Influences of irrigation, nitrogen and zeolite management on the physicochemical properties of rice

Chen, Taotao; Wilson, L. T.; Liang, Qian; Xia, Guimin; Chen, Wei; Chi, Daocai

doi:10.1080/03650340.2016.1276286

Cited by 22 publications

(16 citation statements)

References 28 publications

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“…The PCA method allows for a better discrimination of weights factors and variance explanation than the EW method, these findings are confirmed by other researchers that have been used PCA for composite vulnerability index. Each component explains a proportion of the total variance and makes it easier to identify the underlying factors for the vulnerability [66][67][68]. Each component of the FVI, exposure, sensitivity and adaptive capacity were categorized in five levels using a normalization process that allow for the categorization of the variable from very high (5), to high (4), medium (3), low (2) and very low (1) value.…”

Section: Understanding the Vulnerability Of The City: Exposure Sensimentioning

confidence: 99%

An Operational Framework for Urban Vulnerability to Floods in the Guayas Estuary Region: The Duran Case Study

et al. 2020

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Duran is a coastal city located in the Guayas Estuary region in which 24% of urban sectors suffers from the effects of chronic flooding. This study seeks to assess the causes of Duran’s vulnerability by considering exposure, population sensitivity and adaptive capacity to establish alternatives to reduce its vulnerability to flooding. An operational framework is proposed based on the vulnerability definition of the Intergovernmental Panel on Climate Change (IPCC) and applying a census-based Index of Vulnerability, a geographic information system and local knowledge of urban development. A Principal Component and equal weighting analysis were applied as well as a spatial clustering to explore the spatial vulnerability across the city. A total of 34% of the city area is mapped as having high and very high vulnerability, mostly occupied by informal settlements (e.g., 288 hectares). Underlying factors were poor quality housing, lack of city services and low adaptive capacity of the community. However, some government housing programs (e.g., El Recreo), with better housing and adaptive capacity were also highly vulnerable. Limited urban planning governance has led to the overloading of storm water and drainage infrastructure which cause chronic flooding. Understanding the underlying causes of vulnerability is critical in order develop integrated strategies that increase city resilience to climate change.

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Section: Understanding the Vulnerability Of The City: Exposure Sensimentioning

confidence: 99%

An Operational Framework for Urban Vulnerability to Floods in the Guayas Estuary Region: The Duran Case Study

et al. 2020

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“…Several studies have examined the effect of zeolite on the growth of various plant species. These experiments mostly concern the use of unsaturated zeolite, as a controlling agent, as it's water and nutrient release is slow in various plants (i.e., Zea mays, Hordeum vulgare L. seedlings, Raphanus sativus, rice, cucumber, Aloe vera, soybean cultivars, sugarcane, corn, sorghum, Leccino olive, and sunflowers) [20][21][22][23][24][25][26][27][28][29][30][31][32][33][34][35][36][37][38][39]. On the other hand, zeolite has been used as a bulking agent to produce compost derived from various wastes, such as sewage sludge [40], biogas digestate [41], and food waste [42].…”

Section: Introductionmentioning

confidence: 99%

Second Cheese Whey Treatment Using Zeolite under Continuous Flow Mode and Its Application on Wheat Growth

Kotoulas

Agathou

Triantaphyllidou

et al. 2019

Water

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The efficiency of natural zeolite to treat second cheese whey (SCW) and remove ammonium from artificial wastewater (AWW) was examined. Since zeolite has been reported to improve nitrogen availability in soils, its effect on wheat plant growth was also examined. Continuing a previous study using batch reactors, results are presented concerning experiments in fixed-bed columns under continuous operation. Results from the continuous flow column experiments using AWW and zeolite (2.0–2.8 mm) indicated that low flow rates (4 mL/min and 8 mL/min) did not significantly affect zeolite adsorption ability, while maximum zeolite adsorption capacity reached 15.30 mg NH4+-N/g. Finally, the effect of zeolite saturated with NH4+-N on plant growth was examined. The application of saturated zeolite affected significantly wheat plant growth and resulted in faster growth and higher biomass production.

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“…Although irrigation is considered as the only way to satisfy the food demand of the ever-growing population of the world, there are negative impacts that it might have on the environment. Moreover, crops that need exceptional treatment could also be tested and used under an appropriate management system (Chen et al, 2017). Irrigation, if done in an environmentally sustainable way, not only helps to overcome the problems of rainfall shortage and variability, but also plays a vital role in combating nutrition insecurity (Domènech, 2015).…”

Section: Introductionmentioning

confidence: 99%

“…The negative impacts, which include waterlogging and salinity, could be mitigated or minimized by increasing water-use efficiency. Chen et al (2017) demonstrated the influence of irrigation, nitrogen and zeolite management, emphasizing how to improve the protein content of the rice. This is because it enables the production of diverse nutritious food crops throughout the year.…”

Section: Introductionmentioning

confidence: 99%

“…It also helps in growing highly valuable cash crops and thus contributes to boosting the livelihoods of households and the economy of the country. Moreover, crops that need exceptional treatment could also be tested and used under an appropriate management system (Chen et al, 2017). Chen et al (2017) demonstrated the influence of irrigation, nitrogen and zeolite management, emphasizing how to improve the protein content of the rice.…”

Section: Introductionmentioning

confidence: 99%

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Effects of Irrigation Systems on Physicochemical Properties of Soil at Different Depths: A Case Study at a Farm Near Ziway Lake, Ethiopia

Teffera

Astatkie

et al. 2018

Irrigation and Drainage

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Irrigation, regardless of its possible negative impacts on the environment, is the prime choice to combat poverty and sustain food security. Changes in soil physicochemical properties and subsequent loss of productivity are the main challenges associated with irrigation practices. This study investigated the effect of furrow and basin irrigation systems on surface and subsurface soil physicochemical properties in comparison with properties in non‐irrigated fields. The soil properties were analysed as repeated measures using appropriate covariance structure. The results showed significant interaction between irrigation and depth on electrical conductivity, pH, Na+, Ca2+, Mg2+, soluble cations and organic carbon; but only the main effect of irrigation system was significant on K+, HCO3−, Cl−, SO42−, soluble anions and sodium adsorption ratio. Both irrigation systems had lower soluble salt content on the surface than at the subsurface layer with basin irrigation having slightly higher, but the non‐irrigated fields showed the opposite. The soil pH was high, particularly in the non‐irrigated fields, which could affect the availability of important soil constituents like Ca, Mg, Co, Cu, Fe, Mn and Zn, and increase Na hazard and boron (B) toxicity that would impair crop productivity. Therefore, the effects of the irrigation method on the soil properties should be well understood and appropriate precautions should be taken when choosing irrigation methods. © 2018 John Wiley & Sons, Ltd.

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Influences of irrigation, nitrogen and zeolite management on the physicochemical properties of rice

Cited by 22 publications

References 28 publications

An Operational Framework for Urban Vulnerability to Floods in the Guayas Estuary Region: The Duran Case Study

An Operational Framework for Urban Vulnerability to Floods in the Guayas Estuary Region: The Duran Case Study

Second Cheese Whey Treatment Using Zeolite under Continuous Flow Mode and Its Application on Wheat Growth

Effects of Irrigation Systems on Physicochemical Properties of Soil at Different Depths: A Case Study at a Farm Near Ziway Lake, Ethiopia

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