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S Soemarno
Fakultas Pertanian Universitas Brawijaya Malang
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education

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Penerapan Pembelajaran Berbasis Multikultural dengan Model Kooperatif Time Token untuk Meningkatkan Hasil Belajar dan Keterampilan Sosial Peserta Didik pada Mata Pelajaran Sejarah Kelas XII IPS 1 SMAN 1 Jenggawah Tahun Pelajaran 2016/2017 Asyiyah, Hajar Riza; Soepeno, Bambang; Soemarno, S
Jurnal Edukasi Vol. 3 No. 3: Nopember 2016 : Jurnal Edukasi
Publisher : Universitas Jember, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (304.14 KB) | DOI: 10.19184/jukasi.v3i3.3514

Abstract

Penelitian ini bertujuan untuk menganalisis peningkatan hasil belajar dan keterampilan sosial peserta didik melalui penerapan pembelajaran berbasis multikultural dengan model kooperatif Time Token pada mata pelajaran Sejarah kelas XII IPS 1 SMAN 1 Jenggawah tahun pelajaran 2016/2017. Jenis penelitian ini adalah penelitian tindakan kelas yang terdiri dari 3 siklus dan masing-masing siklus terdiri dari empat tahapan yaitu perencanaan, tindakan, observasi, dan refleksi. Hasil penelitian menunjukkan bahwa terdapat peningkatan hasil belajar peserta didik pada siklus 1 sebesar 71,25%, siklus 2 meningkat sebesar 73,75%, dan siklus 3 meningkat sebesar 81,38%. Hasil keterampilan sosial peserta didik menunjukkan bahwa peningkatan rata-rata keterampilan sosial peserta didik pada siklus 1 sebesar 39,02%, pada siklus 2 meningkat sebesar 63,05% dan siklus 3 sebesar 76,66%. Adanya penelitian ini diharapkan dapat dijadikan acuan bagi pendidik dalam pengelolaan proses pembelajaran sejarah yang lebih berkualitas untuk meningkatkan hasil pembelajaran sejarah. Kata Kunci : Pembelajaran Berbasis Multikultural, Model Kooperatif Time Token, Hasil Belajar Peserta Didik, dan Keterampilan Sosial
Humification degree and its relationship with some soil physical characteristics on robusta coffee (Coffea canephora) plantation Putra, M J N F I A; Soemarno, S; Suntari, R
Journal of Degraded and Mining Lands Management Vol. 3 No. 4 (2016)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2016.034.649

Abstract

Soil moisture stress in coffee plant impacts on the productivity of coffee fruit at PT. Perkebunan Nusantara XII, it is because the low ability of the soil to store water. The ability of the soil to store water can be increased by increasing the organic matter content of soil, especially humic substances. Soil organic matter plays an important role in the improvement of soil physical properties, especially the availability of soil moisture for plants. The purpose of this study was to analyze several humification parameters at four age of plantations plots of coffee and its relation to the water distribution potensial on Inceptisol PT. Perkebunan Nusantara XII Malang district. The research was conducted at PT. Perkebunan Nusantara XII were taken soil samples from 8, 28, 40, and 80 years old robusta coffee plots at 0-30 cm and 30-60 cm soil depth. The results showed that the increasing the age of the coffee plantations significantly increased the input of organic matter in the soil, with indicators of increased litter on soil surface, increased levels of soil C-organic and N-total, humic acid and soil pH. Increasing age of coffee plantations until 80 years did not affect to the value of humification parameters (C/N ratio, HA/FA ratio, E4/E6 ratio, and the humification rate (HR)). The age of coffee plantations affected the total acidity, carboxylic groups and phenolic OH, where the values tended to decrease with the  older of coffee plantations in the 0-30 cm of soil layers and increased in 30-60 cm. Increasing age of coffee plantations improved the total pores and available water content in the 0-30 cm of soil layer.
Buffering capacity of paddy field as the reservoir of rainwater and surface runoff in the Lowokwaru subdistrict, Malang, East Java Suprihati, Rina; Hanani, Nuhfil; Irianto, S Gatot; Soemarno, S
Journal of Degraded and Mining Lands Management Vol. 5 No. 2 (2018)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2018.052.1065

Abstract

Paddy fields produce ecological services that improve environmental quality in urban areas, one of them was flood control through retaining rainwater and surface runoff within the embankment of paddy field. The ability to retain water is known as the buffering capacity (BC), which is the function of soil moisture, embankment height, water inundation and rice-plant interception during the growing periode. The intermitten system of water inundation applied by farmers resulted in changes of the BC on daily basis. The calculation of BC was divided into five categories for accuracy, which were : (1) BC during the Harvest; (2) BC with inundation at vegetative and generative phase (VGG); (3) BC with inundation during Land Preparation and Planting phase (OTTG); (4) BC without inundation during the vegetative and generative phase (VGTG); and (5) BC without inundation during the land preparation and planting phase (OTTTG). The purpose of this research was to measure potential buffering capacity of paddy field in Lowokwaru Subdistrictand to estimate amount of rainwater and surface runoff which could be accommodated within the buffering capacity. The average of daily BC in seven different villages were 1,650.81– 3,961.81 m3/ha and the total BC for 241 paddy field was about 823,156.36 m3.It was only a small percentage of average daily BC filled by rainwater (14.07-33.31%) and left the rest to be filled by surface runoff water. The paddy field of 241 ha in Lowokwaru Subdistrictis was capable to receive surface runoff from surrounding areas up to 1,698.66 ha. 
Application of ecohydraulic bank protection model to improve river bank stability and biotic community in Surabaya River Rini, Daru Setyo; Arisoesilaningsih, Endang; Harisuseno, Donny; Soemarno, S
Journal of Degraded and Mining Lands Management Vol. 5 No. 1 (2017)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2017.051.975

Abstract

Ecohydraulic river bank protection design was developed as ECO-RIPRAP model and has been applied along 100 meter length to restore accelerated erosion sites in Surabaya River at Wringinanom and Klubuk. The model combined re-profiled and re-vegetated bank with rock toe reinforcement and addition of log groynes at 10 meter length interval. Various native plant species were planted on bank slopes, including water plants Ipomoea aquatica and Pistia stratiotes, grasses and shrubs Ipomoea carnea, Pluchea indica, Saccharum spontaneum, Arundo donax, and native tree species Ficus glomerata, Bambusa arundinacea, Dendrocalamus asper, Bambusa vulgaris, Ficus benjamina, Dillenia indica, Psidium guajava, Arthocarpus camansi, Arthocarpus elasticus, Hibiscus mutabilis, Nauclea sp., Inocarpus edulis, and Syzygium polyanthum. The river bank morphology after ECO-RIPRAP application showed alteration from erosion to sedimentation due to rock toe enforcement, log groynes protection, and increase of plant cover on littoral banks that decreased near bank velocity. The macro-invertebrate community shown increase of taxa richness, EPT richness, %EPT and %Atyidae, but decrease of %Chironomidae at restored sites. The fish community shown increase of taxa richness, increase of abundance by 54.2%, increase of Pangasius micronemus abundance by 25.6%, and increase of Hemibragus nemurus abundance by 6.3 % at restored reach. Rare fish species thrive back at restored area, namely Oxyeleotris marmorata, Mastacembelus unicolor and Hampala macrolepidota.
Role of cajuput waste compost against the physical quality of sandy soil Mashudi, M; Kusuma, Zaenal; Soemarno, S; Prijono, Sugeng
Journal of Degraded and Mining Lands Management Vol. 6 No. 4 (2019)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2019.064.1837

Abstract

Composting is an alternative way to accelerate decomposition and maturation of residual waste from refining leaves of cajuput to be suitably applied to the soil. The application of Cajuput Waste Compost (CW Compost) is intended to increase the productivity of sandy soil in Indonesian dryland. Compost serves as a soil conditioner that can improve the physical, chemical and biological properties. The study aimed to determine and analyze the role of CW compost in improving the physical quality of sandy soil in two incubation periods. The study used experimental methods, through soil incubation that given CW compost, in a greenhouse with two incubation periods. The experiments used a completely randomized design with 4 levels of CW compost treatment, namely: 0 t/ha (P0), 10 t/ha (P1), 20 t/ha (P2), 30 t/ha (P3). The results showed CW compost had a significant role in improving the physical quality of sandy soil both at 1-month and 4-month incubations. The soil physical quality increased by increasing compost levels and incubation periods, except for the total available water variable which decreased after 4-month incubation. The decrease was allegedly due to the reduction of labile fraction in the soil
Improvement of soil moisture storage in clove plantation land using biopore technology and organic material litters Umasugi, Buhari; Prijono, Sugeng; Soemarno, S; Ariffin, A
Journal of Degraded and Mining Lands Management Vol. 8 No. 2 (2021)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2021.082.2601

Abstract

The biopore infiltration hole with organic material litter can increase the soil capacity to accommodate and store soil moisture. This study was aimed to determine the effect of biopores and organic material litter on soil moisture storage and the relationship of climatic conditions on soil moisture storage. The experiment was carried out on clove plantations on Ternate Island, North Maluku from December 2018 to February 2019. This study used a factorial randomized block design. The first factor was the biopores with a depth of 50 cm and 90 cm, and the second factor was 4 types of organic material litters in the form of nutmeg leaves, clove leaves, Guinea grass leaves and a mixture of clove leaves and Guinea grass. The factors observed were total soil water storage and at depths of 0-20, 20-40, 40-60 and 60-80 cm; organic matter content; C/N ratio and soil total N. Data analysis used the GenStat program with analysis of variance test (ANOVA) and Duncan's Multiple Distance Test. Results of the study showed that evaporation and percolation are climatic factors that affect water loss. Increase in soil water storage at 20-40 cm soil depth of 107.56 mm was yielded by the treatment of 50 cm biopore and Guinea grass leaf litter but it was not significantly different from the 50 cm biopore and clove leaf litter + chicken manure treatment. The treatment of biopore and organic material litter also increased the organic matter and soil total N and decreased the soil C/N ratio, but it did not have a significant effect. 
Improvement of soil available water capacity using biopore infiltration hole with compost in a coffee plantation Hanuf, Atiqah Aulia; Prijono, Sugeng; Soemarno, S
Journal of Degraded and Mining Lands Management Vol. 8 No. 3 (2021)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2021.083.2791

Abstract

Coffee plantation management has an important role in soil quality in order to increase coffee production. Biopore Infiltration Hole with Compost (BIHC) can increase soil available water capacity. In this study, the goal was to improve soil available water capacity in a coffee plantation with the implementation of the BIHC. This study was conducted at PTPN XII Bangelan, Malang, on March - August 2020. A randomized block design with seven treatments and four replications was used. The BIHC consisted of two-hole depths (30 cm and 60 cm) and two types of compost (goat manure and coffee pulp compost). The soil characteristics observed were water retention (pF) and C-organic at soil depths of 0-20, 20-40, and 40-60 cm. The coffee tree observed were number of leaves and chlorophyll content. Data obtained were subjected to analysis of variance (ANOVA) by the F test and Duncan's Multiple Distance Rate  Test (DMRT) at 5% probability, using SPSS program. Results of the study showed that BIHC was able to increase the content of soil C-organic and the available water capacity significantly compared with control treatment. The BIHC implementation could increase soil available water capacity up to 65% at a soil depth of 0-20 cm, up to 60% at a soil depth of 20-40 cm, and up to 51% at a soil depth of 40-60 cm more than the control treatment. The soil available water capacity suggested a significant positive correlation (p≤0.05) with the leaves number of coffee tree and chlorophyll content of leaves.
Co-Authors Ariffin, A Bambang Soepeno buhari umasugi Donny Harisuseno Endang Arisoesilaningsih Hajar Riza Asyiyah, Hajar Riza Hanuf, Atiqah Aulia Irianto, S Gatot M Mashudi, M Nuhfil Hanani Putra, M J N F I A Sugeng Prijono Suntari, R Suprihati, Rina Wardani, Rini Setyo Zaenal Kusuma