2 dan 300 ekor.m-2 selama masa pemeliharaan di saluran sekunder, saluran tersier dan kolam tadah hujan. Parameter yang diamati adalah kelangsungan hidup, pertumbuhan, efisiensi pakan, kualitas air (suhu, pH, oksigen terlarut, NH3, kecerahan, alkalinitas, Fe, salinitas dan plankton) dan kualitas tanah (pirit dan pH tanah). Hasil penelitian menunjukkan perlakuan padat tebar tidak berpengaruh nyata terhadap kelangsungan hidup, pertumbuhan dan efisiensi pakan. Perlakuan dengan rata-rata pertumbuhan, kelangsungan hidup dan efisiensi pakan tertinggi adalah padat tebar 100 ekor.m-2 pada saluran sekunder

Remediasi Lahan Berpasir di Waisamu yang Ditanami Jagung Lokal melalui Aplikasi Kompos Ela Sagu Aurellia Tatipata; A. Jacob
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 2 No. 2 (2013)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Soil in Waisamu in generally was sandy and grow with Imperata cylindrica. The aim of our experiment were to sandy soil remedied through ela sagu compost, increase growth and production of local corn. The experiment was important in attempting to make the best of sandy soil function become agriculture soil, in order to cultivate and increasinggrowth and production of local corn to improve the sustanaibility of food supply.The experiment was conducted in Waisamu and consisted of two factors and three replications, usingÂ Randomized Complete Block Design. The first factor was compost dosage,Â consisting of five levels, i.e. 0 ton per hectare, 7.5 ton per hectare, 10 ton per hectare, 12.5 ton per hectare, 15 ton per hectare. The second factor was delima corn. The variables observed for compost quality were C/N ratio, mineral content N, P, K, Ca, Mg, Fe, andÂ initial macro and micro nutrient of soil. Height and leaf area of plant, length, weigh, diameter of corn ear and weight of dry shelled were observed for growth and production of plant. The results proved that C-organic content, macro and micro nutrient in compost can increase organic substance, macro and micro nutrient of soil,improving plant growth and local corn production. Ela sagu compost can remedied sandy soil. The higher dosage until 15 ton per hectare of the compost the higher of growth and productionof corn.

Pengaruh Sisa Amelioran, Pupuk N dan P terhadap Ketersediaan N, Pertumbuhan dan Hasil Tanaman Padi di Musim Tanam Kedua pada Tanah Gambut Kurniawan Subatra
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 2 No. 2 (2013)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

The objective of this research was to know the residual effect of Ameliorant and N, P-fertilizer on availability of nitrogen, growth, and rice yield on the second of season planting on peat soil. This research was conducted from May 2006 until September 2006 at Green House of Soil Department of Agriculture Faculty, Sriwijaya University. This research use Randomized Completely Block Factorial Design with three factors of treatment and three applications. First treatment was two dosages (0 and 5 ton/ha) of ameliorant that was consist of organic manure and dolomite and the second and third was three dosages (0, 50, 100 kg/ha) of N and P-fertilizer. Result of experiment showed that ameliorant, N and P-fertilizer with their combination have given significant effect on availability of nitrogen, but havenâ€™t given significant effect on growth and rice yield on the second season cropping on peat soil.

Kecernaan Pelepah Sawit Fermentasi dalam Complete Feed Block (CFB) untuk Sapi Potong Armina Fariani; Arfan Abrar; Gatot Muslim
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 2 No. 2 (2013)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Palm midrib that was one of all agroindustries unused. It could be pontential as animal feeding. It could used as animal feeding with made it Complete Feed Block (CFB). This research aimed to study the fermentation ofÂ palmÂ midrib in complete feed block (CFB) on the quality of degestibility in vitro. The research was conducted three phases, the first phase of the fermentation ofÂ palmÂ midrib groundingÂ with White Root Fungy, the second stage of the manufacture of complete feed block (CFB) and the third stage of the proximate analysis and digestibility analysis, The research was inÂ NutritionÂ and animal feedingÂ Laboratory,Â Agriculture Faculty, Srivijaya University. This research used Completely Randomized Design (CRD) with two treatments and five replications consisting of Formula 1 and Formula 2, the parameters were observed dry matter, crude fiber, crude protein, Extract Either, BETN, dry matter digestibility coefficients, organic matter digestibility coefficients and the concentration of N-NH 3. The result of CFB formulationÂ were formula 1 TDN: crude protein (47.32%: 13.93%), formula 2 (48.41%: 7.96%), where the results of proximate analysis showed F1: 98.66% DM, LK 13:19%, 7:03% PK, SK 35.79%, 40.24% BETN, and F2: 98.41% DM, LK 16:43%, PK 6.25%Â SK 24.06%, 49.50% BETN. Formulations showed that all treatments influenceÂ non significantly (p> 0.05),Â organic matter digestibility (85.00% vs. 85.70%), dry matter digestibility (59.42% vs. 59.62% vs. 16.72%) and the concentration of N-NH 3 (2.2% versus 1.8 %). The conclusion of this study is the complete feed block (CFB) can be used as a ruminant animal feeding, but should pay attention to aspects of quality and palatability.

Respon Pertumbuhan Tanaman Padi Terhadap Beberapa Rekomendasi Pemupukan Hasil Litbang Pertanian Syahri Syahri; Renny Utami Somantri
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 2 No. 2 (2013)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Indonensian Agency for Agricultural Research and Development (IAARD) has issued some fertilization recommendations, such as fertilization based on Soil Test Kit for Low Land Rice (PUTS) and Planting Calendar (PC). The reasearch aimed to introduce and examine the effects of various fertilizer recommendations, especially on low land. The research was conducted in Lubuk Sakti village, Indralaya sub-district, Ogan Ilir district from April to Agustus 2013. The research was arranged in 3 treatments fertilization based on PUTS, Â PC and farmer practice (control). The rice varieties used Inpari 12. Legowo plating system was applied by 4:1 (plant spacing 25 x 50 x 12.5 cm) and farmers practice (plant spacing 25 x 25 cm). The plot size was 13 m x 27.5 m. The results showed that both of fertilizer recommendations issued by IAARD were able to increase rice productivity than control.Â STK, PC and control with the yield 5.60 t/ha, 6.56 t/ha and 5,20 t/ha, respectively. Fertilizer recommendations also reduced rice pests and diseases.

Uji Adaptasi Beberapa Varietas Sorgum (Sorghum bicolor L.) pada Lahan Kering di Kabupaten Ciamis, Jawa Barat Nana Sutrisna; Nandang Sunandar; Anas Zubair
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 2 No. 2 (2013)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Sorghum is one of the crops that can be used as a source of food, animal feed, and industrial raw materials. Sorghum is also resistant to drought, so the potential to be developed on land suboptimal, including on dry land in Kudat District, West Java Province. The research aims to determine the adaptability of some varieties of sorghum on dry land in Kudat District, West Java Province. Research conducted dilahan farmers in July to November 2011. Experiments using Randomized Complete (RAKL) with seven varieties of treatment and repeated three times. To seven varieties tested were (1) Numbu, (2) Kawali, (3), Padjadjaran University 1, (4) Padjadjaran 2, (5) Batari, (6) Keller, and (7) Taomitsu. Data growth and yield components and yield is analyzed by the Duncan test at 5% level. The results showed that (a) all of the tested sorghum varieties well-adapted to dry land in Kudat District, West Java Province, and (2) varieties numbu, unpad 2, and Kawali give different results, both to the growth variables and components yield and productivity but better than the four other varieties, so that the three varieties can be developed on dry land in Kudat District, West Java Province.

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Home Page

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Contact Name Sabri Sudirman

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Contact Name
Sabri Sudirman

Contact Email
sabrisudirman@unsri.ac.id

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Journal Mail Official
jlsuboptimal@unsri.ac.id

Editorial Address
-

Location
Kab. ogan ilir,

Sumatera selatan

INDONESIA