311 resultados para nitrogen doses

Changes in carbon and nitrogen in soil particle-size fractions along a grassland restoration chronosequence in northern China 

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Constitutive expression of the nifA gene activates associative nitrogen fixation of Enterobacter gergoviae 57-7, an opportunistic endophytic diazotroph 

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Changes in carbon and nitrogen of Chernozem soil along a cultivation chronosequence in a semi-arid grassland 

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Plant nitrogen concentration, use efficiency, and contents in a tallgrass prairie ecosystem under experimental warming 

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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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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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