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- W3000618085 abstract "<span>The problem of Fertilization, especially micro fertilizers</span><span lang=IN>,</span><span> is </span><span lang=IN>toxication </span><span>due to the excessive application. Using the concept of slow release fertilizer is a very possible solution to overcome the problem. The objectives of this study are 1) </span><span lang=IN>to characterize </span><span>corn cobs activated carbon for slow release micro fertilizer carrier, </span><span>2) </span><span lang=IN>to produce </span><span>and </span><span>t</span><span lang=IN>o test</span><span> of slow release micro fertilizer.</span><span>The research was carried out by converting corn cobs into activated carbon with an activation temperature of 600 ˚C and water vapor for 90 minutes. Production</span><span lang=IN> of</span><span> slow release fertilizer was carried out by soaking activated carbon in a solution of CuSO<sub>4</sub>, FeSO<sub>4</sub> and ZnSO<sub>4</sub> 1N for 24 hours. The results of micro fertilizer were then characterized</span><span lang=IN>, then</span><span> the solubility test </span><span lang=IN>was </span><span>carried out. </span><span>The results of the characteristic analysis showed <span>that some parameters that could be used as fertilizer carriers include, iodine adsorption 404.21 mg g<sup>-1</sup>,</span> <span>adsorption of methylene blue 16.88 mg g<sup>-1</sup>, the pore volume of 0.19 cc mg<sup>-1</sup> and surface area of 315.77 m<sup>2</sup> g<sup>-1</sup>.</span> While</span><span lang=IN>,</span><span> based on the results of micronutrient solubility test the highest nutrient content that can be absorbed by activated carbon (AA) is found in Cu, followed by Zn and Fe. </span><span lang=IN>It</span><span> relates to the characteristics possessed by activated carbon namely specific surface area, pore volume, and nutrient diameter size.</span><p> </p>" @default.
- W3000618085 created "2020-01-23" @default.
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- W3000618085 date "2019-12-30" @default.
- W3000618085 modified "2023-09-25" @default.
- W3000618085 title "Characteristics of Corn Cobs Waste Activated Carbon for Slow Release Micro Fertilizer Carrier" @default.
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- W3000618085 doi "https://doi.org/10.20961/stjssa.v16i2.25480" @default.
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