Effects of Biochar on Acid Black Soil Nutrient, Soybean Root and Yield

Abstract:

This research focuses on studying the effects of biochar on acidic soil nutrient, soybean production, root and plant height,using the method of pot plant simulation for soybean cultivation patterns in three ridging test. Biochar was applied for pot with set 0, 1, 5, 10, 15, 20, 25t hm-2. Biochar, diammonium hydrogen phosphate, urea and potassium chloride were fully mixed then sampled on soybean clover stage (V3), full bloom stage (R2) and the early mature stage (R7).This research examined the soybean root index. At the early mature stage (R7), soil samples were blown dry and examined chemical index. During the mature period (R8), we examined the yield and plant height. The results showed that, with the increase of the content of the biochar, available potassium，and organic matter was increased significantly, increasing 77.69mgkg-1, and 7.56gkg-1 compared with control respectively. The root dry weight, main root length, lateral root number, total length, lateral root number, root dry weight of the maximum was respectively increased by 80.85%, 100%, 33.86%, 167.74%, 26.31% and 80.41% than control in early mature stage. The yield increased by 35.97% compared with control.

• Periodical: Advanced Materials Research (Volumes 524-527)
• Pages: 2278-2289
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.524-527.2278
• Online since: May 2012
• Authors: Da Wei Yin, Jun Meng, Gui Ping Zheng, Xue Mei Zhong, Lan Yu, Ji Ping Gao, Wen Fu Chen
• Keywords: Acid Black Soil, Biochar, Root, Yield

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