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The Normalization of Seed Germination Test: An Effective Method to Assess Compost Maturity

文献类型： 外文期刊

作者： Chen, Xing 1 ; Ren, Xiuna 1 ; Wang, Quan 1 ; Li, Ronghua 1 ; Jiao, Minna 1 ; Li, Songling 3 ; Wang, Yayi 3 ; Zhang, Zengqiang 1 ;

作者机构： 1.Northwest A&F Univ, Coll Nat Resources & Environm, Yangling, Shaanxi, Peoples R China

2.Minist Agr, Key Lab Plant Nutr & Agrienvironm Northwest China, Yangling, Shaanxi, Peoples R China

3.Qinghai Univ, Qinghai Acad Agr & Forestry Sci, Xining, Peoples R China

4.Northwest A&F Univ, Coll Nat Resources & Environm, Yangling 712100, Shaanxi, Peoples R China

期刊名称：COMPOST SCIENCE & UTILIZATION （ 影响因子：1.188； 五年影响因子：1.54 ）

ISSN： 1065-657X

年卷期： 2021 年 29 卷 3-4 期

页码：

收录情况： SCI

摘要： Mature compost, as an alternative substance of chemical fertilizer, could provide nutrients for plant growth, improve soil structure and inhibit the diseases. Germination index (GI), as an essential parameter for reflecting the compost maturity, varied with different test methods, which led to the diverse compost products quality and restricted the development of composting technology. Therefore, aiming to make the GI better service for the compost quality detection, some dominant factors related to GI value were summarized based on the previous literatures, especially seed type and the ratio of compost to water extraction. Furthermore, the optimum parameters were confirmed through a single factor experiment. After analyzing, it revealed that the 1:10 (g/mL) and Daucus carota var. sativa L was suggested for the seed germination test. Besides, the seed germination test was supposed to proceed in incubator for 48 h at 25 degree celsius in the darkness.

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