Results 31 to 40 of about 1,129 (153)
The Effect of N2O Emission Mitigation by Growing Soybeans Instead of Other Crops [PDF]
农业是重要的温室气体排放源之一,而在农业生产过程中施用氮肥是引起农业温室气体排放的主要原因。因此,如何合理有效的施用氮肥对减少农业温室气体排放、减缓全球气候变化至关重要。鉴于此,对通过合理施用氮肥从而减少温室气体排放的减排措施进行成本效益分析,将有助于我们找到具有经济效益的农业温室气体减排方法。目前,相关减排措施研究主要集中在农田测土配方施肥、改良施肥(缓释肥和长效肥)上。得益于与豆类作物共生的根瘤菌具有的固氮作用,豆类作物相比其他农作物施用更少的氮肥,从而排放更少的氧化亚氮(N2O)。因此 ...
许俊武
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Determination of 34 Elements in Ground Substrate of Black Soil by ICP-MS/OES with Alkali Melting Digestion [PDF]
The organic matter content in black soil samples is high, typically ranging from 3% to 10%. Traditional pretreatment methods such as open acid dissolution digestion, microwave acid dissolution and digestion, high-pressure closed acid dissolution and ...
Bing LU +5 more
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Relationship Between Community Characteristics and Species Diversity of Carex Duriuscula and Soil Physiochemical Properties in Hulunbuir Steppe [PDF]
[Objective] The relationships between community characteristics, species diversity, and soil physical and chemical properties of Carex duriuscula in Hulunbeier steppe were analyzed in order to provide a scientific reference for the protection and ...
Cui Shengchao +5 more
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In this article, I delve into the field diary of Ma Changshou – a major Chinese ethnohistorian and social anthropologist active between the 1930s and 1960s – to show how his journeys through Liangshan, a mountainous land in Southwest China inhabited by the Nuosu‐Yi, led to a new kind of anthropological knowledge.
Jan Karlach
wiley +1 more source
随着世界经济一体化和区域经济集团化进程的加快,加强东北亚自由贸易合作已势在必行。作为中国东北对外开放窗口的大连,正逐渐成长为东北亚重要国际航运中心、东北亚国际物流中心与区域性金融中心。而在这一进程中,恰逢从山东半岛到辽东半岛的渤海跨海大通道也在论证与启动之际,所以大连应当积极跟进时代潮流,勇于承担国家使命,借重这一渤海蓝色新干线,全力打造东北亚自由贸易先导区。为此,应当透视大连市域提升为东北亚自由贸易先导区的时代背景,论证大连市域提升为东北亚自由贸易先导区的发展历程 ...
李靖宇, 李靖宇 莫岩
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Temporal and Spatial Patterns of Wind Erosion Climate Indices and Their Responses to Atmospheric and Oceanic Circulation Patterns in the Chinese Mollisol Region over the Past 61 Years [PDF]
[Objective] A study on the spatial and temporal patterns of wind erosion climate indices and their responses to atmospheric and oceanic circulation patterns in the Chinese Mollisol region is of great significance for the early warning and prevention of ...
FU Jinxia +6 more
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After the great Chinese poet Qu Yuan (屈原) was exiled to Xupu (溆浦) county in Hu' nan province, he described the forest there as follows: “mysterious is the deep forest, the place where Yuán yòu dwell (深林杳以冥冥兮,乃猿狖之所居).” What is the referent of the name Yuán yòu in this sentence?
Kefeng Niu
wiley +1 more source
Read the free Plain Language Summary for this article on the Journal blog. Abstract Interactions between plants and soil microorganisms in the rhizosphere are vital for maintaining the nutrient cycle and stability of terrestrial ecosystems. Nitrogen, closely related to carbon (C) cycling and ecosystem productivity, undergoes transformation by soil ...
Ru Wang +9 more
wiley +1 more source
Spatiotemporal Variations and Topographic Differentiation of Fractional Vegetation Cover in Changbai Mountain [PDF]
[Objective] The dynamic changes of vegetation and its response relationship with topography in Changbai Mountain were explored in order to provide scientific support for ecological environmental protection and management in this mountainous area ...
Li Wen, Shi Song, Yang Ziyi, Yu Ran
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“We are adapting to it because it is within us”: The co‐becoming of COVID‐19 in Malawi
Abstract Using a case study design, this research explores the Coronavirus 2019 disease (COVID‐19) pandemic from the perspectives and worldviews of Malawians (Black/African knowledge) through the Bawaka Yolŋu ontology of co‐becoming (Black/Indigenous knowledge).
Chúk Odenigbo +3 more
wiley +1 more source

