Carbon sequestration, kinetics of ammonia volatilization and nutrient availability in alkaline sandy soil as a function on applying calotropis biochar produced at different pyrolysis temperatures

2020 ◽  
Vol 726 ◽  
pp. 138489 ◽  
Author(s):  
Abu El-Eyuoon Abu Zied Amin
Keyword(s):  
Carbon Sequestration ◽  
Sandy Soil ◽  
Nutrient Availability ◽  
Ammonia Volatilization ◽  
Kinetics Of

Impact of the establishment of a botanical garden on soil carbon sequestration and nutrient availability in tropical soils

2019 ◽  
Vol 66 (7) ◽  
pp. 1015-1026
Author(s):  
R.R. Ratnayake ◽  
Dinusha Chamari ◽  
Sumith Ekanayake ◽  
K. Rajapaksha ◽  
S.B. Karunaratne ◽  
...  
Keyword(s):  
Carbon Sequestration ◽  
Soil Carbon ◽  
Nutrient Availability ◽  
Tropical Soils ◽  
Botanical Garden ◽  
Soil Carbon Sequestration

Kinetics of Carbon Mineralization and Sequestration of Sole and/or Co-amended Biochar and Cattle Manure in a Sandy Soil

2019 ◽  
Vol 50 (20) ◽  
pp. 2593-2609
Author(s):  
Daniel E. Dodor ◽  
Yahaya J. Amanor ◽  
Abena Asamoah-Bediako ◽  
Dilys S. MacCarthy ◽  
Delali B.K. Dovie
Keyword(s):  
Sandy Soil ◽  
Carbon Mineralization ◽  
Cattle Manure ◽  
Kinetics Of

Effect of nitrogen fertilizers on ammonia volatilization in wild blueberry production

2006 ◽  
Vol 86 (Special Issue) ◽  
pp. 1383-1386 ◽  
Author(s):  
Gloria Thyssen ◽  
David Percival ◽  
David Burton ◽  
Kevin Sanderson
Keyword(s):  
Key Words ◽  
Ammonium Sulphate ◽  
Nutrient Availability ◽  
Prince Edward Island ◽  
Ammonia Volatilization ◽  
Nitrogen Fertilizers ◽  
Site Specific ◽  
Coated Urea ◽  
Wild Blueberry ◽  
Key Words Nitrogen

Environmental losses of soil-applied N-fertilizers through ammonia volatilization were examined. Volatilization trials were established in the vegetative phase of wild blueberry production in Nova Scotia (NS) and Prince Edward Island (PE) in 2004 and 2005. Treatments consisted of no fertilizer (control) and N applications (35 kg N ha-1) of ammonium sulphate (AS), diammonium phosphate (DAP), urea (U) and sulphur coated urea (SCU). When compared with the control, results indicated significantly elevated volatilization rates for U (303% NS in 2004, 274% PE in 2005), SCU (273% NS in 2004, 205% PE in 2005) and DAP (178% PE in 2005). Results indicate that volatilization losses are significant, site specific and may contribute to reductions in nutrient availability. Key words: Nitrogen, wild blueberry, environmental losses, ammonia, volatilization

scholarly journals Mineralization and Decomposition of Four Types of Compost Based on Biomass of Sida cordifolia L. in a Sandy Soil in the Semi-arid Zone of Niger

2020 ◽  
pp. 1-13
Author(s):  
Souley Maman Sadi ◽  
Addam Kiari Saidou ◽  
Morou Boubé ◽  
Jens B. Aune
Keyword(s):  
Sandy Soil ◽  
Nutrient Availability ◽  
Agricultural Production ◽  
Chemical Elements ◽  
Arid Zone ◽  
Nutrient Requirements ◽  
Physico Chemical ◽  
Sida Cordifolia ◽  
Semi Arid

The low nutrient availability rainfall patterns regimes are the main constraints to agricultural production in Niger. This was a study of the decomposition and mineralization of nutrients of four types of composts (M1P, M2P, M1H and M2H) in a sandy soil. It was carried out at the experimental N'Dounga station (CERRA Kollo) located about 15 km from Niamey. A randomized blocks design with five repetitions was used. For the evaluation of yield, two doses (1 t ha-1 and 1.5 t ha-1) were applied per millet. Decomposition and mineralization were assessed after burial at 10 cm depth between of a small bag containing 100 g (five small bags / compost). The characterization of the physico-chemical elements of composts samples after incubation has shown that composts are rich in nutrients. Nitrogen ranged from 0.8% to 1.1%, phosphorus from  9.99 mg.kg-1 to 12.76 mg.kg-1 and potassium from 19.94 cmolc dm-3 to 26.26 cmolc dm-3. All four composts are basic (pH> 7). Compost M2H lost more than 80% of its weight during the 10 weeks of the experiment compared to 48% for the M1P. the mineralization of N, P and K is greater at compost M1P (83.6% N, 72.72% P and 89.5% K). This compost also gave the highest yield (1272.5 kg ha-1). The decomposition and mineralization of the main elements (N, P and K) allow the synchronization between the release of nutrients from these composts and the nutrient requirements of millet in a sandy soil.

scholarly journals Effects of Rice Husk Biochar on Carbon Release and Nutrient Availability in Three Cultivation Age of Greenhouse Soils

Agronomy ◽  
2020 ◽  
Vol 10 (7) ◽  
pp. 990
Author(s):  
Chen-Chi Tsai ◽  
Yu-Fang Chang
Keyword(s):  
Carbon Sequestration ◽  
High Temperatures ◽  
Rice Husk ◽  
Soil Ph ◽  
Nutrient Availability ◽  
High Surface ◽  
Nutrient Retention ◽  
Study Results ◽  
Greenhouse Soils ◽  
Rice Husk Biochar

Greenhouse production can contribute to the accumulation of salt and heavy metals and nutrient imbalance, thus, increasingly degrading greenhouse soils. The potential of rice husk biochar to increase carbon sequestration, neutralize soil pH, increase nutrient retention, and change nutrient/heavy metal sorption/desorption in greenhouse soils is promising. Therefore, we investigated three greenhouse soils (red soil) with 3, 14, and 24 cultivation years (3S, 14S, and 24S) in northern Taiwan to test the effects of rice husk biochar (RHB) on carbon dynamics and nutrient availability. A 100-day incubation study was conducted in which poultry-livestock manure compost (2% by wt.) and six rice-husk-based, slow-pyrolysis biochars pyrolyzed at different temperatures were applied (0%, 0.5%, 1.0%, 4.0%, 10%, and 20% by wt.) to three red soils. The study results indicated that the RHB pyrolyzed at high temperatures, with relatively high pH and Ca content, could lead to a higher neutralizing effect when applied to the soil. In addition, the high temperatures pyrolyzed RHB had a higher capacity to reduce the concentration of Cu, Pb, and Zn in the three soils, especially for the younger cultivation soil, which contributed to the higher pH and relatively high surface area of these RHB, and the relative lower soil pH of the younger soil. Furthermore, only adding 0.5% RHB could result in an evident change in soil characteristics for 3S and 24S soil, including cumulative C release, pH, EC, TC, and available K increase, but 4% RHB addition was needed for 14S soil. In the condition of co-application with 2% compost (by wt.), 4% RHB addition was necessary for carbon sequestration, at least 10% RHB addition was needed for 3S and 14S soil, but 1.0 to 4.0% would be sufficient for 24S. In conclusion, the RHB and compost co-application in greenhouse soil resulted in improved chemical properties, and the effect of the pyrolysis temperature, application rate, and cultivation age had varying improvements.

The availability of nitrogen in liquid sewage sludges applied to grassland

1984 ◽  
Vol 102 (3) ◽  
pp. 703-709 ◽  
Author(s):  
N. J. Hutchings
Keyword(s):  
Organic Matter ◽  
Sandy Soil ◽  
Field Trial ◽  
Ammonia Volatilization ◽  
Clay Soil ◽  
Digested Sludge ◽  
Clay Particles ◽  
Anaerobically Digested Sludge ◽  
The Mean ◽  
Aerobic Sludge

SummaryThe availability to grass of the nitrogen in liquid anaerobically digested sludge (LDS) and liquid aerobic sludge (LAS) was investigated in a 2-year field trial. The mean availability of the nitrogen in the LDS over the 2 years was 44% on a freely drained sandy soil and 34% on a poorly drained clay soil. The corresponding values for the LAS were 56 and 44%. A greater inhibition or organic-matter decomposition by clay particles or a greater loss of nitrogen by either ammonia volatilization or denitrification were all possible reasons for the lower availability of the sludges on the clay soil. Investigation of the magnitude of gaseous losses of nitrogen from sludge-amended grassland under U.K. conditions is required. Current models of the availability of the nitrogen in liquid sludges may not be realistic if these losses are significant.

Kinetics of Aerobic Bioremediation of a Diesel-Contaminated Sandy Soil: Effect of Nitrogen Addition

2009 ◽  
Vol 208 (1-4) ◽  
pp. 193-208 ◽  
Author(s):  
Dimitrios P. Komilis ◽  
Aggeliki-Eleni K. Vrohidou ◽  
Evangelos A. Voudrias
Keyword(s):  
Sandy Soil ◽  
Nitrogen Addition ◽  
Kinetics Of ◽  
Aerobic Bioremediation
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