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A Load of Guano: Baltimore and the Fertilizer Trade in the Nineteenth Century Pete Lesher Pendant la première partie du 19ème siècle, les fermiers américains des états de la côte atlantique médiale et des régions marécageuses des états méridionaux expérimentaient avec des méthodes pour rajeunir les terres épuisés des plantations.
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Steelmaking slag contains various mineralogical phases, including water soluble phases such as free CaO and the solid solution consisting of 2CaO·SiO2 and 3CaO·P2O5. However, the contribution of each of these phases to the rice growth through the supplement of nutritious element in the rice soil is not clear. In this research, we …
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2. Smart Fertilizer Types. In general, smart fertilizers are fertilizers applied in soil that allow for managing the rate, timing, nutrient release duration, and active absorption by the plant roots [].Recently, Raimodi et al. (2021) [] defined a smart fertilizer as "any single or composed nanomaterial, multicomponent, and/or bioformulation …
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Traditionally, Mendoza says, farmers in the region would clear their fields in preparation for planting by burning the stubble on the ground and spraying agrochemicals — herbicides to kill the weeds and …
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The potential for carbon bio-sequestration in China's paddy rice (Oryza sativa L.) as impacted by slag-based silicate fertilizer. Sci. Rep. 5, 17354; doi: 10.1038/srep17354 (2015).
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focused on the obtaining a slag with high phosphorus content to be used as fertiliser (together with other slags with a low content in phosphorus to be recycled inside the …
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LD steel slag as fertilizer in agriculture. Steel LD slag can also be used in fertilizers for agricultural applications (Das et al., 2007). The efforts have been made in Tata steel that LD slag after grinding to 300 mesh, can be used as a soil conditioner in paddy field, tea gardens etc (Basu et al., 2002). Nippon KokanKk Corporation (NKK) in ...
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Abstract The possibility of using converter slag as an iron (Fe) fertilizer in some calcareous soils was investigated. Slag used contained 16.83% Fe2O3 and 6.87% …
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The feasibility of steel slag used as an iron fertilizer was studied in a pot experiment with corn. Slag alone or acidified slag was added to two Fe-deficient calcareous soils at different rates. Results showed that moderate rates (10 and 20 g kg −1) of slag or acidified slag substantially increased corn dry matter yield and Fe uptake ...
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WEBSlag has been used in agriculture for some time, notably in the USA, Germany, and France, and it has proved both effective and cost-efficient. Now, technicians at our Kryvyi Rih …
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fertilizers, is further reduced. Basic slag It is a by-product from the steel industry. During the steel manufacture, the P in the iron ore is removed to get a high quality steel as the steel containing more than 2% of P is brittle. The basic slag is obtained by the various processes of steel manufacture. 1. Thomas and Gilchrist method
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The use of fertilizers and materials produced from blast furnace and steel slags has a long tradition. For example Thomasphosphate had been used for more than hundred years. Silicate …
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Pedosphere 16(4): 519-524, 2006 @ 2006 Soil Science Society of China Published by Elsevier Limited and Science Press ISSN 1002-0160/CN 32-1315/P Steel Slag as an Iron Fertilizer for Corn Growth ...
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978 ChAND et al., Curr.World Environ., Vol. 10(3), 975-984 (2015) table 2: Chemical composition and major phases of typical LD slag generated at integrated steel plant in india Chemical major ...
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Steel mill services company makes presentation at COP28 on a low-carbon fertilizer made of recycled steel slag. Harsco says AgroSilicio soil amendment can be used "to correct chemical …
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The use of steelmaking slag as fertilisers and as agents A small amount of slag is used as fertiliser in agriculture and this use depends on the market situations. Due to the low market value of fertilisers, the long distances transportation is a limiting factor. In addition natural lime stone fertilisers are in competition to the slag use.
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Fertilizer products are regulated by the Processed Food and Nonalcoholic Beverages Commercial and Sanitary Information which requires all products be labeled in Spanish and include a list of ingredients. Mexico Imports 57% of the world's nitrogen fertilizer, mostly Urea from China and Russia, 25% of the phosphorus fertilizer and 18% of the ...
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This study investigated the long-term (31 years) effects of mineral slag fertilizer (fused magnesium phosphate [FMgP] and calcium silicate [CaSi]) application on changes in the main soil chemical ...
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Abstract Fertilizers made of steelmaking slag are important inexpensive materials for recovering degraded paddy fields. The results of our previous works showed that essential Ca and Si elements were effectively supplied by the dicalcium silicate phase (C2S) while the glassy phase of the CaO–SiO2–FeO system served as an Fe source. In …
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The influence of slag fertilizer on the soil microbiome are diverse and the possible mechanisms of slag-microbes interactions can be as follows: (1) slag fertilizer supplies nutrients not only to the plant but also to soil microorganisms; (2) slag fertilizer modifies soil microbial habitats by improving soil properties (e.g., increasing soil pH ...
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The abuse of inorganic fertilizers in coffee agroecosystems is a worldwide problem. In central Mexico, organic fertilizers are being introduced as an alternative way to restore soil fertility.
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This slag which contains the phosphorus in the form of silicophosphates is ground to a fine powder. Traditionally ball or tube mills are used, but recently in [...] Basic slag is a by-product of the steel industry.
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Slag generated from basic oxygen furnace (BOF) or Linz-Donawitz (LD) converter is one of the recyclable waste in integrated steel plants. This paper deals with the present and possible use of LD slag in agriculture. At present, the amount of slag deposited in storage yard, leading to the occupation of farm land and serious pollution to the environment. …
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J. Chem. Chem. Eng. 6 (2012) 853-859 Uses of Blast Furnace Slag as Complex Fertilizer Abdelhak Maghchiche1*, Ramadan Naseri2 and Abdelkarim Haouam2 1. Pharmacy Department, Batna University, Batna ...
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The cumulative biogas yield, methane yield, and COD degradation rate of slag-2 are 507.29 mL/g VS, 274.70 mL/g VS, and 58.62%, respectively. Thermal analysis reveals that the digestate with steel slag has excellent thermal stability and potential application as a component of nitrogen, phosphorus, and potassium organic compound fertilizers.
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Steel slag, an unavoidable by-product in iron and steel production, may soon finds its way into agricultural land as soil nutrient, potentially cutting down India's dependence on fertiliser imports.
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Fertiliser choices. Yara fertilisers, solid or liquid, supply all crop nutrients including nitrogen, sulphur, phosphate, potassium and a full range of micronutrients. Explore more Toggle submenu navigation. Nitrate fertilisers Urea …
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Uses of Blast Furnace Slag as Complex Fertilizer 858 2θ Fig. 6 X-ray diffraction pattern of raw BFS heated at 1,000 °C. 2θ Fig. 7 X-ray diffraction pattern of BFS treated with (N, P and K). Table 6 XRD of BFS heated at 1,000 °C. θ (°) 13.9 16.85 18.2 19 Table 7 d ( A°) 3.727 3.089 2.867 2.750 XRD of BFS treated with (N, P, and K).
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DOI: 10.15832/ankutbd.1197239 Corpus ID: 259826947; Utilization of Steel Slag as a Soil Amendment and Mineral Fertilizer in Agriculture: A Review @article{Tozsin2023UtilizationOS, title={Utilization of Steel Slag as a Soil Amendment and Mineral Fertilizer in Agriculture: A Review}, author={Gulsen Tozsin and Taşkın …
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Abstract The possibility of using converter slag as an iron (Fe) fertilizer in some calcareous soils was investigated. Slag used contained 16.83% Fe2O3 and 6.87% FeO plus a relatively large amount of … Expand. 11. PDF. 1 Excerpt; Save. Co-utilisation of CO2 and steelmaking slags for production of pure CaCO3 legislative issues.
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