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Bambang Gonggo Murcitro
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Department of Soil Science, Faculty of Agriculture, University of Bengkulu, WR Supratman St. Kandang Limun, Bengkulu 38371 INDONESIA
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TERRA : Journal of Land Restoration
Published by Universitas Bengkulu
ISSN : -     EISSN : 26210207     DOI : https://doi.org/10.31186/
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
TERRA is a scientific journal that publishes research results related to resource issues and agricultural productivity widely, soil science, plant science, and forest science for land restoration.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Tanah
Articles 80 Documents
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Cucumber (Cucumis sativus L.) Growth and Yield as Respons by Dolomite and Potassium Application on Peat Soil Padang, Agri Andi Saputra; Herawati, Reny; Barchia, M. Faiz; Widiyono, Heru; Simanihuruk, Bilman W.
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.6.1.12-18

Abstract

This study aimed to determine the appropriate dose of dolomite, dose of K fertilizer, and the interaction of the treatments on the growth and yield of cucumber on peat soil soil. This research was conducted in Medan Baru, Muara Bangka Hulu Sub-district, Bengkulu City at an altitude of ± 10 meters above sea levelfrom September to December 2021. The experiment method used was a factorial Randomized Complete Block Design (RCBD) consisting of two factors; first, dose of dolomite with 3 levels consisting of 0.00 tons ha-1, 1.25 tons ha-1, and 2.5 tons ha-1 Dolomite, and the second, dose of potassium fertilizer consisting of 4 levels; 0 kg ha-1, 200 kg ha-1, 400 kg ha-1, and 600 kg ha-1 with 3 replications. Each unit of the experiment pot was planted with 3 plants therefore whole samples were obtained 108 experimental plant units (polybags). Cucumber growth and yield significantly responded to the dolomite and potassium application. The interaction between the dolomite and the potassium applied significantly to the cucumber planted shown by plant length, the diameter, and length of the fruit.  
Growth and Yield Responses of Three Soybean (Glycine max L.) Varieties to Different Dolomite Dosages on Saturated Soil Culture Asmara, Bima; Pujiwati, Hesti; Widodo, Widodo; Anggraini, Septiana; Anandyawati, Anandyawati
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.6.1.19-26

Abstract

The need for soybean commodities is increasing in line with increasing changes in population and public awareness of the importance of food nutrition. One of the efforts to increase soybean production is to improve crop cultivation by selecting superior varieties. The purpose of this study was to obtain soybean varieties that had the best growth response and yields by adding dolomite to a saturated soil culture (SSC). This research was carried out from November 2020 to February 2021 in the experimental land of the Department of Agricultural Cultivation, Faculty of Agriculture, University of Bengkulu. The design used was a randomized completely block design (RCBD) factorial pattern consisting of two factors. The first factor was the dolomite dose which consisted of 4 levels, namely 0 x Al-dd, 0.5 x Al-dd, 1 x Al-dd, and 1.5 x Al-dd. The second factor was soybean varieties consisting of Gepak Kuning, Dering 1, and Derap 1 varieties. The results showed that Gepak Kuning produced the best growth response and yield by adding dolomite to SSC.  
Soil Moisture Differences Between Continues Measurements of Three Crop Managements Putri, Elsa Lolita; Hermawan, Bandi; Agustian, Indra; Hasanudin
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.6.1.33-39

Abstract

Soil moisture prediction models on a regional scale can be developed by looking for the relationship between water balance and basic soil properties such as texture and organic matter.  Our previous research has obtained soil dielectric properties measurement technology as an estimator of soil moisture that can be done quickly in the field. The purpose of this study was to apply this technology in estimating the characteristics of soil moisture insitu in the field on a district scale in Bengkulu Province.  The research was conducted for three years in three different districts in Bengkulu Province. The results of the third year to early October 2021 study showed that land under thicket stands and oil palm had higher weekly groundwater fluctuations than under rubber. The highest impedace of groundwater below the thickets and palms are present at depths of 0-20 cm and 0-10 cm, respectively.  However thickets have fluctuations in the depth of total groundwater (0-30 cm depth) that are higher than those of oil palms during three months of measurement.  In contrast, the soil moisture content profile under the rubber stand is relatively more stable against the influence of weekly rainfall during the measurement. An analysis of the relationship between non-free variables (field capacity moisture content, permanent wilting point and water available) and free variables (sand, dust, clay and C-organic) will be carried out in November 2021  
The Effects of Vermicompost on Carbon and Nitrogen Availability, C/N ratio and Corn Production Planted in Entisol Coastal Areas Rezeki, Eksa Tri; Bertham, Yudhy Harini; Hasanudin, Hasanudin; Riwandi; Utami, Kartika
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.6.1.27-32

Abstract

Entisols are soils that are widely used in Indonesia, both for irrigated and rainfed rice fields, for vegetable cultivation, and others. Vermicompost also contains many of the nutrients available to plants and increases soil porosity, soil aeration, and humidity, and controls soil erosion so that it can help in buffering toxins for plants and promoting plant growth. Corn is a cereal crop that is the second most important food crop in Indonesia besides rice. The volume of corn imports is higher than exports, this is due to the high demand for corn but domestic corn production has not been able to fulfill it. The experimental design used was a Randomized Completely Block Design (RCBD), seven levels of vermicompost doses, namely 0; 2.5; 5.0; 7.5; 10; 12.5; and 15 tons ha-1) each repeated 4 times. This study aims to determine the dose of vermicompost fertilizer that can improve the properties of Entisols and yields of maize (Zea mays L.). The application of vermicompost fertilizer with seven dose levels had a significant effect on N nutrient levels in coastal Entisols. Doses of vermicompost were able to increase dry stover weight, cob weight with husk, and cob weight without husk of corn plants.
Effect of Slope and Distance from Oil Palm Stands on Soil Water Content Siringoringo, Naomi Yulia; Gusmara, Herry; Prawito, Priyono; Prasetyo, Prasetyo; Utami, Kartika
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.6.1.40-45

Abstract

This study aims to study the effect of land slope and distance from the main crops on soil water content at the end of the rainy season. The research location is located at position 3°41'51.8"S - 102°18'58.0"East in Talang Tengah I Village, Pondok Kubang District, Central Bengkulu. The research was conducted in February - April 2021. Soil analysis was done at the Soil Laboratory, University of Bengkulu. The study used a completely randomized block design with two factors. The first factor is the slope of 0-3% and 30%. The second factor is the distance of the cutting slope from the main oil palm tree, namely 1.5; 2.0; 2.5; 3.0; 3.5; and 4.0 m. Data were analyzed using ANAVA and LSD at 5% level. The results showed that the slope of the land and the distance between the slopes had a significant effect on the soil water content. The soil water content in both gravimetric and volumetric methods on slopes of 0-3% is higher than on slopes > 30%. The water content at a distance of 1.5 to 3 m from the tree of oil palm is lower than at a distance of 3.5 – 4.0 m.  
Effect of Vermicompost Chicken, Goat and Cow Manure on Growth Response and Yield of Brassica juncea L. on Ultisols Anandyawati, Anandyawati; Murcitro, Bambang Gonggo; Herman, Welly; Prameswari, Wuri
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.6.1.46-50

Abstract

Improvement of Ultisol soil chemical properties can be done by adding organic matter. In this study, vermicompost was used from various animal wastes (chickens, goats and cows), and the optimal growth parameters and nutrient uptake were observed. Research results showed The chicken manure vermicompost had the maximum available P, the goat manure vermicompost had the highest available K, and cow manure vermicompost had the highest total N value. In terms of pH, goat manure vermicompost had the highest pH and the chicken manure vermicompost had the most excellent C/N ratio. Analysis of variance (Anova) showed that the type and dosage of vermicompost had a significant effect on growth parameters (plant height, number of leaves and stem width) and nutrient uptake of N, P and K
The Effect of Eco Enzyme from Pineapple (Ananas comosus) Peel Waste on Soil pH, P Availability, Growth and Yield of Shallots (Allium cepa) in Ultisols Tampubolon, Nadya Angelina; Muktamar, Zainal; Barchia, M. Faiz
TERRA : Journal of Land Restoration Vol. 6 No. 2 (2023)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/terra.6.2.51-56

Abstract

Ultisols have a main problem of high soil acidity, low organic matter, low macronutrients, and very low P availability which can affect plant growth and yield. This research aims to determine the dynamics of soil pH, and P availability and determine the concentration of pineapple peel-based eco enzyme that produces the highest shallots. This research was carried out using a Completely Randomized Design (CRD) with treatment concentrations of eco enzyme 20% (200 mL eco enzyme and 800 mL water), 40% (400 mL eco enzyme and 600 mL water), 60% (600 mL eco enzyme and 400 mL water), 80% (800 mL eco enzyme and 200 mL water), 100% (100% eco enzyme), without treatment/control, and NPK fertilizer treatment. The results showed that the application of eco enzyme at a concentration of 60% was a sufficient concentration to improve soil characteristics and shallot yield as indicated by soil pH of 6.58, soil P of 6.75 ppm, number of bulbs 3.21 and weight of bulbs 4.69 g, as well as the application of 100% eco enzyme to provide soil organic C amounted to 3.76% which was higher than other treatments.
Growth and Yield of Corn Plants Against Vermicompost Dosage in Degraded Ultisols Zikri, Ahmad; Widodo; Utami, Kartika; Anggraini, Septiana; Suprijono, Eko
TERRA : Journal of Land Restoration Vol. 6 No. 2 (2023)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/terra.6.2.57-64

Abstract

Ultisols has prominent weaknesses and problems such as high acidity levels, low water absorption capacity, and low nutrient content such as N, P, K, Ca, and Mg, so it has the potential to inhibit plant growth. One way to overcome Ultisols soil problems is to use vermicompost fertilizer. Corn is one of the plants that is suitable for cultivation using vermicompost fertilizer. The research aims to obtain the best dose of vermicompost for corn growth and yield in degraded Ultisol soil. The research was conducted in Sri Kuncoro Village, Pondok Kelapa District, Central Bengkulu Regency, Bengkulu Province. The design used a single-factor Complete Randomized Block Design (RCBD) consisting of 5 treatment levels and five replications to obtain 25 experimental plots of 0, 7.5, 15, 22.5, and 30 tons ha-1. Data were analyzed using Analysis of Variance (ANOVA) at a 5% level and continued with the Least Significant Difference (LSD) test at a 5% level. The research results showed that the dose of vermicompost significantly affected the variables of plant height, number of leaves, number of leaves, and plant dry weight. The best vermicompost treatment dose was 22.5 tons ha-1 with plant height 254.85 cm, number of leaves 13.26, stem diameter 24.90 mm, leaf area 811.49 cm2 , cob length with husk 24, 93 cm, cob length without husk 17.26 cm, cob weight with husk 218.19 g, cob weight without husk 194.26 g, dry seed weight of plant samples 153.33 g and Dry seed weight per ha 9.1 tons.
Mapping the Distribution of Water Retention and Other Physical Properties of Soil on Intensive Agriculture Land in the Village Sumber Urip, Selupu Rejang District, Rejang Lebong Regency Permata, Nathasya Vira; Hermawan, Bandi; Gusmara, Herry
TERRA : Journal of Land Restoration Vol. 6 No. 2 (2023)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/terra.6.2.65-72

Abstract

This research aims to map water availability on intensively cultivated agricultural land so that the land management method will be carried out appropriately. The method used to determine the sample points was the stratified sampling method, and 31 soil sample points were obtained. Soil samples are analyzed for their physical properties, which include soil texture, total pore space, bulk density, permeability, potential of free energy, and water content. The analysis results are presented as an overlay map of the measured variables. The research results show that agricultural land on a slope of 0-15% with a total area of 233 ha has good soil water retention in terms of the physical properties of the soil, so there is no need to improve soil management. Agricultural land on a slope of 15-25% with an area of 79 ha requires additional treatment to increase water retention by adding soil amendments to increase total soil pore space. Agricultural land on a slope of 25-45% with an area of 124 ha has excellent soil water retention supported by soil conservation practices in making terraces and installing plastic mulch. Meanwhile, agricultural land on a slope of >45% with an area of 33 ha has poor soil water retention, so soil conservation practices are needed.
Enhancing Entisols Physical Properties and Sweet Corn Agronomic Performances with Liquid Organic Fertilizer and Cow Manure Dwipa, Eliza Rahma; Hasanudin; Widiyono, Heru; Murcitro, Bambang Gonggo; Masdar
TERRA : Journal of Land Restoration Vol. 6 No. 2 (2023)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/terra.6.2.73-80

Abstract

Entisols, comprising approximately 10.6% of Indonesia's land area, are youthful soils distinguished by sandy texture, loose structure, ample aeration porosity, rapid permeability, low water retention, and diminished organic matter. This study determines the optimal dosages of liquid organic fertilizer and cow manure capable of enhancing the physical attributes of Entisols and the growth and yield of sweet corn plants. Employing a Randomized Complete Block Design (RCBD) with two factors, the research evaluates three doses of cow manure (0 tons ha-1, 5 tons ha-1, and 10 tons ha-1) and four concentrations of liquid organic fertilizer (0 mL L-1, 100 mL L-1, 200 mL L-1, and 300 mL L-1). The findings reveal that liquid organic fertilizer significantly influenced soil wet weight and pF pressure at 0.1 atm (12.68 g-1). Application of cow manure demonstrates tangible improvements in Entisols properties, with water content at 12.15%, bulk density at 0.73 g m-3, permeability at 90.57 cm hour-1, and soil wet weight and pF pressure at 0.1 atm (15.10 g). Furthermore, liquid organic fertilizer contributes to a plant height of 176.82 cm and husk cob weight of 8,545 kg ha-1, while cow manure results in a plant height of 174.05 cm and husk cob weight of 8.044 kg ha-1. The optimal combination emerged with a 300 mL L-1 concentration of liquid organic fertilizer or a 10 tons ha-1 dose of cow manure,  showcasing superior enhancements in Entisols' physical properties, as well as sweet corn plant growth and yield.

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