scholarly journals UTILIZAÇÃO DE ÁGUA RESIDUÁRIA DE SUINOCULTURA EM PROPRIEDADE AGRÍCOLA – ESTUDO DE CASO

Irriga ◽  
2008 ◽  
Vol 13 (1) ◽  
pp. 139-144 ◽  
Author(s):  
Tatiane Cristina Dal Bosco ◽  
Silvio César Sampaio ◽  
Caroline Iost ◽  
Lucimar Novaes da Silva ◽  
Cristiany Fosquiani Carnelossi ◽  
...  

UTILIZAÇÃO DE ÁGUA RESIDUÁRIA DE SUINOCULTURA EM PROPRIEDADE AGRÍCOLA – ESTUDO DE CASO  Tatiane Cristina Dal Bosco; Silvio César Sampaio; Caroline Iost; Lucimar Novaes da Silva; Cristiany Fosquiani Carnellosi; Douglas César Ebert; Jackson Spohr SchreinerDepartamento Engenharia Agrícola, Universidade Estadual do Oeste do Paraná, Cascavel, PR, [email protected]  1  RESUMO O objetivo deste trabalho foi verificar as alterações químicas de um solo agrícola na região oeste do Paraná, decorrentes da aplicação por 8 anos consecutivos de uma água residuária da suinocultura (ARS). Para tanto, uma área próxima, com características de solo e manejo agrícola semelhantes, foi utilizada como testemunha. Determinaram-se os parâmetros físico-químicos da ARS e também de ambos os solos em duas profundidades (0-30 e 30-60 cm). Os resultados mostraram que, de modo geral, a aplicação de ARS por 8 anos consecutivos no solo apresentou um aumento relevante nos seguintes parâmetros químicos: Cálcio, Magnésio, Sódio, Nitrogênio, Fósforo, Potássio e Matéria Orgânica, principalmente na camada 0-30 cm. UNITERMOS: reuso de água, dejetos da suinocultura.  DAL BOSCO, T. C.; SAMPAIO, S. C.; IOST, C.; SILVA, L. N. da; CARNELLOSI, C. F.; EBERT, D. C.; SCHREINER, J. S. USE OF SWINE WASTEWATER IN AGRICULTURAL PROPERTY – CASE STUDY  2        ABSTRACT The objective of this work was to evaluate chemical alterations of an agricultural soil in the west of Paraná due to the application of 8 consecutive years of a swine wastewater. An area, with similar characteristics of the soil and agricultural handling was used as control. The physical-chemical parameters of swine wastewater were determined. Also,  in both soils, the  two depths were 0-30 and 30-60 cm. In general, the application of swine wastewater for 8 consecutive years showed an increase in the following chemical parameters: Calcium, Magnesium, Sodium, Nitrogenous, Phosphorous, Potassium and Organic Matter, especially in the depth 0-30 cm. KEY WORDS: reuse of water, swine wastewater.

1998 ◽  
pp. 129-138 ◽  
Author(s):  
F. Lemaire ◽  
L. Rivière ◽  
S. Stievenard ◽  
O. Marfa ◽  
S. Gschwander ◽  
...  

2007 ◽  
Vol 30 (2) ◽  
pp. 139-149
Author(s):  
Consolatha J. Ngonyani ◽  
Hudson H. Nkotagu

The physical-chemical parameters characterization of Mindu Reservoir, whose 50% of its waters is being plagued byaquatic weeds, involved the analyses of water and sediment samples that were collected during the dry season. As thenutrients levels of Mindu waters were determined, phosphorous (TP - PO 43- ) levels were found to be high enough forsupporting eutrophication process. Likewise Nitrogen/Phosphorous ratios average of 8.51 ± 4.32 suggested a Redfieldbehavior of nutrients with nitrogen being a limiting one. The dominant clay minerals of the Mindu surficial sedimentswere found to be kaolin and illite, where as the Cation Exchange Capacity values were found to be high enough for thesorption of nutrients and pollutants. Both river inflows, overlay-flows and sediments forms the mode of transport ofnutrient, with the later behaving as sinks of nutrients through out the year. The evaporation, bio-geo-chemical andNitrogen fixation processes along with macrophyte productivity, support the hypotheses that physical-bio-geo-chemicalprocesses influences the spatial distribution of major ion in the Mindu Reservoir. These findings classify Mindu aseutrophic, calcium magnesium bicarbonate type. A detailed multidisciplinary study that involves more than one yearcycle was recommended, to capture inter seasonal variability, and for the modeling of the sequestration of nutrients invarious trophic levels.


Caderno CRH ◽  
2019 ◽  
Vol 31 (84) ◽  
pp. 601
Author(s):  
Francisco Lima Cruz Teixeira ◽  
Sílvio Vanderlei Araújo Sousa

<p><span>Este artigo objetiva analisar o projeto do Sistema Viário do Oeste (SVO), no qual consta a construção da Ponte Salvador–Itaparica, à luz das discussões sobre a relação entre infraestrutura e crescimento econômico, assim como daquelas que ampliam o foco para incluir questões pertinentes ao desenvolvimento socioambiental. Essa revisão foi utilizada para apreciar o projeto e para analisar as pré-condições econômicas e sociais presentes em quatro Territórios de Identidade que sofrerão mais diretamente seus impactos. A análise dos dados e das informações não permite postular que o projeto do Sistema Viário do Oeste – com a sua ponte – poderá contribuir, de forma significativa, para mitigar o quadro de profunda desigualdade e promover o desenvolvimento endógeno e sustentável dos territórios. A abordagem utilizada nessa análise, ao rejeitar a visão econômica tradicional, amplia a discussão sobre as relações entre investimentos em infraestrutura e desenvolvimento regional, utilizando as evidências deste estudo de caso.</span></p><div><p class="trans-title">INFRASTRUCTURE AND DEVELOPMENT: what can be expected from the bridge Salvador-Itaparica? Bahia-Brazil</p><p>This paper aims at analyzing the design of the Road System of the West (SVO), which include the construction of Salvador-Itaparica Bridge, in the light of the discussions on the relationship between infrastructure and economic growth, as well as those that expand the focus to include issues relevant to development. This review was used to assess the project and to examine the social and economic preconditions that are present in four Territories of Identity that will suffer more directly their impacts (Metropolitana de Salvador, Recôncavo, Baixo Sul and Vale do Jiquiriçá). The analysis of the data and information does not allow us to postulate that the project of the Road System of the West and its Bridge could contribute significantly to mitigate the significant inequality and promote the endogenous and sustainable development of the territories.The approach used in this analysis, by rejecting the traditional economic view, extends the discussion of the relationship between investments in infrastructure and regional development using evidences from this case study.</p><p><strong>Key words: </strong>Infrastructure; Development; Territories of identity; Productive Settlements; Regional Policies</p></div><div><p class="trans-title">INFRASTRUCTURE ET DÉVELOPPEMENT: que peut-on attendre du pont Salvador-Itaparica? Bahia-Brésil</p></div><p>Cet article vise à analyser la conception du Réseau Routier dans l’Ouest (SVO), qui comprennent la construction du pont Sauveur-Itaparica, à la lumière des discussions sur la relation entre l’infrastructure et la croissance économique, mais aussi ceux qui élargissent la portée aux questions relatives au développement. Cet examen a été utilisé pour évaluer le projet et d’examiner le social et les conditions économiques sont présentes dans quatre territoires de l’identité qui souffrira plus directement leurs impacts (Metropolitana de Salvador, Recôncavo, Baixo Sul et la Vale do Jiquiriçá). L’analyse des données ne nous permet pas de postuler que le projet du Réseau Routier de l’Ouest et son pont pourrait contribuer significativement à atténuer le cadre de l’inégalité qui prévaut et promouvoir le développement endogène et durable des territoires.L’approche utilisée dans cette analyse, en rejetant la vision économique traditionnelle, élargit la discussion sur la relation entre les investissements dans les infrastructures et le développement régional, à l’aide de la preuve de cette étude de cas.</p><p><strong>Key words: </strong>Infrastructure; Développement; Territoires de l’identité; Agglomérations productifs; Politiques régionales.</p><p><span><br /></span></p>


Author(s):  
A. S. Mezhevova ◽  

Purpose: to study physical-chemical parameters of sludge and the possibility of its application as a biomeliorant for increasing soil fertility in Volgograd region. Materials and methods. The object of research is light chestnut solonetzic soil of heavy loamy granulometric texture, silt sludge of domestic waste water. The analysis of soil samples was carried out according to generally accepted methods. Results and discussion. Comparative data of various sludge sediments in terms of physical-chemical parameters allow for the conclusion that the sewage sludge processed by the enzymatic-cavitation method has optimal moisture content (11 %), contains the main nutrients: nitrogen (3.3 %), phosphorus (4.27 %), potassium (0.31 %). The content of organic matter in the sludge was 32 %, which fully complies with the specifications of GOST R 54651-2011. The data of the water extract analysis show that in the variant with the processed sludge sediment there is a higher content of sulfate anions (5.40 mmol/100 g soil) in comparison with the variant of light chestnut soil (0.30 mmol/100 g soil), and increased content of calcium cations (8.40 mmol/100 g soil) and magnesium (5.10 mmol/100 g soil). As a result of the study of soil samples, it was found that after the introduction of sewage sludge in soil, the content of organic matter was 2.28 %, while in soil samples without the introduction of sediment it was 1.67 %. The content of nitrate nitrogen ranged from 8.3 to 30.9 mg/kg, ammonia nitrogen from 4.1 to 5.7 mg/kg, mobile phosphorus from 82.0 to 102.0 mg/kg, exchangeable potassium from 385 to 392 mg/kg according to the variants of the experiment. The conducted studies of the content of heavy metals in soil show that no excess was found for all standardized indicators. Conclusions: it is advisable to use sewage sludge after its biological treatment as a biomeliorant for increasing the productivity of slightly humic soils.


Entropy ◽  
2020 ◽  
Vol 22 (1) ◽  
pp. 110 ◽  
Author(s):  
Shih-Sian Yang ◽  
Masashi Hayakawa

The precursory atmospheric gravity wave (AGW) activity in the stratosphere has been investigated in our previous paper by studying an inland Kumamoto earthquake (EQ). We are interested in whether the same phenomenon occurs or not before another major EQ, especially an oceanic EQ. In this study, we have examined the stratospheric AGW activity before the oceanic 2011 Tohoku EQ (Mw 9.0), while using the temperature profiles that were retrieved from ERA5. The potential energy (EP) of AGW has enhanced from 3 to 7 March, 4–8 days before the EQ. The active region of the precursory AGW first appeared around the EQ epicenter, and then expanded omnidirectionally, but mainly toward the east, covering a wide area of 2500 km (in longitude) by 1500 km (in latitude). We also found the influence of the present AGW activity on some stratospheric parameters. The stratopause was heated and descended; the ozone concentration was also reduced and the zonal wind was reversed at the stratopause altitude before the EQ. These abnormalities of the stratospheric AGW and physical/chemical parameters are most significant on 5–6 March, which are found to be consistent in time and spatial distribution with the lower ionospheric perturbation, as detected by our VLF network observations. We have excluded the other probabilities by the processes of elimination and finally concluded that the abnormal phenomena observed in the present study are EQ precursors, although several potential sources can generate AGW activities and chemical variations in the stratosphere. The present paper shows that the abnormal stratospheric AGW activity has also been detected even before an oceanic EQ, and the AGW activity has obliquely propagated upward and further disturbed the lower ionosphere. This case study has provided further support to the AGW hypothesis of the lithosphere-atmosphere-ionosphere coupling process.


2014 ◽  
Vol 3 (2) ◽  
pp. 20-27
Author(s):  
Sankar S Vishnu ◽  
George Prince ◽  
Thomas Mohan

Water quality plays an important role in maintaining plant and animal life. Lack of good quality drinking water and water for sanitation cause health problems. Water quality characteristics arise from a group of physical, chemical and biological factors. The dynamic balance of the aquatic system can be destroyed by human activities resulting in water pollution.Well water has traditionally considered as a safe resource of water for consumption without treatment and extensively used for individual water supply in rural and many urban areas.In this paper a preliminary analysis is done to explore the water quality of selected wells in order to correlate the effect of pollution on water quality at these locations. Water samples are collected from different regions of Vazhappally area located on central travancore of Kerala. These sites are important because people depend only on well water for drinking purpose. The samples are collected from ten locations and analyzed for chemical parameters such as pH, conductivity, salinity, turbidity, acidity, alkainity, hardness, total phosphates, dissolved oxygen, biological oxygen demand, total dissolved solids and Iron content. Samples are also analysed for coliform bacteria which cause pathogenic diseases. Remarkable differences are observed mainly in biological oxygen demand, acidity and hardness. Finally, an attempt has been done to correlate the observed chemical parameters and the waterquality standards. DOI: http://dx.doi.org/10.3126/ije.v3i2.10501 International Journal of the Environment Vol.3(2) 2014: 20-27


2019 ◽  
Vol 32 (1) ◽  
pp. 167-178 ◽  
Author(s):  
Carlos José Gonçalves de Souza Lima ◽  
Laércio da Silva Pereira ◽  
Theuldes Oldenrique da Silva Santos ◽  
Samia Natacia Pinto ◽  
Artenisa Cerqueira Rodrigues ◽  
...  

ABSTRACT Swine wastewater can be used as a biofertilizer and promote significant improvements in soil physical-chemical attributes and yield. The objective of this study was to evaluate the effects of swine wastewater application on soil and maize yield. The experiment was conducted at the Agricultural Sciences Center of the Federal University of Piauí, in Teresina, Piauí, Brazil, from August to November 2015. The experimental design used completely randomized blocks in split-plot scheme, with five doses of swine wastewater (0, 25, 50, 75 and 100 m3 ha-1) in the plots and two soil depths (0.20 and 0.40 m) in the subplots, with four replications. Exchangeable contents of calcium, magnesium, phosphorus, potassium and sodium, electrical conductivity, pH, sum of bases, base saturation, potential acidity and cation exchange capacity, and crop yield were evaluated. Results showed calcium, magnesium, sum of bases and cation exchange capacity increased with elevated levels of swine wastewater. Potassium and sodium contents however decreased with doses of 51.58 and 52.28 m3 ha-1, respectively. Except for potassium and potential acidity, variables showed higher values at the 0-0.20 m depth.


ALQALAM ◽  
2013 ◽  
Vol 30 (1) ◽  
pp. 158
Author(s):  
Yusuf Somawinata

This article aims at describing the obseroance of wasiat wajibah (compulsory bequeathment) in the Islamic court of Banten, analyzing the provision of the substitute heir and adopted children in the Compilation of  Islamic Law (KHI). In addition, the ideal laws to manage the innheritance rules in Indonesia. This article is library research by using doctrinal approach and using case study and survey methods. The data was, then, analyzed by using analytical descriptive and analytical correlative methods. The result showed that the observance of wasiat wajibah in the Islamic court of  Banten employed by judges is by using the Mawali Hazairin’s Doctrine. The criteria of the adoption of substitute heir and adopted children in the KHI is the attempts of Ulama and many judgees junst in giving legal justice and certainty to the society.   Key Words: Islamic Inheritance Law, Compilation of Islamic Law, Islamic court of  Banten


Author(s):  
S.M. Thomas ◽  
M.H.Beare C.D. Ford ◽  
V. Rietveld

Humping/hollowing and flipping are land development practices widely used on the West Coast to overcome waterlogging constraints to pasture production. However, there is very limited information about how the resulting "new" soils function and how their properties change over time following these extreme modifications. We hypothesised that soil quality will improve in response to organic matter inputs from plants and excreta, which will in turn increase nutrient availability. We tested this hypothesis by quantifying the soil organic matter and nutrient content of soils at different stages of development after modification. We observed improvements in soil quality with increasing time following soil modification under both land development practices. Total soil C and N values were very low following flipping, but over 8 years these values had increased nearly five-fold. Other indicators of organic matter quality such as hot water extractable C (HWC) and anaerobically mineralisable N (AMN) showed similar increases. With large capital applications of superphosphate fertiliser to flipped soils in the first year and regular applications of maintenance fertiliser, Olsen P levels also increased from values


2020 ◽  
Author(s):  
◽  
Julija Pauraitė-Dudek

The impact of submicron aerosol source and physical-chemical parameters on atmospheric radiative balance


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