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S Sudarto
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Agriculture, Biological Sciences & Forestry Environmental Science

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PENGARUH TINGGI MUKA AIR TANAH TERHADAP pH, Eh, Fe, Aldd, Mn DAN P TERLARUT PADA TANAMAN NANAS KLON GP3 DI ULTISOL Ayu Sulistya Kusumaningtyas; Priyo Cahyono; S Sudarto; Retno Suntari
Jurnal Tanah dan Sumberdaya Lahan Vol. 2 No. 1 (2015)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

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Abstract

Water logging is a condition where water can concentrate at one location. This condition can cause changes in soil chemical properties and inhibiting the growth of pineapple plant of PT. Great Giant Pineapple. The purposes of this study were to understand the influence of soil water level on the change in soil chemical properties in different soils iron content, and the influence of soil water level on plant growth as well as iron and phosphorus absorption in plants. This study used factorial completely randomized design with 30 treatment combinations. The treatments included soil with 100% water available, 0 cm from soil surface, 10 cm from soil surface, 20 cm from soil surface, 30 cm from soil surface, 12.76 ppm iron concentration and 30.15 ppm iron concentration. The The results showed that the water level was significantly different on pH, Fe, exchangeable Al, exchangeable H, and Eh in soil iron and not significantly different on Mn, P and pineapple plant growth in 6 weeks of waterlogged. The soil water content did not significantly change soil pH . Therefore, the response to pineapple plant growth was not significantly different. The best treatment for water logging was 30 cm of water logging from surface
ESTIMASI LIMPASAN PERMUKAAN DAS MIKRO BRANTAS HULU KECAMATAN BUMIAJI KOTA BATU MENGGUNAKAN PENGINDERAAN JAUH DAN SISTEM INFORMASI GEOGRAFIS Muhammad Alimin; Kurniawan Sigit Wicaksono; S Sudarto
Jurnal Tanah dan Sumberdaya Lahan Vol. 2 No. 2 (2015)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

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Abstract

Land use changes are factors affecting the occurrence of surface runoff. By using Rational Method, the average yield calculation of surface runoff occurring on 7 February to 10 April 2015 ranged between 1.15 x 10-8 m3 sec-1 or 1.38 L m-2 and 3.75 x 10-8 m3 sec-1 or 2.37 L m-2. By using Chin-ong Meter Method,  the yields of surface runoff occurring on 7 February to 10 April 2015 were 2.6 L m-2, 3.9 L m-2, 5.0 L m-2, 5.8 L m-2, 6.1 L m-2, and 8.3 L m-2, respectively, for forest land use, intensive agricultural land use with apple crops, intensive agricultural land use with orange crops, intensive agricultural land use with beans crops, intensive agricultural land use with ground peanut, and fallow land use. Results of paired t test between the results of Rational Method with Chin-ong Meter Method showed that there were no significant differences with a P-value table of 0.41 > α = 0.05. Area of mechanical and vegetative conservation priorities in Brantas Watershed Upstream Micro with very prone level of runoff were Bulukerto Village of 41.45 ha and Bumiaji Village of 30.74 ha. 
KAJIAN PRODUKTIVITAS DAN MUTU TEMBAKAU TEMANGGUNG BERDASARKAN NILAI INDEKS ERODIBILITAS DAN KEPADATAN TANAH Anam Prasetiyo; D Djajadi; S Sudarto
Jurnal Tanah dan Sumberdaya Lahan Vol. 3 No. 2 (2016)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

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Abstract

This study was aimed to identify the distribution of productivity and quality of Temanggung tobacco, identify relationships between soil erodibility with soil compaction and productivity quality of Temanggung tobacco, and identify relationships between soil erodibility index with productivity and quality of Temanggung tobacco. The study was conducted by field survey method with the object of study was tobacco fields in Temanggung Regency, Central Java. Based on the data obtained, two maps i.e. map of productivity distribution and map of Temanggung tobacco quality. The results showed that the soil compaction affected the value of erodibility index. The higher of the soil compaction, the lower was the value of soil erodibility. It was because the compaction of the soil influenced one aspect of erodibility. The soil compaction affected the productivity but did not affect to the quality of Temanggung tobacco. The more compact the soil, the lower the productivity of the land, it was because root development was hampered by the dense soil, thus affecting the development of other plants (leaves). While erodibility did not affect productivity, it affected the quality of tobacco. The higher erodibility indicated the lower quality tobacco. This was because the high soil erodibility increased soil sensitivity to erosion.
PEMETAAN DAERAH RAWAN LONGSOR DI KECAMATAN PUJON MENGGUNAKAN METODE ANALYTIC HIERARCHY PROCESS (AHP Bramantia Setiawan; S Sudarto; Aditya Nugraha Putra
Jurnal Tanah dan Sumberdaya Lahan Vol. 4 No. 2 (2017)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

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Abstract

Pujon is one area in East Java province, which often landslides. Relief hilly to mountainous with steep slope to steep and high rainfall intensity causes landslides. Given the magnitude of the threat of landslides, it is necessary to study the estimation of landslide area by utilizing the limited data, especially the area around the transport path. Information about potential landslide hazard map is indeed very good, but often encountered problems in preparation for recording at least a landslide. This problem can be solved by a method called Analytic Hierarchy Process (AHP). This method can be used when there is limited quantitative data. The research was conducted in the Kalikonto watershed, Malang, East Java Province. The results showed that Pujon can be grouped into four classes of landslide susceptibility, namely: not vulnerable, somewhat vulnerable, vulnerable and very vulnerable. The area is not vulnerable area of 9,770 ha, or 64.05% of the total area, somewhat vulnerable area of 4.9001 ha or 30.82%, vulnerable of 768 ha or 5.03% and the area is very vulnerable of 14.85 ha or 0.1 %. The factors that most influence susceptibility to landslides in Pujon is a slope with a score of 45% weight of all parameters. However, the assessment of AHP in Pujon not fully applicable. Estimation of the potential hazard of landslides manually generate distribution maps of landslides are quite accurate, but the use of expert choice could not be applied. 
PENGARUH IMPLEMENTASI SISTEM IRIGASI BIG GUN SPRINKLER DAN BAHAN ORGANIK TERHADAP KELENGASAN TANAH DAN PRODUKSI JAGUNG DI LAHAN KERING Donny Nugroho K; S Sudarto; H Haryono
Jurnal Tanah dan Sumberdaya Lahan Vol. 5 No. 1 (2018)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

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Abstract

Dry land in Indonesia has high potential for agricultural development because of its area, but its utilization is still not optimal. Low water availability is a major issue on dry land. The availability of water is affected by the topography and physical properties in dry land in the holding or to save water. Easy removable irrigation systems such as the Big Gun Sprinkler can meet water demands, while adding organic material can prolong its availability. The purpose of this study  was to analyze the effect of the use of Big Gun Sprinkler irrigation system and organic material against moisture of soil and maize yield. Experimental design used in this research was a Split Splot design with two factors, the first factor was dose the water with three levels consisting of A1 ((100% dose of water), A2 (85% dose of water), A3 (70% dose of water), and the second factor was a dose of organic matter with three levels consisting of B1 (3 t ha-1), B2 (4 t ha-1), B3 (5 t ha-1), and the combination of these factors that consisted of three replicates. The results of this study showed that with irrigation systems water distribution was not uniform because of the influence of the distance from the centre and the wind. Combination of doses of water and organic matter did not give significant influence over all  parameters. However, each treatment produced different values on each parameter.
KETERKAITAN KETERSEDIAAN UNSUR HARA Ca, Mg, DAN Na DENGAN PRODUKSI DAN MUTU TEMBAKAU KEMLOKO DI KABUPATEN TEMANGGUNG, JAWA TENGAH Anita Dwy Fitria; S Sudarto; D Djajadi
Jurnal Tanah dan Sumberdaya Lahan Vol. 5 No. 2 (2018)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

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Abstract

Temanggung is known as best quality tobacco producer. The potential production of Temanggung tobacco ranges from 900 to 1200 kg ha-1, but the present tobacco production is still low at 703 kg ha-1. The type of tobacco that is widely cultivated in Temanggung is Kemloko tobacco, which is known as the best local tobacco variety. This study was aimed to explore the relationship of Ca, Mg and Na availability for production and quality of Kemloko Tobacco in Temanggung Regency, Central Java. Soil samples were collected from field at 0-20 cm depth. The chemical analysis results showed that the distribution of Ca availability was low to high (2-20 me 100 g-1), availability of Mg was high to very high (2.1 to> 8 me 100 g-1), availability of Na was low to medium (0.1-0.4 me 100 g-1). The results of correlation analysis were as flows: Ca and production was 0.1520, Ca and quality index was 0.0660, Mg and production was -0.0676, Mg with quality index was (-0.0419), Na and production was -0.2304, Na and quality index was -0.1023. All correlation coefficients were weak. The average yield of moderate tobacco production was 311-609 kg ha-1 with the result of the average quality index entering into the very low class of 20-48.
KETERKAITAN STATUS HARA N, P, K TANAH DENGAN PRODUKSI DAN MUTU TEMBAKAU VARIETAS KEMLOKO DI KABUPATEN TEMANGGUNG, JAWA TENGAH Radhini Kartika Putri; S Sudarto; D Djajadi
Jurnal Tanah dan Sumberdaya Lahan Vol. 5 No. 2 (2018)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

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Abstract

One of the tobacco producing centers in Indonesia is Temanggung District, Central Java. Varieties that are commonly grown in Temanggung Regency is Kemloko varieties that produce the best quality (srinthil) with high nicotine and used as raw material for making kretek cigarettes. This study was aimed to analys the relevance of nutrient status of N, P, K in soil on production and quality index in Temanggung, and arranging distribution map of N, P, K in Temanggung. The study was conducted by field survey. Results showed that there was no significant correlation between N, P, K on productivity and quality of tobacco  Kemloko varieties in Temanggung regency, Central Java. N, P, K correlation value to productivity that -0.1125, 0.2247, -0.1856. N, P, K correlation to quality index -0.0002, 0.2354, 0.0836. There was no significant correlation between N, P, K with productivity and tobacco quality index on 2016 planted season  due to high rainfall occurring throughout 2016. Distribution of N-total  in tobacco producing centers in Temanggung was low (0.14%), to moderate (0.35%), P-distriburtion is very high (23.15 ppm P-50.88 ppm P) and K distribution was average (0.48 me 100 g-1) to very high (1.57 me 100 g-1).
ESTIMASI KANDUNGAN UNSUR HARA KALIUM DAN MAGNESIUM PADA TANAMAN NANAS (Ananas comosus (L) Merr.) Menggunakan Unmanned Aerial Vehicle (UAV) DI PT. GREAT GIANT PINEAPPLE Lukman Mei Widitya; S Sudarto; Aditya Nugraha Putra; Dwi Okiyanto
Jurnal Tanah dan Sumberdaya Lahan Vol. 5 No. 2 (2018)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

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Abstract

Central Lampung is one of the areas that produce a lot of pineapple. Pineapple plants require potassium and magnesium nutrients to produce optimal fruit. The apparent appearance of chlorotic symptoms due to nutrient deficiency of potassium and magnesium makes it possible to be detected using aerial photographs. This study aimed to compare between Green Normalized Difference Vegetation Index (GNDVI), Normalized Difference Vegetation Index (NDVI) and spectral values for predicting potassium and magnesium contents in pineapple plants. The result of regression test showed that GNDVI had the best relationship than NDVI and spectral values. The equation for predicting the potassium nutrient in pineapple plant was with the formula: K=3,342-1,501(GNDVI) with RMSE value 0,1634. The Estimation magnesium in pineapple plants, NDVI had a better relationship with magnesium than with GNDVI and spectral values. The equations for magnesium estimation in plants with NDVI were obtained by using the regression test, i.e.: Mg=0,083+0,288(NDVI) with RMSE of 0,0342. Paired T-test values of GNDVI with potassium (-1,007) and NDVI with magnesium (-1,048) showed that t count was smaller than t table (2,015) and the significance value of both was greater than alpha (α = 0,05). So it can be said that the value of estimation with the actual value in the field has no difference that significant.
ANALISIS DAN EVALUASI SIFAT KIMIA TANAH PADA LAHAN TEMBAKAU VARIETAS KEMLOKO DI SENTRA TEMBAKAU KABUPATEN TEMANGGUNG, JAWA TENGAH Ainur Rofik; S Sudarto; D Djajadi
Jurnal Tanah dan Sumberdaya Lahan Vol. 6 No. 2 (2019)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (6422.74 KB) | DOI: 10.21776/ub.jtsl.2019.006.2.23

Abstract

This study aimed to analyze the effect of soil chemical consisting of pH, C-organic, CEC, and base saturation on the production and quality index of Kemloko tobacco varieties, and to identify distribution map of soil chemical properties. The study was conducted by field survey and analysis spatial was used Inverse Distance Weighted interpolation method. The results showed that distribution of soil chemical properties in Tobacco Centers at the Temangung Regency consisting of acidic pH value with a range of values 3,96-6,97, soil C-organic ranges low with a range of values 0,19-6,79%, soil CEC ranges from high to very high with a range of values 10,98-67,84 me/100g-1, and low base saturation categories with a range of values 13,24-82,77%. Correlation coefficient obtained between the soil chemical properties and tobacco’s production; each of them is sequential, i.e., 0,112, -0,204, 0,005, -0,027 in the weak to very weak category. While the level of coefficient correlation between soil chemical properties and tobacco quality index, each of them is sequential, i.e. -0,001, -0,141, -0,175, 0,165 in the very weak category. This was because productivity and quality index of Kemloko tobacco varieties in Tobacco Centers at the Temanggung Regency on 2016 planted season due to high rainfall occurring throughout 2016 on the tobacco processing phase.
Co-Authors Aditya Nugraha Putra Ainur Rofik Anam Prasetiyo Anita Dwy Fitria Ayu Sulistya Kusumaningtyas Bramantia Setiawan D Djajadi Donny Nugroho K Dwi Okiyanto H Haryono Kurniawan Sigit Wicaksono Lukman Mei Widitya Muhammad Alimin Priyo Cahyono Radhini Kartika Putri Retno Suntari