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Impact of tractor wheels on physical properties of different soil types and the irrigation efficiency of the furrow irrigation method

Rahim Bux Vistro Mashooque Ali Talpur Irfan Ahmed Shaikh Munir Ahmed Mangrio

Journal of Water and Land Development | 2022 | No 52 | 166-171 | DOI: 10.24425/jwld.2022.140386

Keywords furrow/ridge storage efficiency irrigation method soil physical properties tractor wheel trafficking water use efficiency

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Abstract

In furrow irrigation, the maximum lateral movement of water in ridges is more desirable than the vertical downward movement. This can be achieved by compacting the furrows. Thus, the study examines the impact on furrow soil compaction by tractor wheel trafficking during mechanical operations in the different soil types. In this experiment, the three-wheel tractor compaction includes: 1) control (no soil compaction), 2) compaction through 3-wheel tractor passes, and 3) compaction through 6-wheel passes under three different soil textural classes such as: clay loam, silty clay loam and silty loam soils. The impact of various treatments on clay loam, silty clay loam, and silty loam under 3- and 6-wheel passes showed increased bulk density (7–12%), field capacity (9–19%), ridge storage efficiency (35–38%), water use efficiency (16–20.5%) and decreased soil porosity (7–16%), infiltration (8–20%), and furrow storage efficiency (28–41%) over the control. This study shows comparable results of 6-passes with other studies in which more than 6-passes were used to compact the soil. This study suggested that farmers can maximise water use efficiency by compacting their furrows using 6-passes tractor trafficking.

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Authors and Affiliations

Rahim Bux Vistro

Mashooque Ali Talpur

Irfan Ahmed Shaikh

Munir Ahmed Mangrio

Sindh Agriculture University, Faculty of Agricultural Engineering, Tandojam, Hyderabad, 70060, Sindh, Pakistan

Simulation of the influence of wind power plants on the compartments of the complex landscape system

Mariia Ruda Taras Boyko Oksana Chayka Maryna Mikhalieva Olena Holodovska

Journal of Water and Land Development | 2022 | No 52 | 156-165 | DOI: 10.24425/jwld.2022.140385

Keywords eco-indicators ecological profile environmental impact assessment harmful factor simulation modelling waste management wind power plant wind turbine

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Abstract

The impact of wind power plants on the environmental components is assessed taking into account a number of their parameters, in particular the technical characteristics of wind turbines, the characteristics of networks, engineering and other structures. To do this the life cycle of the wind power plants is described taking into account (by way of inventory) all the necessary materials and resources. Waste management scenarios have been developed, the use of which will make it possible to reduce the harmful impact on the environment. Based on the inventory and input data on the wind farm under study, a diagram is generated – a tree of life cycle processes of the wind power plant – to determine the potential environmental impacts. A list of impact categories that represent the load on the environment caused by the wind power plant is defined; also, the relative contribution of harmful factors is determined for each category, taking into account possible scenarios of waste management. Ecological profiles have been built for all potential impacts on the environment. After normalisation and determination of significance, individual estimates of all indicators and their distribution in three categories of lesions were obtained: human health, ecosystem quality and resources, as well as four stages of the wind farm life cycle: production, dismantling and disposal, operation, transportation and installation. The obtained profiles made it possible to determine individual indicators and eco-indicators, expressed in eco-points that characterise the wind farm under study.

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Authors and Affiliations

Mariia Ruda

e-mail:

ORCID:

Taras Boyko

e-mail:

ORCID:

Oksana Chayka

e-mail:

ORCID:

Maryna Mikhalieva

e-mail:

ORCID:

Olena Holodovska

e-mail:

ORCID:

Lviv Polytechnic National University, 12 Bandera Str., 79000, Lviv, Ukraine
Hetman Petro Sahaidachnyi National Army Academy, Lviv, Ukraine

The analysis of the El Niño phenomenon in the East Nusa Tenggara Province, Indonesia

Mahawan Karuniasa Priyaji Agung Pambudi

Journal of Water and Land Development | 2022 | No 52 | 180-185 | DOI: 10.24425/jwld.2022.140388

Keywords climate communities drought El Niño freshwater rainfall

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Abstract

Climate change causes various events, such as El Niño , and we experience their larger frequency. This study based on a quantitative approach uses observation data from the Umbu Mehang Kunda Meteorological Station and the Ocean Niño Index ( ONI). As a result, East Sumba, which has an arid climate, has more challenges in dealing with drought and water deficits during El Niño. This study identifies rainfall when the El Niño phenomenon takes place in East Sumba through data contributing to the ONI value and dry day series from 1982 to 2019. The analysis was carried out by reviewing these data descriptively and supported by previous literature studies. The research found that there was a decrease in the accumulative total rainfall in El Niño years. The annual rainfall in the last six El Niño events is lower than the annual rainfall in the first six El Niño events. The dry day series is dominated by an extreme drought (>60 days) which generally occurs from July to October. This drought clearly has a major impact on livelihoods and causes difficulties in agriculture as well as access to freshwater. This results in crop failure, food shortages, and decreased income. The phenomenon triggers price inflation in the market and potential increase in poverty, hunger, and pushes the country further away from the first and second Sustainable Development Goals. This phenomenon and problems related to it need to be dealt with by multistakeholders.

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Authors and Affiliations

Mahawan Karuniasa

e-mail:

ORCID:

Priyaji Agung Pambudi

University of Indonesia, School of Environmental Science, Salemba Raya Street No. 4, Central Jakarta, DKI Jakarta, 10430, Indonesia

Prospects for using wastewater from a farm for algae cultivation: The case of Eastern Colombia

Nestor Andres Urbina-Suarez Andres Fernando Barajas-Solano Janet Bibiana Garcia-Martinez German Luciano Lopez-Barrera Angel Dario González-Delgado

Journal of Water and Land Development | 2022 | No 52 | 172-179 | DOI: 10.24425/jwld.2022.140387

Keywords biological treatment characterisation microalgae monitoring nutrient wastewater

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Abstract

In recent years, the technical and economic feasibility of using microalgae and cyanobacteria has been explored for the removal and exploitation of domestic, agricultural and industrial residual effluents with high C, N and P compounds content. To contribute to the understanding of the process and its technical viability for microalgae growth, the article discusses monitoring, flow determination, and physicochemical characteristics of two types of effluents generated in an experimental farm located in the east of Colombia, before (R1) and after biological treatment (R2). In general, the results showed the reduction of different parameters, such as total dissolved solids (TDS), hardness, salinity and phosphates after treatment with activated sludge. However, the conductivity value obtained in R1 and R2 showed the presence of a pollutant load. These findings can be attributed to the highest concentration of fats and oils in the water during early hours of the day. Finally, although the concentration of nitrates increased from 46.63 to 225.21 mg∙dm–3 and phosphate decreased slightly from 9.65 to 6.21 mg∙dm–3, no inhibition was generated in the microalgae, as evidenced in the growth of the microalgal biomass in effluents after nitrate and phosphate removal above 80%.

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Authors and Affiliations

Nestor Andres Urbina-Suarez

e-mail:

ORCID:

Andres Fernando Barajas-Solano

e-mail:

ORCID:

Janet Bibiana Garcia-Martinez

e-mail:

ORCID:

German Luciano Lopez-Barrera

e-mail:

ORCID:

Angel Dario González-Delgado

e-mail:

ORCID:

Universidad Francisco de Paula Santander, Faculty of Agricultural and Environmental Sciences, San José de Cúcuta, Colombia
University of Cartagena, Avenida del Consulado Calle 30 No. 48-152, Cartagena, Bolívar, 130001, Colombia

Geochemical and multivariate statistical study to assess the salinisation origin of the Remila plain groundwater, Khenchela Algeria

Laiche Aouidane Mohamed Belhamra Asma Kheddouma

Journal of Water and Land Development | 2022 | No 52 | 145-155 | DOI: 10.24425/jwld.2022.140384

Keywords groundwater hydrogeochemistry salinity statistics Remila

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Abstract

The aquifer system of the Remila plain (Khenchela, Algeria), covering 250 km2, is one of the semiarid regions where groundwater is heavily exploited for urban supply and irrigation. An integrated hydrochemical and statistical analysis was performed on 70 water samples to identify the main processes and the origin of salinisation of our waters. Chemical analyses indicate salinity values (TDS) ranging from 568 to 1586 mg·dm–3 with an average of 869 mg·dm–3, with sulphate being the dominant ions, especially in the north and northeastern parts of the region. The identified chemical facies are SO4-Cl-Ca in the northeastern part, SO4-Cl-Ca-Mg present in most waters, and HCO3- Ca-Mg in the southeastern part.
We applied the statistical approach to group the waters into three categories using Principal Component Analysis (PCA) and Hierarchical Clustering Analysis (HCA); 1) saline waters (23%) (TDS > 1000 mg·dm–3 and SO42– dominance), 2) moderately saline waters (51%) with HCO3– dominance, 3) moderately saline waters (26%) with a mixed facies. The binary ion diagrams used suggest that the main hydrochemical processes are: evaporites dissolution and/or precipitation, accompanied by an exchange and/or reverse exchange of ions. Additionally, another process was detected in the northeastern part of the area; the saline intrusion of Sabkha waters, favoured by intensive aquifer exploitation.

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Authors and Affiliations

Laiche Aouidane

Mohamed Belhamra

Asma Kheddouma

University of Abbes Laghrour Khenchela, Faculty of Nature and Life Sciences, Department of Agricultural Sciences, Route de Batna; Boîte Postale 1252 Khenchela, 40004 Khenchela, Algeria
University of Mohamed Khider, Department of Agricultural Sciences, Biskra, Algeria
University of Abbes Laghrour Khenchela, Faculty of Nature and Life Sciences, Department of Biology, Algeria

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Impact of tractor wheels on physical properties of different soil types and the irrigation efficiency of the furrow irrigation method

Abstract

Bibliography

Authors and Affiliations

Simulation of the influence of wind power plants on the compartments of the complex landscape system

Abstract

Bibliography

Authors and Affiliations

The analysis of the El Niño phenomenon in the East Nusa Tenggara Province, Indonesia

Abstract

Bibliography

Authors and Affiliations

Prospects for using wastewater from a farm for algae cultivation: The case of Eastern Colombia

Abstract

Authors and Affiliations

Geochemical and multivariate statistical study to assess the salinisation origin of the Remila plain groundwater, Khenchela Algeria

Abstract

Authors and Affiliations