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- W2386571809 abstract "From 2000 to 2002, for grassland resulting from the return of cultivated land to herbage in the agro-pastoral transitional zone of north China, the soil was analysed and compared with spring wheat land, studying the effects of forage on soil organic matter and nitrogen content. In the first production year, soil organic matter and total nitrogen content at 0-20 cm soil depth in forage plots showed marked improvement over wheat plots. Soil organic matter and total nitrogen content increased from the first to second production years for both single and mixed forage sowing treatments, and the improvement effect on soil nitrogen was more significant for mixed sowing than single sowing. The single sowing of Elymus sibiricus and Bromus inermis, as well as the mixed sowing of these two species markedly improved soil organic matter. 3∶1 proportions for mixed sowing of Elymus sibiricus + Bromus inermis, and Elymus sibiricus + Agropyron cristatum, respectively, effectively increased soil nitrate-nitrogen content." @default.
- W2386571809 created "2016-06-24" @default.
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- W2386571809 date "2004-01-01" @default.
- W2386571809 modified "2023-09-24" @default.
- W2386571809 title "Effects of returning cultivated land to herbage on soil organic matter and nitrogen in the agro-pastoral transitional zone of north China" @default.
- W2386571809 hasPublicationYear "2004" @default.
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