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Nitrogen utilization by oat plants in an Agroecosystem
- Sokolov, O. A., Shmyreva, N. Ya., Zavalin, A. A.
- Russian agricultural sciences 2017 v.43 no.4 pp. 309-313
- agricultural sciences, agroecosystems, biomass, nitrogen, nitrogen balance, nitrogen content, oats, soil
- It is found that a more environmentally efficient nitrogen balance on sod-podzolic soil of a slope develops after incorporation of clover biomass. Oat plants utilize 37% of clover N on the crest-close slope and 25% in its lower part; in this case, 55 and 50% N, respectively, become soil-stabilized; 8 and 25% N are lost. Minimum nitrogen quantity is used up by oats from organic sources after incorporating timothy biomass; the maximum of 69 and 59% become soil-stabilized, its highest losses reaching 14–27%.