文献类型： 外文期刊
作者： Fu, Bin 1 ; Sun, Enhui 2 ; Yong, Cheng 2 ; Chen, Ling 2 ; Wei, Zhenggui 1 ; Huang, Hongying 2 ; Gao, Bin 3 ; Qu, Ping 2 ;
作者机构： 1.Nanjing Normal Univ, Sch Environm, Nanjing, Peoples R China
2.Jiangsu Acad Agr Sci, Key Lab Agr Environm Lower Reach Yangtze River Pl, Jiangsu Collaborat Innovat Ctr Solid Organ Waste, Minist Agr & Rural Affairs,Inst Agr Resources & E, Nanjing, Peoples R China
3.Univ Florida, Dept Agr & Biol Engn, Homestead, FL 33031 USA
关键词： Binderless board; Substrate; Rice seedling; Straw fiber; Compost
期刊名称：BIORESOURCES （ 影响因子：1.747； 五年影响因子：2.005 ）
ISSN： 1930-2126
年卷期： 2022 年 17 卷 3 期
页码：
收录情况： SCI
摘要： A binderless board was produced from mechanically dissociated compost straw via suction filtration. The binderless board was applied to replace the topsoil that is currently used predominantly as the substrate for rice seedlings in China. The binderless board showed the highest tensile strength when the rice straw had been composted for 20 days. The bulk density, aeration, and total porosity of the binderless board showed an increasing trend with composting time, due to the increased decomposition of rice straw. The examination of the growth parameters and root morphology of the rice seedlings showed that electrical conductivity (EC), pH, and nutrient content of the binderless board made from rice straw composted for 10 days were conducive to the growth of seedlings. Polyphenols inhibited rice seedling height and shoot weight and promoted the rice seedling stem diameter and root weight. Considering the quality loss, growth index, and the strength of the binderless board, 10 days of composting is the optimal condition. These results indicate that binderless board can replace top soil and peat when used as the substrate for rice seedling.
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