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All Journal Jurnal Ilmu-Ilmu Pertanian Indonesia TERRA : Journal of Land Restoration
Kanang Setyo Hindarto
University of Bengkulu
Agriculture, Biological Sciences & Forestry

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HUBUNGAN KELERENGAN DENGAN KADAR AIR TANAH, PH TANAH, DAN PENAMPILAN JERUK GERGA DI KABUPATEN LEBONG Nurlina Banjarnahor; Kanang Setyo Hindarto; Fahrurrozi Fahrurrozi
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 20, No 1 (2018)
Publisher : Program Studi Ilmu Tanah Fakultas Pertanian UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.20.1.13-18

Abstract

[RELATIONSHIP OF SLOPE STEEPNESS TO SOIL WATER CONTENT, SOIL PH, AND PERFORMANCES OF GERGA ORANGE AT LEBONG REGENCY]. In Lebong Regency, gerga orange is commonly grown in hilly areas and many of the crop stands were found on steep sloped land. Objective of this study was to determine the pattern of relationship of slope steepness to soil water content, soil pH, and the overall plant performances. Soil samples were collected from the area below the canopy of 300 gerga orange trees differing in the slope steepness for for soil water content (SWC) and soil pH.  The observation of plant performances were also made from the same tree as used for the soil properties observations. The analysis of regression indicated that relationship of slope steepness to both the observed soil properties and plant performances could be represented by the linear models suggesting that all the observed variables were reduced along with the increasing slope steepness.
Effects of Combining Application between Palm-oil Fruit Bunch Organic Fertilizer and Synthetic Nitrogen on Cucumber Yields Rina Perwanti Naibaho; Fahrurrozi Fahrurrozi; Hasanudin Hasanudin; Bambang Gonggo Murcitro; Kanang Setyo Hindarto; Nadrawati Nadrawati
TERRA : Journal of Land Restoration Vol 2, No 1 (2019)
Publisher : Department of Soil Science, Faculty of Agriculture, University of Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/terra.2.1.24-29

Abstract

Cucumber is one of popular vegetables among consumers and widely cultivated by in Indonesia. Since there is an increasing concern of fertilizer costs and sustainability of land resources, the use of synthetic fertilizer must be minimized by using more organic sources, including the use of waste of fruit bunch of palm oil as compost. This experiment aimed to determine the best combination of between palm-oil fruit bunch organic fertilizer and synthetic nitrogen on cucumber yields. Treatments were consisted of (1) without palm-oil bunch organic fertilizer + without Urea, (2) without palm-oil bunch organic fertilizer + Urea 50 kg ha-1 , (3) without palm-oil bunch organic fertilizer + Urea 150 kg ha-1 , (4) without palm-oil bunch organic fertilizer + Urea 250 kg ha-1 , (5) palm-oil bunch organic fertilizer 5 tons ha-1 + without Urea, (6) organic fertilizer palm-oil bunch 5 tons ha-1 + Urea 50 kg ha-1 , (7) palm-oil bunch organic fertilizer 5 tons ha-1 + Urea 150 kg ha-1 , (8) palm-oil bunch organic fertilizer 5 tons ha-1 + Urea 250 kg ha-1 , (9) palm-oil bunch palm-oil bunch organic fertilizer 10 tons ha-1 + without Urea, (10) palm-oil bunch organic fertilizer 10 tons ha-1 + Urea 50 kg ha-1 , (10) palm-oil bunch organic fertilizer 10 tons ha-1 + Urea 150 kg ha1 , (12) palm-oil bunch organic fertilizer 10 tons ha-1 + Urea 250 kg ha-1 . Results indicated that combination application between palm-oil fruit bunch organic fertilizer and synthetic nitrogen significantly effects fruit length, fruit diameter, number of fruit planted, fruit weight per plot, number of fruit per plot and fruit weight per plot. It was concluded that the use of 10 tons ha-1 of palm-oil bunch organic fertilizer in combination with 250 kg ha-1 of Urea (P12) was the best treatment combination to increase cucumber yields.
Land Suitability Evaluation for New Paddy Rice Field in Mukomuko District Albert Carles; Kanang Setyo Hindarto; Heru Widiyono; Mukhtasar Mukhtasar; Hermansyah Hermansyah
TERRA : Journal of Land Restoration Vol 4, No 1 (2021)
Publisher : Department of Soil Science, Faculty of Agriculture, University of Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/terra.4.1.17-22

Abstract

This study aims to identify the physical, chemical characteristics of the soil and determine the suitability of rice fields for new openings in Mukomuko. This research was conducted from September to October 2019, which consisted of fieldwork and laboratory analysis. This research uses a survey method, soil sampling is carried out by a composite method consisting of 5 soil samples. Composite soil sampling technique based on land unit work maps produced from the map of soil types Mukomuko district scale of 1: 100.000. The results showed that all samples had the same dominant limiting factors namely P2O5, K2O, and Base Saturation. Land suitability for lowland rice plants in Mukomuko District Af.1.2.1 (S3nr) land area with an area of 42.68 ha, Af.1.2.2 (S3nr) land area with an area of 56.65 ha, land unit Tf.2.1 (S3nr) with an area of 60.15 ha, and land unit Tf.3.1 (S3nr) with an area of 89.30 ha. 
Land Evaluation for Oil Palm Plantation on Peat Soil in Pondok Kelapa District, Midle Bengkulu Regency of Bengkulu Province Alex Chandra Situmeang; Kanang Setyo Hindarto; Prasetyo Prasetyo
TERRA : Journal of Land Restoration Vol 2, No 1 (2019)
Publisher : Department of Soil Science, Faculty of Agriculture, University of Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/terra.2.1.30-35

Abstract

The development of oil palm plantations in Indonesia as a commodity crop has increased rapidly from year to year. The oil palm plant in Pondok Kelapa District, Middle Bengkulu Regency is the second-largest plantation of people after oil palm. Increasing the income and welfare of farmers can also be done through the evaluation of peatland custom in oil palm crops. This study aims to evaluate the suitability and analyze peatland limiting factors for oil palm plants in Pondok Kelapa District and provide peatland processing direction based on limiting factors to produce palm oil production in Pondok Kelapa District. This research was conducted in Pondok Kelapa Bengkulu Tengah Regency from December 2014 until January 2015 through 4 stages, namely pre-survey, field survey, data analysis, and making a map of the potential development of oil palm plantations. The results showed that each observation point has a low to moderate soil fertility rate It is characterized by low pH and N total values, as well as low P2O5 in providing nutrients for oil palm plants. In general, limiting factors are the dominant limiting factors, namely available nutrients (P2O5, N total) and nutrient retention (pH). The results of land suitability evaluation in Pondok Kelapa District showed the land suitability class is S2 and S3, actual land suitability class for oil palm plants in Pondok Kelapa District with barrier factors hampered drainage, fertility/low soil nutrients, and soil drainage is very hampered/very bad. Efforts to increase peatland potential for oil palm crops can be done by improving drainage, planting systems, and high maintenance of groundwater levels in oil palm plants. 
Prediction of Erosion and Sedimentation in Micro Catchment Area of Air Lanang Using Soil and Water Assessment Tool (SWAT) Model Teja Alta Putra; Kanang Setyo Hindarto; Priyono Prawito
TERRA : Journal of Land Restoration Vol 5, No 1 (2022)
Publisher : Department of Soil Science, Faculty of Agriculture, University of Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/terra.5.1.27-37

Abstract

This research aims to obtain erosion and sedimentation rate data in the micro catchment area of Air Lanang using soil and water assessment tool (SWAT) modelling within existing and scenario land uses. Geographically, the study area is located between latitude 3°26`23.48” - 3°31`46.09” S and longitude 102°24`11.74” - 102°28`26.35” E with a total area of 2987.06 ha. Soil analysis was conducted in the Soil Science Laboratory, Faculty of Agriculture, University of Bengkulu. The research data was analysed using SWAT model. Recorded data in this study were including soil analysis data, soil type map from land unit and soil map book Bengkulu sheet (0912) Sumatra, data of status area from KLHK, Digital Elevation Model National data from BIG, a set of climate data from BMKG, data of administrative border from RBI map Bengkulu Province and data of land use from the interpretation of satellite image and ground checking, as well as the scenario land use which was prepared following the community forest program from the government in the protected forest by converting the coffee plantation located within the protected forest area to woody plants with economic, social and conservative values. The results showed total erosion in the micro catchment area of Air Lanang with the existing land use in 2020 was 820731.87 ton year-1, while in the scenario land use was 288212.45 ton/year which were classified to very light, light, moderate, heavy and very heavy in class erosion. Based on the existing land use data, there was a decrease of erosion in the moderate to very heavy class of erosion for 7.27 % resulting in the very light and light class of erosion become 15.55 % after the simulation of the scenario land use model. The use of scenario land use model is effective to decrease erosion and sedimentation rate. The total sedimentation in the micro catchment area of Air Lanang in existing land use in 2020 was 354949.98 ton year-1 with the highest sedimentation in sub-basin 2 while the lowest sedimentation was found in sub-basin 12. On the other hand, the total sedimentation in the scenario land use model was 137365.04 ton year-1. The reduction of total sedimentation in existing land use in 2020 to the scenario land use model was 36.76 %. 
Aggregate Stability and Soil Moisture Improvement As Affected By Bokashi Application and Soil Tillages for Cabbage (Brassica oleraceae L) Cultivation on Ultisol Desfar Tamara Eka Putra; M. Faiz Barchia; Kanang Setyo Hindarto; Bilman W. Simanihuruk; Herry Gusmara; Widodo Widodo
TERRA : Journal of Land Restoration Vol. 5 No. 2 (2022)
Publisher : Department of Soil Science, Faculty of Agriculture, University of Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/terra.5.2.52-57

Abstract

The aims of this study were 1) to find optimum dose of bokashi applied for cabbage growth based on the improvement of the total soil aggregate stability, soil moisture content, soil pH, 2) to find soil tillage method for optimum growth of cabbage based on the improvement of the total soil aggregate stability, soil moisture content, soil pH, , and (3) to find interaction between dose of bokashi applied and soil tillage method for the optimum growth of cabbage. This research was conducted from March to June, 2020 in Muara Bangkahulu sub-district, Bengkulu City. The research location lies on ± 500 m above sea level with soil type of Ultisol. The research used Split plot design with 3 replications. The main plot was 3 soil tillage methods involved no tillage, minimum tillage (1 time hoe tillage), and intensive tillage (2 time hoe with 1 time rake), and the sub plot consist of 4 doses of bokashi involved 0 ton ha-1, 5 tons ha-1, (2,81 kg plot-1), 10 tons ha-1, (3,75 kg plot-1), and 15 tons ha-1 (5,62 kg plot-1). The research resulted there was interaction between the soil tillage method and the bokashi applied on the improvement on the total soil aggregate stability. An increasing dose of bokashi applied on all soil tillage treatments was followed by the increasing the total soil aggregate stability. Minimum- and intensive soil tillage methods gave better growth of cabbage in form of the plant height and the leaf number than no tillage to the cabbage growth. Bokashi applied with doses of 10 tons ha-1 and 15 tons ha-1 improved soil pH, soil moisture content, and the cabbage growth.
Co-Authors Albert Carles Bambang Gonggo Murcitro Bilman W. Simanihuruk Desfar Tamara Eka Putra Fahrurrozi Fahrurrozi Hasanudin Hasanudin Hermansyah Hermansyah Herry Gusmara Heru Widiyono M. Faiz Barchia Mukhtasar Mukhtasar Nadrawati Nadrawati Nurlina Banjarnahor Prasetyo Prasetyo Priyono Prawito Rina Perwanti Naibaho Situmeang, Chandra Teja Alta Putra Widodo Widodo