Alteration of Physical Attributes and Production in Fertigated Soil With Swine Effluent

Souza, José Antonio Rodrigues de; Moreira, Débora Astoni; Silva, Éllen Lemes; Rezende, Diego César Veloso; Thomazini, Soraya Carmelita Novaes; Ferreira, Nelson Donizete

doi:10.24857/rgsa.v17n2-002

RGSA

2023

DOI: 10.24857/rgsa.v17n2-002

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Alteration of Physical Attributes and Production in Fertigated Soil With Swine Effluent

José Antonio Rodrigues de Souza¹,

Débora Astoni Moreira²,

Éllen Lemes Silva³

et al.

Abstract: Purpose: The objective of this study was to evaluate the effects of the use of different swine wastewater (ARS) in electrical (CEes) and hydraulic (K0) conductivity in soil grown with tomato, as well as in tomato yeld. Method/design/approach: The literature review showed that studies have been based on the application of residues replacing evapotranspirometric demand, causing deleterious effects to soil and plants. Results and conclusion: the mineral fertilization was more effective… Show more

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Cited by 3 publications

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Community Participation in the Management of Tourist Areas (Case Study in the Tourist Area of Bongo, Gorontalo District) Indonesia

Yapanto,

Fadhli,

Tamod

et al. 2023

RGSA

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Purpose: This study was carried out in Bongo Village, Batudaa Pantai District, Gorontalo District, from January 2019 to March 2018. Method: The data collection approach is a qualitative method with a descriptive design, which means that the research provides an accurate description of a specific individual or group's circumstances and symptoms. The number of samples was 88 respondents. Analysis of data using Miles and Huberman by decreasing qualitative data. Results and conclusion: Participation of the community in the development of Dulanga beach tourism, Bongo Village, Batudaa District, Gorontalo Regency communicates with the government in the development of Dulanga beach tourist. Community participation in the development of Dulanga beach tourism in Bongo Village, Batudaa Pantai District, Gorontalo Regency has been excellent, through individual initiative, organizations, and those coordinated by the government/NGOs. engagement in the exploitation of development results in Bongo village is extremely good, and everyone supports each other for the development of Dulanga beach tourism. Research implications: Participation in monitoring and assessment of development through restoration or reforestation in the preservation of Dulanga beach tourism, Bongo Village, participation in monitoring the community that destroys Dulanga beach tourist, Bongo Village. However, there is still a lack of monitoring by the village government, sub-district tourism offices, and related authorities. Originality/value: In order to preserve Dulanga Beach Tourism, a mature implementation is required, and the community as an implementer plays a role in supplying energy and implementation time in creating Dulanga Beach Tourism, Bongo Village, the community participates in it as the executor of the activities carried out.

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Community Participation in the Management of Tourist Areas (Case Study in the Tourist Area of Bongo, Gorontalo District) Indonesia

Yapanto,

Fadhli,

Tamod

et al. 2023

RGSA

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The Nature of the Tender Implementation for the Construction of the Di Irrigation Network. Gilireng Kiri, Wajo Regency in View from the Aspect of Contract Law

Khalid,

Hakim,

Nawi

et al. 2023

RGSA

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Objective: Construction of rifle net. Gilireng Kiri, Wajo Regency uses the type of purchase of construction works with the method of access to tender, with the prequalification of the files, the lowest price is a disposal system, and the type of contract used is a unit price contract. Method: The unification of price contracts will require the supervision and verification of the actual quantity of the units, as well as their impact on the suitability or availability of the budget. Next, the number of regeneration jobs between service users and service providers must be performed to determine the workload. Results and conclusions: This will also create opportunities for collusion between users and service officials. The research method uses the normative legal approach through the inventory, analysis, analysis and understanding of the law as set of norms or helpful norms in the constitutional system. Research implications: The data of this research were collected through a literary study, that is, from library materials related to the problems studied, as well as from descriptive methods. Originality value: The binding aspects of construction services are governmental, commercial or private entities, as service providers, as users of the service. In relation to the use of work, the relationships between provision users and facility workers should be described in the agreement/agreement.

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Measurement of Water Matriial Potential in the Soil Through Instrumented Tensiometers with Pressure Sensors and Puncture Device

De Queiroz,

De Matos,

Seabra Júnior

et al. 2023

RGSA

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Objective: The search for a practical and accessible solution for measuring water tension in the soil using tensiometers is fundamental for irrigation management, efficient use of water and increased profitability of irrigated crops. The objective of this study was to propose a technique based on the instrumentation of a tensiometer with a pressure sensor and a device for reading the sensor's response. Theoretical Frame: This study used the following main quotes as a theoretical basis: Freescale and NPX Semiconductors manufacturers of pressure sensors, Azevedo & Silva for the soil water tension correction methodology and Van Genuchten to describe the relationship between soil water content and suction. Method: Pressure transducers with a range of 0-50 and 0-100 kPa were used, with an analog signal varying between 200 and 4700 mV, whose response was measured by a digital multimeter with the scale adjusted to V or mV. The transducer was adapted by attaching a hypodermic needle Nº 7/30 to the vacuum measurement inlet, leaving the other inlet free for the atmosphere. The transducer was powered by a 9 Vcc battery with rectified voltage to 5 Vcc through a specific integrated circuit for this function. The conversion of the transducer response signal in mV to voltage in kPa was performed using the response function informed by the manufacturer, reversing the order of the variables so that the voltage could be measured as a function of the output signal in mV. The system was used to measure the water tension in the soil of tensiometers installed in an area cultivated with tomatoes in a greenhouse during a complete cycle, functioning satisfactorily. Results and conclusions: During the experimental period, the water tension in the soil observed with the new tensiometer with pressure sensor and sensor response reading device ranged from 0.00 kPa (minimum tension) to 53.33 kPa (maximum tension) in the two soil layers. analyzed soil, while the average tension was 23.64 kPa in the 0-20 cm soil layer and 21.38 kPa in the 20-40 cm layer. Soil moisture obtained from soil water tension and soil water retention curve ranged from 0.11 (minimum) to 0.50 m3 m-3 (maximum) in both studied soil layers, while that the average soil moisture in the depth from 0 to 20 cm was 0.21 m3 m-3 and from 20 to 40 cm was 0.20 m3 m-3. The instrumented tensiometer with pressure sensor and sensor response reading device makes it possible to satisfactorily determine the matrix potential of water in the soil. The matriial tension data obtained with the new pressure sensor are consistent with reports in the literature as adequate to provide higher yields in tomato cultivation. The technique and instrumentation proposed in this study allows measuring the water tension in the soil, knowing the soil moisture and carrying out irrigation management, applying an irrigation depth according to the needs of the plants, making a more efficient use of water and providing water and electricity savings. Implications of the research: This study qualifies as being of great relevance for the purposes of the Department of Agronomic Engineering at the Universidade do Estado de Mato Grosso, Nova Mutum Campus, as well as for the entire academic and scientific community and rural producers interested in tensiometers to carry out a management of water from the soil and farm sustainably. Originality and value: The study sought to present to the academic, scientific and rural producers community a practical and accessible solution for measuring the water tension in the soil through tensiometers, thus providing current information on a new instrument for irrigation management, which makes it possible to carry out a more efficient use of water and increase the profitability of irrigated crops.

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Alteration of Physical Attributes and Production in Fertigated Soil With Swine Effluent

Cited by 3 publications

References 26 publications

Community Participation in the Management of Tourist Areas (Case Study in the Tourist Area of Bongo, Gorontalo District) Indonesia

Community Participation in the Management of Tourist Areas (Case Study in the Tourist Area of Bongo, Gorontalo District) Indonesia

The Nature of the Tender Implementation for the Construction of the Di Irrigation Network. Gilireng Kiri, Wajo Regency in View from the Aspect of Contract Law

Measurement of Water Matriial Potential in the Soil Through Instrumented Tensiometers with Pressure Sensors and Puncture Device

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