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has been cited by the following article:

• TITLE: Water Productivity of Poplar and Paulownia on Two Sites in Kyrgyzstan, Central Asia

  AUTHORS: Niels Thevs, Clara Baier, Kumar Aliev

  KEYWORDS: Fast-Growing Trees, Water Consumption, Sap Flow, Central Asia, Semi-Arid Climate

  JOURNAL NAME: Journal of Water Resource and Protection, Vol.13 No.4, April 7, 2021

  ABSTRACT: As Central Asia is a region with wide spread water scarcity as a result of excessive irrigation of agriculture, land use changes deserve research about potential impacts on the already strained water resources. Poplars have a long tradition as agroforestry tree across Central Asia, while paulownia is new to the region, but has been gaining extreme attention as a potential plantation and/or agroforestry tree. Therefore, the water productivity of those two tree species is investigated here on 3-year-old trees, in order to provide insights in how far the newly introduced Paulownia could put additional strain on water resources compared to paulownia. Poplar (P. deltoides × nigra) increased the stem biomass by 5.4 kg at an average water consumption of 4.18 l/d (water productivity 6.79 g/l). Paulownia’s (Paulownia tomentosa × fortunei) stem biomass grew by 4.81 kg at 2.36 l/d in average (water productivity 11.9 g/l). Expanding paulownia would not exert more pressure on Central Asia’s water resources than an expansion of poplar.