Evaluation of Lime Requirement Procedures and Liming Materials for Aquaculture Ponds in Thailand

Silapajarn, Kom; Silapajarn, Orawan; Boyd, Claude E.

doi:10.1300/j028v17n03_06

Cited by 2 publications

(2 citation statements)

References 10 publications

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“…We observed variations in alkalinity between the different soil layers of between 2 and 4 mmol/L, in agreement with previous variations observed in East Thailand [6,7]. We assumed that alkalinity variations, resulting in mineral dissolution and precipitation reflect the soil-water geochemical net carbon storage [8].…”

Section: Carbon Storage In Soil -Water Interactionsupporting

confidence: 89%

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Estimation of Natural Carbon Sequestration in Eastern Thailand: Preliminary Results

Charoenjit

Zuddas

Allemand

2013

Procedia Earth and Planetary Science

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We estimated carbon sequestration in Pará rubber tree plantations using a remote sensing approach and then compared the results to known figures for carbon sequestration resulting from soil-water interaction. The preliminary zone investigated is in Wangchun, eastern Thailand, and covers about 20 km 2 . Carbon sequestrated during soil-water interaction was estimated using a hydrological model taking into account variations in alkalinity and topography. We found that soil-water interaction resulted in the sequestration of 0.04 tons C/km 2 /year. The amount of naturally stored carbon in the Pará rubber plantation using THAICHOTE satellite imagery and specific biomass equations, was found to be 645 tons C/km 2 /year. The magnitude of these preliminary results suggests that the flux of carbon storage in Pará rubber plantations could play a substantial role in the global carbon cycle.

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Section: Carbon Storage In Soil -Water Interactionsupporting

confidence: 89%

“…Our estimations, based on pore soil water balance from 2011, in the studied area of 33,008 m 3 (or 1,650.4 m 3 /km 2 ) yield a carbon sequestration of 0.04 tons C/km 2 /year [6,7].…”

Section: Carbon Storage In Soil -Water Interactionmentioning

confidence: 98%

Estimation of Natural Carbon Sequestration in Eastern Thailand: Preliminary Results

Charoenjit

Zuddas

Allemand

2013

Procedia Earth and Planetary Science

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Fertilizers in aquaculture

Green

2015

Feed and Feeding Practices in Aquaculture

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Pond fertilization is an important component of semi-intensive to intensive aquaculture pond management that supports successful production of the culture organism. Semiintensive and intensive aquaculture pond management fall along the extensive to hyperintensive management continuum and are characterized by high stocking rate of the culture animal, limited use of fertilizers, use of compound or complete feeds, and water quality monitoring and management, including use of mechanical aeration (Hickling, 1971;Bardach et al., 1972;Avault, 1996). Slightly lower stocking rates, relatively greater use of fertilizer and compound feed, and lower rates of mechanical aeration distinguish semi-intensive from intensive pond management strategies.Fertilization contributes to establishing and maintaining a pond environment that allows the culture organism to efficiently utilize the compound or complete feeds (see other chapters in this volume) offered. Fertilizer sources are chemical fertilizers and organic (matter) fertilizers, which include agricultural by-products and animal manures. Chemical fertilizer typically is composed of nitrogen, phosphorus, and potassium compounds that dissolve readily to provide nutrients to phytoplankton. Organic fertilizer includes agricultural by-products, for example, rice bran, cottonseed meal, and animal manures, for example, poultry litter, cow manure, which first must undergo decomposition to release nutrients for phytoplankton growth. Among the benefits of pond fertilization are the production of natural food organisms that contribute to culture organism nutrition, the development of phytoplankton blooms that provide dissolved oxygen, utilize excreted feed nitrogen, shade out benthic vegetation, and provide contrast for fish to locate and consume floating, extruded feed, and the control of clay turbidity.This chapter presents information on pond food webs, sources and form in water of macronutrients required by phytoplankton, chemical and organic fertilizers, fertilizer solubility, fertilization frequency, and examples of pond fertilization regimes. Pond natural food webPond fertilization supplies exogenous sources of key nutrients to stimulate primary and secondary productivity that form the base of the aquaculture pond food web. In the context of aquaculture ponds, primary producers refers to microscopic algae and other photosynthetic organisms, collectively termed phytoplankton. Primary production in Feed and Feeding Practices in Aquaculture. http://dx.

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Evaluation of Lime Requirement Procedures and Liming Materials for Aquaculture Ponds in Thailand

Cited by 2 publications

References 10 publications

Estimation of Natural Carbon Sequestration in Eastern Thailand: Preliminary Results

Estimation of Natural Carbon Sequestration in Eastern Thailand: Preliminary Results

Fertilizers in aquaculture

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