1. Callaghan, T. V., et al. "The effect of water-absorbing synthetic polymers on the stomatal conductance, growth and survival of transplanted Eucalyptus microtheca seedlings in the Sudan." Journal of Applied Ecology (1989): 663-672.
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2. Yoon, Tae Kyung, et al. "Early fertilization and absorbent treatments continuously enhanced windbreak tree growth and soil properties in the Hetao Plain of Inner Mongolia, China." Forest science and technology 10.1 (2014): 46-50.
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3. Crous, Jacob W. "Use of hydrogels in the planting of industrial wood plantations." Southern Forests: a Journal of Forest Science 79.3 (2017): 197-213.
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