986 resultados para nitrogen sources

Non-additive effects of water and nitrogen addition on ecosystem carbon exchange in a temperate steppe 

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Response of ecosystem carbon exchange to warming and nitrogen addition during two hydrologically contrasting growing seasons in a temperate steppe 

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Labile, recalcitrant, and microbial carbon and nitrogen pools of a tallgrass prairie soil in the US Great Plains subjected to experimental warming and clipping 

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Variation in nitrogen economy of two Stipa species in the semiarid region of northern China 

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Grazing Density Effects on Cover, Species Composition, and Nitrogen Fixation of Biological Soil Crust in an Inner Mongolia Steppe 

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Effects of prescribed burning and seasonal and interannual climate variation on nitrogen mineralization in a typical steppe in Inner Mongolia 

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Soil characteristics and nitrogen resorption in Stipa krylovii native to northern China 

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Effect of nitrogen supply on nitrogen use efficiency of an annual herb,Helianthus annuus L. 

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Foliar nitrogen dynamics and nitrogen resorption of a sandy shrub Salix gordejevii in northern China 

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Nitrogen addition and rhizome severing modify clonal growth and reproductive modes of Leymus chinensis population 

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The application of carbon nanotube electron sources to the electron microscope - art. no. 70370P

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Flow Filtering and the Physical Sources of Aerodynamic Sound

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Can the restoration of natural vegetation be accelerated on the Chinese Loess Plateau? A study of the response of the leaf carbon isotope ratio of dominant species to changing soil carbon and nitrogen levels 

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Nitrogen translocation in wheat plants under soil water deficit 

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Nitrogen metabolism in flag leaf and grain of wheat in response to irrigation regimes 

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