为了更加系统地了解国内外田菁(Sesbania)研究现状,该文利用Citespace、VOSviewer、HistCite等文献计量工具,系统分析了中国知网检索平台(1958—2024年)与Web of Science核心合集数据库(1928—2024年)的相关文献。结果表明:(1)田菁研究...为了更加系统地了解国内外田菁(Sesbania)研究现状,该文利用Citespace、VOSviewer、HistCite等文献计量工具,系统分析了中国知网检索平台(1958—2024年)与Web of Science核心合集数据库(1928—2024年)的相关文献。结果表明:(1)田菁研究全球年发文量呈现增长态势,2016—2024年中国发文占比显著增多;中、英文研究均集中于农业科学相关领域,发文期刊主要包括《中国土壤与肥料》《Weed Technology》《Indian Journal of Agricultural Sciences》等;崔元臣和Holsters M分别是该领域中、英文发文最多的研究学者。(2)田菁关键词共现网络主要分为共生固氮、农业绿肥、畜禽饲养、生物防治、田菁胶5类。(3)近年来,田菁共生固氮研究更加侧重于基因层面,扩大根瘤菌宿主范围实现非豆科植物固氮已成为研究热点之一;在盐碱土改良应用研究中,利用微生物介导的田菁耐盐性增强策略受到关注;在畜禽饲养、生物防治方面,国外研究发文虽比国内多,但中国已在田菁等饲草遗传转化技术领域取得突破,建立了相应基因编辑体系;田菁胶研究的最新进展主要侧重于提升改性工艺、扩大其性能和使用范围。展开更多
Green manuring is essential for improving soil quality and nutrient uptake.With the gradual depletion of phosphorus(P)resources,more attention is being paid to the role of green manures in cultivation systems,such as ...Green manuring is essential for improving soil quality and nutrient uptake.With the gradual depletion of phosphorus(P)resources,more attention is being paid to the role of green manures in cultivation systems,such as maize-green manure intercropping,to find possible pathways for enhancing soil P utilization.A maize-green manure intercropping experiment was started in 2009 to investigate the effects and mechanisms for enhancing P uptake and yield in maize.Three species of green manures(hairy vetch(HV),needle leaf pea(NP),sweet pea(SP))and a sole maize treatment(CK)were used,resulting in four treatments(CK,HVT,NPT,and SPT)in the experiment.During 2020-2023,the intercropping treatments enhanced maize yields in 2020 and 2021,particularly in HVT with increases of 13.7%(1.96 t ha^(-1))and 13.0%(2.13 t ha^(-1))compared with CK,respectively.Grain P accumulation of maize was significantly higher in the intercropping treatments than CK in 2020,2021,and 2023,and with an average increase of 10.6%over the four years(5.2% for NPT,10.8% for SPT and 15.9% for HVT)compared with CK.Intercropping promoted maize growth with a greater root length density and a higher organic acid release rate.HVT changed the soil properties more dramatically than the other treatments,with increases in the acid phosphatase and alkaline phosphatase activities of 29.8 and 38.5%,respectively,in the topsoil(0-15 cm),while the soil p H was reduced by 0.37 units compared to CK(p H=8.44).Intercropping treatments facilitated the conversion of non-labile P to mod-labile P and stimulated the growth of soil bacteria in the topsoil.Compared with CK,the relative abundance of Gemmatimonadota,known for accumulating polyphosphate,and Actinobacteriota,a prominent source of bioactive compounds,increased significantly in the intercropping treatments,especially in HVT and SPT.A PLS-PM analysis showed that intercropping promoted soil P mobilization and the enrichment of beneficial bacteria by regulating maize root morphology and physiology.Our results highlight that maize-green manure intercropping optimizes root traits,soil properties and bacterial composition,which contribute to greater maize P uptake and yield,providing an effective strategy for sustainable crop production.展开更多
文摘为了更加系统地了解国内外田菁(Sesbania)研究现状,该文利用Citespace、VOSviewer、HistCite等文献计量工具,系统分析了中国知网检索平台(1958—2024年)与Web of Science核心合集数据库(1928—2024年)的相关文献。结果表明:(1)田菁研究全球年发文量呈现增长态势,2016—2024年中国发文占比显著增多;中、英文研究均集中于农业科学相关领域,发文期刊主要包括《中国土壤与肥料》《Weed Technology》《Indian Journal of Agricultural Sciences》等;崔元臣和Holsters M分别是该领域中、英文发文最多的研究学者。(2)田菁关键词共现网络主要分为共生固氮、农业绿肥、畜禽饲养、生物防治、田菁胶5类。(3)近年来,田菁共生固氮研究更加侧重于基因层面,扩大根瘤菌宿主范围实现非豆科植物固氮已成为研究热点之一;在盐碱土改良应用研究中,利用微生物介导的田菁耐盐性增强策略受到关注;在畜禽饲养、生物防治方面,国外研究发文虽比国内多,但中国已在田菁等饲草遗传转化技术领域取得突破,建立了相应基因编辑体系;田菁胶研究的最新进展主要侧重于提升改性工艺、扩大其性能和使用范围。
基金supported financially by the National Key Research&Development Program of China(2021YFD1700200)the National Natural Science Foundation of China(32402686)+3 种基金the Earmarked Fund for China Agriculture Research System(CARS-22)the Fundamental Research Funds for Central Non-profit Scientific Institution,China(1610132022013)the Science and Technology Innovation Project of Chinese Academy of Agricultural Sciencesthe China National Crop Germplasm Resources Platform for Green Manure(NICGR-2024-19)。
文摘Green manuring is essential for improving soil quality and nutrient uptake.With the gradual depletion of phosphorus(P)resources,more attention is being paid to the role of green manures in cultivation systems,such as maize-green manure intercropping,to find possible pathways for enhancing soil P utilization.A maize-green manure intercropping experiment was started in 2009 to investigate the effects and mechanisms for enhancing P uptake and yield in maize.Three species of green manures(hairy vetch(HV),needle leaf pea(NP),sweet pea(SP))and a sole maize treatment(CK)were used,resulting in four treatments(CK,HVT,NPT,and SPT)in the experiment.During 2020-2023,the intercropping treatments enhanced maize yields in 2020 and 2021,particularly in HVT with increases of 13.7%(1.96 t ha^(-1))and 13.0%(2.13 t ha^(-1))compared with CK,respectively.Grain P accumulation of maize was significantly higher in the intercropping treatments than CK in 2020,2021,and 2023,and with an average increase of 10.6%over the four years(5.2% for NPT,10.8% for SPT and 15.9% for HVT)compared with CK.Intercropping promoted maize growth with a greater root length density and a higher organic acid release rate.HVT changed the soil properties more dramatically than the other treatments,with increases in the acid phosphatase and alkaline phosphatase activities of 29.8 and 38.5%,respectively,in the topsoil(0-15 cm),while the soil p H was reduced by 0.37 units compared to CK(p H=8.44).Intercropping treatments facilitated the conversion of non-labile P to mod-labile P and stimulated the growth of soil bacteria in the topsoil.Compared with CK,the relative abundance of Gemmatimonadota,known for accumulating polyphosphate,and Actinobacteriota,a prominent source of bioactive compounds,increased significantly in the intercropping treatments,especially in HVT and SPT.A PLS-PM analysis showed that intercropping promoted soil P mobilization and the enrichment of beneficial bacteria by regulating maize root morphology and physiology.Our results highlight that maize-green manure intercropping optimizes root traits,soil properties and bacterial composition,which contribute to greater maize P uptake and yield,providing an effective strategy for sustainable crop production.
