Screening of Rhizosphere Microbes of Salt-Tolerant Plants and Developed Composite Materials of Biochar Micro-Coated Soil Beneficial Microorganisms

Shih-Chi Lee, Yutaka Kitamura, Shu-Hsien Tsai, Chuan-Chi Chien (), Chun-Shen Cheng and Chin-Cheng Hsieh
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Shih-Chi Lee: Central Region Campus, Industrial Technology Research Institute, Nantou 54041, Taiwan
Yutaka Kitamura: Faculty of Life and Environmental Sciences, University of Tsukuba, Tsukuba 305-8577, Japan
Shu-Hsien Tsai: Central Region Campus, Industrial Technology Research Institute, Nantou 54041, Taiwan
Chuan-Chi Chien: Central Region Campus, Industrial Technology Research Institute, Nantou 54041, Taiwan
Chun-Shen Cheng: Central Region Campus, Industrial Technology Research Institute, Nantou 54041, Taiwan
Chin-Cheng Hsieh: Department of Biomechatronics Engineering, National Ping-Tung University of Science and Technology, Pingtung 912301, Taiwan

Sustainability, 2022, vol. 14, issue 24, 1-15

Abstract: To develop composite materials of biochar micro-coated soil beneficial microorganisms, soil samples were collected from the saline-alkali land of the Penghu in Taiwan. After isolation, purification and identification, a total of one Bacillus amyloliquefaciens and two Bacillus megaterium were identified as the source of beneficial microorganisms. The agricultural waste is collected and initially crushed, and then made into biochar through a series of thermal cracking processes. The specific surface area of biochar is more than 100 m 2 /g, the fixed carbon is more than 80%, the proportion of medium and large pores is more than 30%, the pH after adjustment is 7.3 ± 0.2, and the pore size of beneficial microorganisms grows inward, which is one of the beneficial microorganisms. The biochar micro-coated soil-beneficial microorganism composite material developed in this experiment can indeed help crops to overcome the stress of salt damage to a certain extent, and Bacillus amyloliquefaciens can indeed promote plant growth and help crops effects of over-salting adversity.

Keywords: agricultural waste; Bacillus amyloliquefaciens; beneficial microorganisms; biochar; rhizosphere (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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