Effect of irrigation water pH on the agronomic development of hops in protected cultivation

Guimarães, João de Jesus; Sousa, Francielly Guieiro Gomes de; Román, Rodrigo Máximo Sánchez; Pai, Alexandre Dal; Rodriguês, Sérgio Augusto; Sarnighausen, Valéria Cristina Rodrigues

doi:10.1016/j.agwat.2021.106924

Cited by 14 publications

(4 citation statements)

References 47 publications

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“…The pH and specific conductivity were assessed for all volcanic products in stirred mode to understand the tendency of the materials to release ions in solution. The pH values varied between 6 and 7.6, and being within the neutrality, the products are suitable for agronomic purposes [37]. Concerning electrical conductivity, lapillus was the most stable in terms of ions released in solution, compared with the other volcanic products.…”

Section: Discussionmentioning

confidence: 99%

Characterization of Volcano-Sedimentary Rocks and Related Scraps for Design of Sustainable Materials

et al. 2023

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This work started as a joint academia and company research project with the aim of finding new applications for domestically sourced volcanic products and related waste (pumice, lapillus, zeolitic tuff and volcanic debris from Tessennano and Arlena quarry) by creating a database of secondary volcanic raw materials and their intrinsic characteristics to help industry replace virgin materials and enhance circularity. In this context, accurate chemical, mineralogical, morphological, granulometric and thermal characterizations were performed. Based on the results presented, it can be concluded that due to their lightness, these materials can be used in the design and preparation of lightweight aggregates for agronomic purposes or in the construction field. Furthermore, due to their aluminosilicate nature and amorphous fraction, pumice and lapillus can play the role of precursor or activator for geopolymer preparation. With its porous nature, zeolitic tuff can be exploited for flue gas treatment. Due to the presence of feldspathic phase (sanidine), these materials can be used in tile production as a fluxing component, and with their pozzolanic activity and calcium content, they have application in the binder field as supplementary cementitious material or as aggregates.

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Section: Discussionmentioning

confidence: 99%

Characterization of Volcano-Sedimentary Rocks and Related Scraps for Design of Sustainable Materials

et al. 2023

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“…However, there is just limited research on the pH of irrigation water used in hop cultivation. According to this, Joao de Jesus Guimaraes et al (de Jesus Guimarães et al 2021) investigate the influence of irrigation with various pH ranges on the agronomic growth of hops cultivated in a greenhouse in Botucatu, Sao Paulo, Brazil. Because of climate change, increased salt in water and soil has harmed plant functioning and lowered plant yield, posing a danger to future food security.…”

Section: Methodsmentioning

confidence: 99%

A review study on the design and control of optimised greenhouse environments

Chimankare,

Das,

Kaur

et al. 2023

J. Trop. Ecol.

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Greenhouses are inflated structures with transparent covering that are used to grow crops under controlled climatic conditions. Crops are protected from extreme climate-related events by being enclosed. Furthermore, the greenhouse design ratio impacts the temperature and humidity distribution profile uniformity as well as the greenhouse. As a result, by effectively designing the greenhouse structure, building materials, dimensions, and shapes, the cost of cooling management strategies can be reduced. Structures with changed arch shapes showed to be more effective at reducing greenhouse cooling demands in hot areas. To demonstrate the tropical region’s inherent capabilities for generating a proper atmosphere for plant development, the optimal temperature, humidity, light, and PH for greenhouse production of crops were supplied. Greenhouse cooling systems are dominated by local environmental characteristics that have an immediate impact on their indoor climatic conditions. Photovoltaic systems in greenhouses have proven technological capacity in real-world settings in this area. This could increase the energy efficiency of some agrivoltaic greenhouse design options.

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“…Water temperature typically increases linearly with air temperature from about 0°C to 20°C. On a watershed scale, hydrology can impact stream water temperatures [21] . The pH values of the dam's water ranged from 7.51 to 8.48, depending on the sampling time.…”

Section: Temperature Ph Ec Anions and Cationsmentioning

confidence: 99%

Suitability and assessment of the dams water for the purpose of agricultural irrigation

Bülent Aşık,

Bozan Kapdı

2023

International Journal of Agricultural and Biological Engineering

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This study was carried out to evaluate the water quality of selected dam lakes as well as their suitability for agricultural irrigation. Seven dams were selected for water sampling and samples were collected monthly, including during the irrigation season for a period of one year from March to September 2019. The samples were analyzed for temperature, pH, physicochemical parameters such as temperature, pH value, salinity (EC), anions (CO 3 , HCO 3 , CI, SO 4 , P, NO 3 ), cations (Na, K, Ca, Mg, B, NH 4 ) and heavy metals. The irrigation suitability assessment was made using various indices such as SAR (sodium adsorption rate), TDS (total dissolved solids), Na% (sodium percentage), RSC (residual sodium bicarbonate), MAR (magnesium adsorption rate), KR (Kelly ratio), and PI (permeability index). The temperature values of the water samples varied between 5.8ºC-25.1ºC, pH and EC values changed between 7.51 and 8.46, 282, and 1400 µS/cm respectively. The water samples were evaluated as C 2 S 1 and C 3 S 1 irrigation water classes. The heavy metal contents of the water samples were determined below the limit values. Selected dams were found suitable for irrigation in terms of EC (salinity), SAR (sodium adsorption rate), TDS (total dissolved solids), Na% (sodium percentage), RSC (residual sodium bicarbonate), MAR (magnesium adsorption rate), and KR (Kelly ratio). Water samples were determined as the second class of PI (permeability index). Güllübağ dam was not found suitable as irrigation water in terms of EC, Na%, RSC, and KR values. As a result, it specifically points to the restrictions on the use of water from the Güllübağ dam for irrigation purposes.

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Effect of irrigation water pH on the agronomic development of hops in protected cultivation

Cited by 14 publications

References 47 publications

Characterization of Volcano-Sedimentary Rocks and Related Scraps for Design of Sustainable Materials

Characterization of Volcano-Sedimentary Rocks and Related Scraps for Design of Sustainable Materials

A review study on the design and control of optimised greenhouse environments

Suitability and assessment of the dams water for the purpose of agricultural irrigation

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