EFEKTIVITAS BIOCHAR TERHADAP KETERSEDIAAN UNSUR HARA MIKRO PADA ULTISOL

Oksana Oksana, Irwan Taslapratama, Muhammad Ali Novia, Yusmar Mahmud, Tiara Septirosya, Raudhatu Shofiah
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Abstract

Biochar with a high organic matter composition is considered to be an ameliorant for Ultisol. Providing biochar as an ameliorant needs to be studied because it will cause an increase in micronutrients, most of which are excessive in Ultisol. This study aims to determine the effect of several levels of biochar dosage from corn cob as a base material on changes in micronutrients in Ultisol soil. This research was conducted in a greenhouse and in the Laboratory of Agrostology, Feed Industry and Soil Science, State Islamic University of Sultan Syarif Kasim Riau. Experiments with several doses of biochar as treatment, e.g., 0%, 5%, 10%, and 15% of the composition of the growing media were arranged in a Completely Randomized Design (CRD) with six replications. The parameters observed were the micronutrient content of Boron (B), Copper (Cu), Zinc (Zn), Iron (Fe) and Aluminum (Al). The experimental results showed that giving corn cob biochar with doses of 0.5%, 10% and 15% did not significantly change the levels of B, Cu and Zn Ultisol. Biochar at a dose of 10% significantly increased the soil Zn content and decreased Al-dd Ultisol solubility. 
生物炭对超微土壤中微量营养元素供应的影响
高有机质成分的生物炭被认为是一种改善 Ultisol 条件的物质。将生物炭作为一种改良剂需要进行研究,因为它将导致微量营养元素的增加,而大多数微量营养元素在 Ultisol 中含量过高。本研究旨在确定以玉米芯为基质的生物炭的不同用量对 Ultisol 土壤中微量营养元素变化的影响。这项研究是在廖内苏丹-赛里夫-卡西姆国立伊斯兰大学的温室和农业学、饲料工业和土壤科学实验室进行的。实验采用完全随机设计法(CRD),将生物炭的不同剂量作为处理,如生长介质成分的 0%、5%、10% 和 15%,共六次重复。观察参数为硼(B)、铜(Cu)、锌(Zn)、铁(Fe)和铝(Al)的微量营养元素含量。实验结果表明,玉米芯生物炭的剂量为 0.5%、10% 和 15%,并没有显著改变硼、铜和锌的含量。剂量为 10%的生物炭明显增加了土壤中的锌含量,降低了 Al-dd Ultisol 的溶解度。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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