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Tumarlan Thamrin
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Keragaan Agronomis dan Kelayakan Usahatani Kedelai yang Dibudidayakan Secara Monokultur dan Polikultur di Sumatera Selatan Renny Utami Somantri; Syahri Syahri; Tumarlan Thamrin
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 8 No. 2 (2019): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (11.604 KB) | DOI: 10.33230/JLSO.8.2.2019.426

Abstract

Somantri RU, Syahri S, Thamrin T. 2019. Agronomic and economic analysis of soybeans which is grew by monoculture and polyculture systems in South Sumatra. Jurnal Lahan Suboptimal: Journal of Suboptimal Lands. 8(2):159-172.  The presence of shade and other limiting factors in the crops of plantation plants will certainly affect the growth and soybean yield were compared by monoculture. The objective of the research was to know of agronomic performance and farming feasibility of soybeans which are cultivated by polyculture and monoculture systems. Soybeans were planted in two systems namely monoculture (soybean) and polyculture (soybean are intercropped with 3 years of rubber trees).  Both of Dena 1 and Anjasmoro varieties were cropped in those systems. Soybeans are cropped by using planting machine (ATBJ) which has planting distance 20 cm x 40 cm (1-2 seeds per hole). Plants were fertilized with 50 kg Urea per ha, 150 kg TSP per ha, 150 kg KCl per ha, manure 2,000 kg per ha, and dolomite 1,000 kg per ha. Mower were used for harvesting. The results showed that the growth and soybean yield in monoculture system was better than the polyculture. Yield of Anjasmoro in monoculture was 15.35 ku per ha, whereas the polyculture was 4.72 ku per ha. Meanwhile, the productivity of Dena 1 was 14.80 ku per ha and 7.38 ku per ha in polyculture system. The polyculture had a higher value of the land equivalent ratio than monoculture of rubber trees. Economically, the two planting systems that were examined also deserve to be done by farmers, where the value R/C > 1
Potensi Hasil Beberapa Varietas Unggul Baru (VUB) Kedelai di Lahan Kering Sumatera Selatan Renny Utami Somantri; Syahri Syahri; Tumarlan Thamrin
Seminar Nasional Lahan Suboptimal 2018: Prosiding Seminar Nasional Lahan Suboptimal "Tantangan dan Solusi Pengembangan PAJALE dan Kela
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Abstract

Somantri et al, 2019. Potential of Several Soybean Varieties in Dry Land of South Sumatera. pp. 473-481. Soybean productivity is determined by climate, land suitability also innovations applied such as the use of superior varieties.  Soybean cropping areas mostly covers ricefield and dry land in South Sumatera, in where rice field fertility is better than dry land.  With total of 364.583 Ha dry land, soybean cultivation is potential to be developed in South Sumatera to obtain self-sufficiency and minimize soybean imports.  The activity was carried out in Talang Ubi Sub-district in Penukal Abab Lematang Ilir (PALI) District in 2018.  The study was aimed to understand the growth and yield of some adaptive soybean superior varieties (VUB) in dry land of South Sumatera.  Technologies applied was the use of several soybean VUB i.e. Burangrang, Dering 1. Demas 1 dan Anjasmoro, fertilizer based on Dry Land Test Kit (PUTK), the use of manual grains seeder (ATBJ), Rhizobium application on seeds and integrated pest control. The result showed that the highest yield was obtained from Dering 1 for 2,3 t/ha of dry seed and the lowest was Burangrang for 1,36 t/ha.
Peran Diseminasi Teknologi dalam Meningkatkan Pengetahuan Petani dan Produksi Padi di Lahan Rawa Lebak Sumatera Selatan Syahri Syahri; Renny Utami Somantri; Tumarlan Thamrin
Seminar Nasional Lahan Suboptimal 2019: Prosiding Seminar Nasional Lahan Suboptimal “Smart Farming yang Berwawasan Lingkungan untuk Ke
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Syahri S, Somantri RU,  Thamrin T. 2019. Dissemination technology to enhance farmers knowledge and rice production in swamps of South Sumatera. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal 2019, Palembang  4-5 September 2019. pp. 584-594.  Palembang: Unsri Press. The government continues to strive in order to increase rice production, especially in swamps. In fact, at the end of 2018, the Ministry of Agriculture initiated the SERASI program’s. However, adoption of technologies at farmers level are still very slow. So that, South Sumatra AIAT always campaign the good agricultural practices which have been produced by IAARD. It was done to improve the welfare of farmers, especially on swampy. The activity was carried out on 12 farmer groups in Jukdadak village, Tanjung Lubuk subditsrict, distrcit of OKI from May to December 2018. Dissemination of technology is done through several methods, including: 1) making an integrated rice crop management demonstration plot of 5 ha, 2) socialization of 2.5 ha of new rice varities, 3) technology dissemination through farmer training, 4) farmer group meetings, 5) technology demonstrations, and 5) dissemination of dissemination material produced by the IAARD. The technologies which has introduced in demonstration plot includes the Legowo 2:1, the use of adaptive varities (Inpari 30 and Inpari 43), fertilization based on the results of soil test kit and pest control based on IPM principles, 21 days seedling, making local microorganism (MOL) and the use of leaf chart and PUTR. The parameters analyzed included the growth and rice yield on both of demonstration plot and display, increasing farmers' knowledge, and increasing rice productivity. The results show that rice productivity at the demonstration plot location and varities socialization averaged 4.8 t/ha (Inpari 30) and 4.0 t/ha (Inpari 43). The technology dissemination was able to increase rice productivity at the assisting location, which reached 19.1% compared to the previous year. In addition, an increase in farmers' knowledge in carrying out rice cultivation, especially in the swampy swamp land.Keywords: technology dissemination, farmers knowledge, rice production, swamp, Sumatera Selatan
Co-Authors Renny Utami Somantri Renny Utami Somantri Syahri Syahri