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Water saving eco-friendly technology of rice irrigation

Kruzhilin, I P ; Dubenok, N N ; Ganiev, M A ; Melikhov, V V ; Rodin, K A ; Fomin, S D

IOP conference series. Earth and environmental science, 2019-10, Vol.341 (1), p.12100 [Periódico revisado por pares]

Bristol: IOP Publishing

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  • Título:
    Water saving eco-friendly technology of rice irrigation
  • Autor: Kruzhilin, I P ; Dubenok, N N ; Ganiev, M A ; Melikhov, V V ; Rodin, K A ; Fomin, S D
  • Assuntos: Acidification ; Crop yield ; Drainage water ; Fertilizers ; Irrigation ; Irrigation water ; Plant protection ; Planting ; Rice ; Salinization ; Soil water ; Technology ; Water conservation ; Water deficit ; Water table ; Water table rise ; Waterlogging
  • É parte de: IOP conference series. Earth and environmental science, 2019-10, Vol.341 (1), p.12100
  • Descrição: The results of research on the development of less water-intensive rice irrigation technology with periodic irrigation, allowing to reduce the cost of irrigation water in 3-5 times are presented. This irrigation technology solves a number of environmental problems associated with the formation of water deficit in the sources of irrigation, the water table rise, salinization, waterlogging, acidification and utilization of polluted waste and drainage water. During the development of water-saving technologies of rice irrigation special attention is paid to the development of high crops and systems of plant protection from weeds. The article provides recommendations for maintaining a less intensive water regime of soil with a humidity not lower than 80% HB from sowing to the end of the tillering stage in a layer of 0.4 m with a subsequent increase to 0.6 m, from wax to full ripeness of grain not lower than 70% HB. The combination of such water regime with fertilizer rate N109P62K75 provides a rice yield of 5.0 t/ha, a rate of N131P74K90 - 6.0 t/ha and a rate of N157P90K108 - 7.0 t/ha.
  • Editor: Bristol: IOP Publishing
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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