高能电子束辐照辅助的具有可调保水保肥性能的尿素-秸秆-淀粉肥料
Urea-Straw-Starch Fertilizer with Tunable Water- and Nutrient-Retaining Properties Assisted by High-Energy Electron-Beam Irradiation.
作者信息
Zhao Chen, Zhang Jia, Wu Zhengyan, Yue Qiulin, Zhao Lin, Guo Shousen, Zhang Xin
机构信息
National Engineering Laboratory of Crop Stress Resistance Breeding, Anhui Agricultural University, 230036 Hefei, P. R. China.
Shandong Provincial Key Laboratory of Food and Fermentation Engineering, Shandong Food Ferment Industry Research & Design Institute, Qilu University of Technology (Shandong Academy of Sciences), 250013 Jinan, P. R. China.
出版信息
ACS Omega. 2023 Aug 27;8(36):32331-32339. doi: 10.1021/acsomega.2c07787. eCollection 2023 Sep 12.
A novel type of water- and nutrient-retaining fertilizer (WNRF) was prepared by mixing, melting, and extruding high-energy electron-beam (HEEB)-irradiated corn straw, urea, and starch. HEEB irradiation technique effectively killed pathogenic microorganisms in straw and further improved the adsorption and binding capacity of straw to urea and water. Compared to nonirradiated HEEB samples, the optimal WNRF improved the water retention rate by 25.63%, the migrate-to-surface loss control rate by 60.2%, and the leaching loss control rate by 34.71%, respectively. Thus, it effectively facilitated the growth of pak choi with a 24% increase in the dry matter weight of the shoot. This work provides a promising approach to improve water and nutrient availability in arid and semi-arid regions and to promote the efficient utilization of straw resources.
通过将高能电子束（HEEB）辐照的玉米秸秆、尿素和淀粉进行混合、熔融和挤压，制备了一种新型保水保肥肥料（WNRF）。HEEB辐照技术有效杀灭了秸秆中的致病微生物，并进一步提高了秸秆对尿素和水的吸附及结合能力。与未辐照的HEEB样品相比，最佳WNRF分别将保水率提高了25.63%，迁移到表面的损失控制率提高了60.2%，淋溶损失控制率提高了34.71%。因此，它有效地促进了小白菜的生长，地上部干物质重量增加了24%。这项工作为提高干旱和半干旱地区的水分和养分有效性以及促进秸秆资源的高效利用提供了一种有前景的方法。
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