中国稻米2026，Vol.32Issue(3)：60-64,5.DOI:10.3969/j.issn.1006-8082.2026.03.010
生物菌肥不同施用方式协同提高水稻产量与氮素利用率的效果研究
Research on the Effects of Different Application Methods of Bio-Fertilizer in Synergistically Enhancing Rice Yield and Nitrogen Use Efficiency
摘要
Abstract
To screen suitable application modes of bio-fertilizer in rice production,this study used the late japonica rice cultivar Shanghaishida 19 as the test material and conducted field plot experiments to systematically investigate the effects of different bio-fertilizer application methods on rice yield,nitrogen accumulation and translocation,and nitrogen use efficiency(NUE).Six fertilization treatments were designed:T1,no nitrogen control;T2,conventional nitrogen application(pure N 225 kg/hm2);T3,T2+foliar spraying of bio-fertilizer at 3.75 L/hm2 at the 2-leaf-1-heart stage of seedlings;T4,T2+foliar spraying of bio-fertilizer at 7.5 L/hm2 at the 2-leaf-1-heart stage of seedlings;T5,T2+root-dipping with bio-fertilizer at 3.75 L/hm2 before transplanting;and T6,T2+root-dipping with bio-fertilizer at 7.5 L/hm2 before transplanting.The results showed that,compared with T2,co-application of bio-fertilizer significantly increased rice yield.Among these,treatment T6 achieved the highest yield,reaching 9 858.0 kg/hm2,representing a significant increase of 13.74%over T2,and its grains per panicle(97.1 grains)were significantly higher than those of other treatments(P<0.05).T6 also significantly increased stem-leaf nitrogen content and nitrogen accumulation at the tillering peak stage,panicle nitrogen content at the full heading stage,panicle nitrogen accumulation at maturity,and total plant nitrogen accumulation,while effectively reducing stem-leaf nitrogen retention rate.Regarding nitrogen use efficiency,the nitrogen recovery efficiency(47.40%),nitrogen agronomic efficiency(8.34 kg/kg),and nitrogen partial factor productivity(43.81 kg/kg)of T6 were significantly higher than those of T2 by 64.01%,171.66%,and 13.73%,respectively.In conclusion,based on conventional nitrogen application,root-dipping with bio-fertilizer at 7.5 L/hm2(diluted 5 times)before rice transplanting can effectively promote nitrogen accumulation in the early growth stage and its translocation to panicles,synergistically enhance rice yield and nitrogen use efficiency.This model is suitable as a bio-fertilizer application technology for promotion and application in green rice production.关键词
水稻/生物菌肥/施用方式/产量/氮素利用率Key words
rice/bio-fertilizer/application method/grain yield/nitrogen use efficiency分类
农业科技引用本文复制引用
李潇,曹小闯,王新雅,何卓婷,朱练峰,孔亚丽,朱春权,田文昊,张均华,金千瑜..生物菌肥不同施用方式协同提高水稻产量与氮素利用率的效果研究[J].中国稻米,2026,32(3):60-64,5.基金项目
浙江省重大科技任务攻关项目 （）
国家重点研发计划青年科学家项目(2023YFD2302200) （2023YFD2302200）
杭州市自然科学基金重点项目(2024SZRZDD010001) （2024SZRZDD010001）
浙江省重点研发计划项目(2022C02018) （2022C02018）
