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Journal of Degraded and Mining Lands Management

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Published by Universitas Brawijaya

ISSN : 2339076X EISSN : 25022458 DOI : -

Core Subject : Science, Agriculture,

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

Journal of Degraded and Mining Lands Management is managed by the International Research Centre for the Management of Degraded and Mining Lands (IRC-MEDMIND), research collaboration between Brawijaya University, Mataram University, Massey University, and Institute of Geochemistry, Chinese Academy of Sciences-China Papers dealing with result of original research, and critical reviews on aspects directed to the management of degraded and mining lands covering topography of a landscape, soil and water quality, biogeochemistry, ecosystem structure and function, and environmental, economic, social and health impacts are welcome with no page charge

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Articles 10 Documents

Search results for , issue "Vol 4, No 3 (2017)" : 10 Documents clear

Weed communities on monoculture and intercropping cultivation techniques Eko Widaryanto
Journal of Degraded and Mining Lands Management Vol 4, No 3 (2017)
Publisher : Brawijaya University

Monoculture and intercropping systems are techniques of controlling weeds in technical culture (ecology). Change in cropping system from monoculture to intercropping may affect the growth of weed species which cause different interaction between weed and plant competition. This research aimed to determine the composition of the weed community on the cultivation of monoculture and intercropping systems between maize, peanuts and cowpea. Treatment tested were G0= without crops (weedy), G1 = maize with planting distance of 80 x 25 cm, G2= maize with planting distance of 100 x 25 cm, G3 = maize with planting distance of 80 x 25 cm (+3 row of peanut), G4 = maize with planting distance of 100 x 25 cm (+ 4 row of peanut), G5= maize with planting distance of 80 x 25 cm (+3 row of cowpea), G6 = maize with planting distance of 100 x 25 cm (+ 4 row of cowpea), G7 = peanut with planting distance of 25 x 25 cm, and G8 = cowpea with planting distance of 25 x 25 cm. The results showed that based on Sum Dominance Ratio (SDR) analysis, the weeds in this study consisted of 17 species, i.e. 11 species of broadleaf weeds, 3 species of sedges weeds, and 3 species of grasses weeds. The intercropping system of maize with planting distance of 100 x 25 cm (+ 4 rows of cowpea) gave lower weed communities than the other treatments. Coefficient Community (C) that ranged from 4.54 to14.64 showed differences of weeds and weed communities when the coefficient was under 75% or communities weed species had equality species in the community compared. Shannon-Wienner Index (H') showed the diversity of weed communities the H' value ranged between 1.29 and 2.18. Weed control in intercropping system with cowpea reduced weed dry weight. While intercropping systems of G3, G4, G5 and G6 suppressed weed dry weight by 15.38, 27.69, 55.38, and 53.85% compared with G2, respectively.

Grain sorting effects on geochemical characteristics of sulfide mine tailings: a case study J C Arranz-González; V Cala-Rivero
Journal of Degraded and Mining Lands Management Vol 4, No 3 (2017)
Publisher : Brawijaya University

The geochemical evolution of a sulfide mine tailings impoundment in SW Spain was studied. The impoundment was selected because of its small size and its tailings deposition system with a simple discharge point. The objective of this study was to test the hypothesis that mineral segregation associated to hydraulic sorting has significant effects on the geochemical characteristics and the long term weathering. Tailings samples were collected along depth profiles in three sampling points (proximal, central and distal to the point of discharge), and characterized by color, grain size, pH, acid-base account and chemical elements concentration, with the help of routine XRD analysis. Three vertical zones were identified: an upper oxidized zone, a transition intermediate zone, and an unoxidized zone. The analytical results indicate a segregation pattern in the unoxidized tailings based on differences in size and density of tailings grains. Near the discharge point, tailings were coarser and rich in pyrite, whereas the proportion of silicates increased from proximal to distal points. This results in a clear zoning which has consequences on geochemical and mineralogical evolution under weathering, showing substantial differences in the depth of the oxidation front, the acid generation and neutralization capacity, the formation of Fe secondary phases (jarosite) and the total content of the sulfide-related elements (Fe, As, Zn, Cu, Pb and Cd). The results of the study can serve to improve the theoretical bases for the development of conceptual models for predicting environmental impacts associated with sulfide tailings impoundments. Recently, the impoundment has been covered with a soil cover. This fact offers the possibility of new research on its evolution under new conditions.

The influence of various fertilizing methods on two new superior varieties of rice (Oryza sativa L.) in monsoon agroecosystem of Sulawesi Muh. Afif Juradi; Titik Islami; Setyono Yudo Tyasmoro
Journal of Degraded and Mining Lands Management Vol 4, No 3 (2017)
Publisher : Brawijaya University

A research on the adaptation test of new superior varieties of rice and fertilization methods in monsoon agroecosystem in Sulawesi has been conducted in Baramamase Village, Walenrang subdistrict, Luwu Regency, South Sulawesi from February to, May 2016. The research location is located at an altitude of 13 m above sea level. The research aimed to find out the combination of treatments of new superior varieties of rice and location-specific fertilization methods to be developed. The experiment used completely randomized block design with four repetitions. The treatments use two varieties of rice consist of Ciherang and Inpari 30 each with fertilization methods of PUTS, Katam, Laboratory test and farmer pattern (as a comparison). Research result showed that treatment combination of Ciherang variety + fertilization method (PUTS, KATAM and laboratory test) increased the yield of harvested dry rice grain (PUTS of 171%, KATAM of 108%, and laboratory test 137%) compare to those of farmer pattern of 58%. Treatment of Inpari30 variety + fertilization method using PUTS, KATAM and laboratory test increased harvested dry grain yield of 85%, 72% and 100%, respectively, compare to those of farmer pattern of 46%. Ciherang variety is a superior rice variety and adaptive to specific environment thus it could be developed in the area of Luwu Regency, South Sulawesi.

Socio economic impacts and policy of artisanal small-scale gold mining in relation to sustainable agriculture: a case study at Sekotong of West Lombok S Suhartini; A Abubakar
Journal of Degraded and Mining Lands Management Vol 4, No 3 (2017)
Publisher : Brawijaya University

Artisanal and small scale gold mining (ASGM) activities at Sekotong Sub District, West Lombok District, West Nusa Tenggara which use a traditional system have been operating since 2008. The objectives of this study were to analyze the socio-economic impacts of ASGM, to know the policy on ASGM in West Lombok Regency, and to formulate the policy recommendations of sustainable agricultural management which consider the ASGM activities. This study was conducted at Batu Putih and Pelangan villages of the Sekotong sub District which was chosen purposively. The research method was a case study with survey by interviewing 30 farmers with miners that were selected by a simple random sampling and field observation. A policy study was also used by interviewing key informants from many stakeholders. The results showed that ASGM activities at Sekotong improved the income of farmers/miners and created job opportunities. From the average, the ASGM mining contributed 76.01 % of farmers/miners income, while the farming incomes was 23.99 % of total income. In 2011, West Lombok local government issued a regional regulation through a decree number 1102A/480A/Distamben/2011 about The Determination of the Artisanal Mining Area. But, after the Law of Republic Indonesia Number 23/2014 on Regional Government, the authority to give the artisanal mining permit is the Provincial Government. In terms of economics, the ASGM activities supported the agricultural sustainability. However, the environmental impact of it activities needs to be addressed with technologies which are economically viable and environtmentally sound such as phytoremediation

Effect of land use and organic matter on nitrogen and carbon labile fractions in a Typic Hapludult Andy Wijanarko; Benito Heru Purwanto
Journal of Degraded and Mining Lands Management Vol 4, No 3 (2017)
Publisher : Brawijaya University

A study that was aimed to determine the effect of organic matter from groundnut and maize biomass on the availability of N and C labile fraction was conducted in laboratory and glasshouse, Iletry, Malang. Research used randomized block design with three replications. The first factor was land use : (1). Soil from land cultivated by cassava crops for less than 10 years, and (2). Soil from land cultivated by cassava crops for more than 30 years. The second factor was type of organic matter: (1). Groundnut biomass, (2). Maize biomass, (3). Groundnut-maize biomass, with a ratio of 1:1, (4). Groundnut – maize biomass, with a ratio of 2:1, (5). Groundnut – maize biomass, with a ratio of 1:2, and (6). Without organic matter. The results showed that application of groundnut and maize biomass were affect the N and C labile fraction. Application of groundnut + maize biomass increases N and C labile fraction more 40% than without biomass as well as the landuse of planted with cassava less than 10 years was 20 % higher N and C labile fractions than the land that has been planted with cassava more than 30 years. This research showed that analysis of N or C labile fraction is more sensitif than analysis of N total or C organic. It indicates that analysis of labile fractions can be used to analyze of N and C availability in the soil, beside of N total and C organic analysis

Revegetating Bagacay Mining Site: A review of potential tropical species for phytoremediation of non-essential heavy metals John Rhey Ymas Dayang
Journal of Degraded and Mining Lands Management Vol 4, No 3 (2017)
Publisher : Brawijaya University

Post-mining activities in Samar left serious environmental issues. Albeit it is used to provide prosperity to its constituents, mining in the area brought with it negative impacts. Bagacay Mine, an abandoned mining area in the province was left with enourmous amount of heavy metals. This include As (6-693 ppm), Cu (9-5,279), Pb (22-354 ppm), Hg (1-5 ppm), Zn (<1-7,138 ppm) and Fe (5,900-373,500 ppm). The area was then reforested with Swietenia macrophylla, Leucaena leucocephala, Acacia mangium, Bambusa blumeana and Thysanolaena maxima but only 1 percent survived. This paper touches the nature and effects of the non-essential heavy metals and metalloids present in the area as well as the mechanism of phytoextraction. Additionally, tropical metallophytes which can be used for phytoremediation activities in the future were introduced and reviewed.

The potential of wild vegetation species of Eleusine indica L., and Sonchus arvensis L. for phytoremediation of Cd-contaminated soil Amir Hamzah; Ricky Indri Hapsari; Rossyda Priyadarshini
Journal of Degraded and Mining Lands Management Vol 4, No 3 (2017)
Publisher : Brawijaya University

Phytoremediation has been intensively studied due its costs effectiveness and environmentally sound. Studies of heavy metal pollution phytoremediation has been done in develop countries, but still limited in Indonesia. This study aims to explore the potential of wild plant species Eleusine indica L. and Sonchus arvensis L. as an agent of phytoremediation on Cd-contaminated soil. This study was done descriptively in Pujon, Malang, Indonesia, to test the ability of two species of wild plants E. indica and S. arvensis in absorbing Cd. Along this research, plant growth and the concentration of Cd in roots, stems and leaves, was monitored. Plant growth was measured every week for three months. The plant roots, stems, and leaves collected separately, then analyzed its Cd levels. The results showed that both of two species of wild plants grew well on soil contaminated Cd. Plant roots can accumulate higher Cd than the stem part. In addition, E indica has the ability to accumulate Cd higher than S. arvensis, i.e. 57.11% and 35.84%, respectively

Quality assessment of mangrove growing environment in Pasuruan of East Java Edyson Indawan; Ricky Indri Hapsari; Kgs Ahmadi; Dian Noorvy Khaerudin
Journal of Degraded and Mining Lands Management Vol 4, No 3 (2017)
Publisher : Brawijaya University

The occurrence of pollution in mangrove land is due to changes in physical, chemical and biological properties of water because of the increasing human activities that produce problems due to residential and industrial wastes and other related activities, or due to seawater tide. The existence and presence of residential and industrial wastes in soil sediments can disturb the environment that in turn will threaten mangroves growth. This study was aimed to reveal the presence of heavy metals in sediment shown by environmental changes of water polluted by residential and industrial wastes. The study was conducted in field plots located at five watershed areas of Andil, Porangan, Kacar, Gombal and Krondo in Tambak Lekok Village of Pasuruan District, East Java. Field exploration and observation was started from waterfront and riverside vegetations. The exploration was made 300 m toward inland, perpendicular to the edge of the waters. The sediment samples of mangrove stands were collected at three points for each plot. The thickness of the collected sediment samples was ± 10 cm from the surface. Sediment samples were analyzed for heavy metals (Pb, Cr, Zn and Cu) and texture. The results showed that the Pb severely polluted the Gombal watershed with a concentration of 7.24mg/kg. The lowest Pb concentration of 7.24 mg/kg was observed for Andil watershed. Except for Andil watershed, Cu heavily polluted all the watersheds studied

Bioactive compound from mangoes leaves extract as potential soil bioherbicide to control amaranth weed (Amaranthus spinosus Linn.) Rifauldin Syahri; Eko Widaryanto; Karuniawan Puji Wicaksono
Journal of Degraded and Mining Lands Management Vol 4, No 3 (2017)
Publisher : Brawijaya University

Bioherbicide is important approach for sustainable farming practices. One of plant that has potentially as bioherbicide, which is environmentally safe, is mango. Mango leaf extract is useful as bioherbicide because it produces allelochemical compounds, which could inhibit the weed growth. This research was designed to study the effect of several mangoes species leaves extract to control dominant weed (amaranth). Split plot design was implemented using mango species (S) as the main plot; S1 (Mangifera odorata Griff.), S2 (Mangifera foetida Lour) and S3 (Mangifera indica L.). While the sub plots were concentrations of mango’s leaf extract (K), that included 0, 500, 1000, 1500, and 2000 ppm. Results of the research showed that all parameters of weed growth (amaranth) were inhibited along with the increase of concentration of the mango’s leaf extract. The results also showed the significant inhibition of amaranth’s dry weight. Among three species of mangoes, M. indica L. showed the best inhibition mechanism to the amaranth weed, which significantly suppressed the weed growth on just 1000 ppm concentration.

Isolation of Indigenous Bacteria of Phosphate Solubilizing from Green Bean Rhizospheres N Arfarita; M W Lestari; I Murwani; T Higuchi
Journal of Degraded and Mining Lands Management Vol 4, No 3 (2017)
Publisher : Brawijaya University

The use of phosphate-solubilizing bacteria (PSB) as a biological fertilizer of Agricultural land is one solution to overcome problem of phosphate availability for plants. However, often application of a biological fertilizer is ineffective for certain places. The purpose of this study was to obtain indigenous phosphate solubilizing bacterial isolates that can be effective in the area of Malang. Samples were collected from rhizosphereof green bean plants at three locations in Malang, East Java. The study was conducted to determine the total bacterial population of soil samples, to select the best three bacterial isolates in phosphate solubilizing ability, which is not antagonistic and nonpathogenic for plants,along with observing its potential as a bacterial consortium. The highest total population was found in FHR samples of 1.5x1011 CFU / mL. We have selected three bacterial isolates namely SPP1, SPP2 and SPP3. They were not antagonistic to each other and nonpathogenic on mungbean sprouts. They had possibility of producing growth hormone which characterized by an increasing in length of plant and total root length, be compared to controls. Strain SPP2 has shown the highest activity of phosphate solubilization then was selected for 16S rRNA identification. Similarity test of genome sequence of strain SPP2 had 99% similarity with Pseudomonas plecoglossicida strain PR19

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Eko Handayanto

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Kota malang,

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