The effect of biogas slurry application on biomass production and the silage quality of corn
文献类型： 外文期刊
作者： Sun, Hua 1 ; Shi, Kai 1 ; Ding, Hairong 1 ; Ding, Chenglong 2 ; Yang, Zhiqing 1 ; An, Chen 1 ; Jin, Chongfu 1 ; Liu, Beiyi 2 ; Zhong, Zhaoxin 1 ; Xiao, Xia 1 ; Hou, Fuyin 1 ;
作者机构： 1.Jiangsu Coastal Area Inst Agr Sci, Yancheng 224000, Peoples R China
2.Jiangsu Acad Agr Sci, Inst Anim Sci, Nanjing 210014, Peoples R China
关键词： Biogas Slurry; Biomass Yield; Corn Silage; Fermentation Quality; Forage Quality
期刊名称：ANIMAL BIOSCIENCE （ 影响因子：2.2； 五年影响因子：2.3 ）
ISSN： 2765-0189
年卷期： 2023 年 36 卷 12 期
页码：
收录情况： SCI
摘要： Objective: The objective of this study was to evaluate the effect of biogas slurry application on biomass production and the silage quality of corn.Methods: A field experiment was conducted in which corn was grown using different biogas slurry application rates. The effect of 25% to 500% biogas slurry nitrogen replacement (T1 to T14) on the yield and quality indices of corn were studied by field plot experiments.Results: The results revealed that biogas slurry application improved the stem diameter and relative feed value of corn silage in treatments T13 and T11. Moreover, the fermentation quality of corn silage was improved due to an increase in lactic acid content; in comparison with the chemical synthetic fertilizer (CF) group. The crude protein contents of corn silage had no obvious change with increasing biogas slurry application. However, the forage quality index of acid detergent fiber was decreased (p<0.05) in the T11 group compared with the CF group. In addition, higher (p<0.05) 30 h in vitro dry matter digestibility and 30 h in vitro neutral detergent fiber digestibility were observed in the T11 and T13 groups than in the Conclusion: Based on these results, it was concluded that the optimum biogas slurry appli-cation rate for corn was approximately 350% to 450% biogas slurry nitrogen replacement under the present experimental conditions.
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