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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

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 %.

Irrigation Water Supply Patterns in Several Land Uses with Automated Application of Soil Moisture Monitoring Based on Dielectric Technology Nur Fitriani; Bandi Hermawan; Elsa Lolita Putri; Hasanudin Hasanudin; Hata Dahlan
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.5.1.21-26

Indonesia is necessary to develop an increase in soil productivity. The decline in soil productivity for agriculture can be caused by several factors, namely land conversion to a decrease in groundwater quantity. The actual pattern of providing irrigation water with the application of dielectric sensor technology is carried out in soil cultivation to create efficiency in providing irrigation water. This research was conducted using a single factor experimental method with repeated measurements on three types of land use, such as land without vegetation, soil with tomato cultivation, and soil with grass. Measurements were carried out using an automated application of soil moisture monitoring based on dielectric technology with two measuring periods. Each measuring period consists of two weeks or fourteen days. Soil sample analysis was carried out at the Bengkulu University soil laboratory. The results of the observations were analyzed using variance (ANOVA) on the 5% F test table, the LSD test was carried out at the 5% level on data that had a significant effect. The results showed that the daily irrigation water for vegetated land was lower than for tomato cultivation and without vegetation in each measurement period. The frequency of irrigation water application in the two observation periods also showed that the land without vegetation had a higher amount and frequency of water application compared to the other two types of land use.

Application of Macro and Micro Fertilizers on Upland Rice Crops Inoculation of Biofertilizers in Bengkulu Coastal Land A. Lestari; Riwandi Amir; Yudhy Harini Bertham
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.5.1.8-14

Coastal land located in the lowlands near the coast has a marginal Entisol soil type. Entisols have the following characteristics: loose soil aggregate, sensitive to erosion, and low levels of nutrients, organic matter, water holding capacity, and soil fertility. The nature of this Entisol is less able to produce maximum upland rice production. The technology used to overcome this problem is by applying macro and micro fertilizers to the soil, which is planted with upland rice seeds, inoculated with biological fertilizers so that it is hoped that upland rice production can be maximized. The purpose of this study was to obtain high upland rice production in coastal areas. The research was carried out from June to December 2020 in Beringin Raya Village, Muara Bangkahulu District, Bengkulu City. The research location is located at coordinates S 03?45'23'' E 102?15'41''. The experimental design used was Completely Randomized Block Design (CRBD) with 2 factors, namely types of fertilizers and varieties of upland rice. The first factor consists of P0 = No fertilizer; P1 = compound micro fertilizer; P2 = Fertilizer recommended for upland rice from the Institute for Agricultural Research and Technology). The second factor consists of V1 = red upland rice; V2 = white upland rice) The results showed that there was an interaction between the type of fertilizer and upland rice varieties on soil pH (KCl 1:2.5 w/v). the interaction of microfertilizers with white upland rice varieties resulted in the highest soil pH (5.06). The best type of fertilizer is micro-compound fertilizer which produces soil pH (KCl 1:2.5 w/v), P nutrient uptake, the highest root colonization and the highest number of production tillers and the highest grain weight per plant and upland rice yield per plot. The best upland rice variety was the white variety which produced the highest uptake of P nutrients, the number of productive tillers, the weight of grain per plant and the highest yield per plot.

Effect of Humic Acid on Nutrient Availability and Yield of Upland Rice Inoculated with Biofertilizers in the Coastal Area Tika Indriani; Yudhy Harini Bertham; Hasanudin Hasanudin; Prasetyo Prasetyo; Bilman Wilman Simanihuruk
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.5.1.15-20

This study aims to determine the effect of humic acid on nutrient availability and upland rice production in coastal land. The research was carried out in June - November 2020 in the Beringin Raya Village, Muara Bangkahulu District, Bengkulu City. This study used a completely randomized block design with 2 factors. The first factor was the local Bengkulu upland rice variety, namely the Red upland rice variety and the White upland rice variety, while the second factor was the type of fertilizer, namely control (basic fertilizer only), humic acid, and fertilizer recommended for upland rice from BPTP (200 kg Urea ha-1, 100 kg SP36 ha-1, 100 kg KCl ha-1). The results showed that the administration of humic acid in both the White and Red varieties resulted in the best KCl pH. And if you look at the yield per plot, the upland rice of the Red variety is better when given humic acid, which has an increase of 7.4% g/plot, while the White variety has better results when given the recommended inorganic fertilizer, which is an increase of 12% g/plot. The Red variety had a higher soil pH, but had a number of pithy grains per panicle, and a lower grain content percentage than the White variety. The application of humic acid resulted in better KCl, CEC, and N-total pH, but had plant height, number of pithy grains per panicle, and yields per plot that were almost the same as recommended inorganic fertilizers.

The Effect of Humic Acid and Micro Compound Fertilizer on Soil Microorganism Population and Upland Rice Yield in Coastal Land Nova Angelina Sibagariang; Yudhi Harini Bertham; Heru Widiyono; Anandyawati; Kartika Utami
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.5.2.58-64

This study aims to determine the effect of humic acid and micro compound fertilizer on soil microbial populations and yields of Inpago10 varieties of upland rice in coastal areas. This research was conducted from August to December 2021 in Beringin Jaya village, Muara Bangkahulu District, and analysis of soil and plant samples at the Soil Science Laboratory, Faculty of Agriculture, University of Bengkulu. This study was prepared using a randomized complete block design (RCBD) with 2 factors.The first factor is the dose of humic acid which consists of 3 levels, namely 0 L ha-1 , 8 L ha-1, and 16 L ha-1. The second factor is a compound micro fertilizer consisting of 2 levels, namely 0 g ha-1 and 70 g ha-1. Each treatment was repeated 4 times, resulting in 24 experimental units. Observation variables include C-organic (%), respiration, total microbial population, pH KCl, pH H2O, plant height (cm), the number of grains per panicle, plant dry weight (g), root dry weight (g), and weight per plot (g plot-1). The Data were analyzed using variance analysis and extended with DMRT at the level of 5%. The results showed that the application of humic acid was able to stimulate the population of soil microorganisms by 38.91% and the addition of micro compound fertilizer was able to increase the yield of weight per plot by 26.69%.

Weed flora of Sugarcane (Saccharum officinarum L.) Crop Cultivated on High Fertile Soil of District Charsadda-Pakistan Rahmdad Khan; Abuzar Shoukat; Abbas Khan; Muhammad Shabir Akbar; Muhammad Haris
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.5.2.65-70

Sugarcane is the major crop of district Charsadda-Pakistan and weeds infestation is the most problematic factor responsible for low yield in sugarcane. For the purpose a field experiment was conducted to find out the important and most problematic weeds of Sugarcane crop using quadrate method in different sugarcane fields at DistrictCharsadda, Khyber Pakhtunkhwa, Pakistan. The data was collected during summer season,2021. Based on spatial data it is concluded that Cyperus rotundus L., Parthenium hysterophorus L., Trianthema portulacastrum L., Euphorbia helioscopia L., Convolvulus arvensis L., Brachianreptans (L.)., Amaranthus viridusL., Physalis minima L., Dactydocteniumaegyptium(L)., Amaranthus spinosusL., Portulaca oleracea L.,CynodondactylonL. and Solanum nigrum L., were the most abundant weeds of the studied fields. The relative weed densities (%) and relative frequencies (%) of all these weeds were calculated to quantify their importance values in descending order of their percentages as following: P.hysterophorus, T.portulacasrum, C.rotundus, E. helioscopia. C. arvensis, B.reptans, A.viridus, and S. nigrum. Similarly, the highest (35.1%) importance value recorded for C. rotundus and declared the most competitive weed of sugarcane at district Charsadda. The control of C. rotundus recommended for the farmers of the area for the outmost yield of sugarcane.

Changes in Soil Physical Quality of Post-Coal Mining After Revegetation of Eucalyptus Plants (Melaleuca cajuputi) Evira Khairunisa Putri; Bambang Sulistyo; Bandi Hermawan; Vinni Lovita; Esi Asyani Listyowati
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.5.2.38-44

Coal mining in Indonesia is generally carried out by open-pit mines so which impacts the decline of environmental quality degradation and damage to the soil’s physical properties. One of the steps taken by PT Bukit Asam Tbk to solve this problem is to carry out land reclamation by using eucalyptus plants. This study aims to of the revegetation age of eucalyptus plants on changes in the soil’s physical properties of post-coal mines. This research was carried out from October to December 2021 on post-coal mining land after the revegetation of eucalyptus plants for 3 years, 5 years, and 10 years in Pit Banko Barat, PT Bukit Asam Tbk. At the research location measurements and sampling were taken and followed by analysis at the Soil Science Laboratory, Bengkulu University. The data obtained were analyzed by descriptive statistics and normality test then continued analysis of variance and BNT test. The results showed that the age of eucalyptus plants has a significant effect and can improve soil density and root penetration at the age 5 and 10 years in post-coal mining land. The soil’s physical quality showed that soil bulk density, particle density, liquid limit, root penetration, groundwater level, as well as increased porosity and C-organic. It has the same texture that is clay and some changes in the blocky structure to be granular.

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

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.

Aggregate Stability and Soil Moisture Improvements Influenced by Chicken Manure Applied on Ultisol and Cabbage (Brassica oleraceae L.) Growth Candra Ardian; Bambang Gonggo Murcitro; Marwanto Marwanto; Hesti Pujiwati; Prasetyo Prasetyo
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.5.2.45-51

Cultivation problems on marginal Ultisol involved low soil organic matter content, low water holding capacity and low soil aggregate stability. These constraints determined cabbage growth because of root crop development limited and plant nutrient uptake inhibited. Application of chicken manure could overcome the marginal constraints through improving soil aggregate stability and soil moisture content on the marginal Ultisol as well as the cabbage growth increased. The purpose of this study was to evaluate the soil aggregate stability and soil moisture in Ultisol as affected by the chicken manure applied and the cabbage growth improvement. This study was conducted from December to February, 2021 at Agriculture Station, Faculty of Agriculture, University of Bengkulu lying on ±100 m above sea level. The experiment design used was Completely Random Block Design (CRBD) with the chicken manure applied involved 5 doses; 7.5 tons ha-1, 15 tons ha-1, 22,5 tons ha-1, 30 tons ha-1, and without the manure as a control treatment. From the variance analysis (ANAVA) in the level of 5%, the chicken manure applied was significantly influence the improvement of soil aggregate stability and soil moisture content as well as the cabbage growth. With Duncan Multiple Range Test (DMRT), the dose of 7.5 tons ha-1 gave the highest value of the soil aggregate and soil moisture improvement. Furthermore, the chicken manure application of 7.5 tons ha-1 improved significantly the cabbage stem diameter at the age of 15 days, 30 days, and 45 DAP. The 7.5 tons ha-1 manure applied also gave significantly a number of leaves at the age of 15 days and 30 DAP. The height of plant was significantly influenced when the cabbage growth 15 DAP with 15 tons ha-1. In short, the chicken manure applied with 7.5 tons ha-1 gave the soil aggregate stability, the soil moisture, and cabbage growth improvement.

Socio-economic Characteristics and Their Effect on Smallholder Farmers’ Decisions to Participate in a Communal Land Restoration Project in Central Ethiopia Hinde, Omer; Beyera, Gizachew; Hailu, Hiwot; Limenih , Beliyu; N. Ayana , Alemayehu
TERRA : Journal of Land Restoration Vol. 6 No. 1 (2023)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/terra.6.1.1-11

Communal land restoration programs in Ethiopia overlooked the socio-economic context and decision behavior of smallholder farmers for better planning and intervention. Thus, studies related to socio-economic aspects and decision behaviors of smallholder farmers prior to the implementation of communal degraded land restoration are scanty. This study assessed the socio-economic characteristics and decisions making of smallholder farmers in degraded communal land restoration. The kebele under study was purposively selected near the communal degraded land for future intervention. Cross-sectional data were collected from 94 smallholder farmers selected using a systematic random sampling method. Binary logit was employed to see determinants of farmers’ decision to participate in the rehabilitation of communal degraded land. The study result revealed that attitude towards village leaders and labor availability positively determines farmers’ decision, while credit to access and absence of local institutions negatively influence the willingness of farmers to participate in communal land restoration. It seems that the socio-economic base of smallholder farmers did not have a strong linkage for their decision in the land restoration effort. The findings generally suggest that there should be locally based capacity building of the community in a participatory approach for land restoration efforts.

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Contact Name
Bambang Gonggo Murcitro

Contact Email
bgonggo@unib.ac.id

Phone
+6285383468222

Journal Mail Official
terra.fp@unib.ac.id

Editorial Address
Department of Soil Science, Faculty of Agriculture, University of Bengkulu, WR Supratman St. Kandang Limun, Bengkulu 38371 INDONESIA

Location
Kota bengkulu,

Bengkulu

INDONESIA

Abstract

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Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name Bambang Gonggo Murcitro

Contact Email bgonggo@unib.ac.id

Phone +6285383468222

Journal Mail Official terra.fp@unib.ac.id

Editorial Address Department of Soil Science, Faculty of Agriculture, University of Bengkulu, WR Supratman St. Kandang Limun, Bengkulu 38371 INDONESIA

Location Kota bengkulu, Bengkulu INDONESIA

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Contact Name
Bambang Gonggo Murcitro

Contact Email
bgonggo@unib.ac.id

Phone
+6285383468222

Journal Mail Official
terra.fp@unib.ac.id

Editorial Address
Department of Soil Science, Faculty of Agriculture, University of Bengkulu, WR Supratman St. Kandang Limun, Bengkulu 38371 INDONESIA

Location
Kota bengkulu,

Bengkulu

INDONESIA