E3S Web Conf.
Volume 17, 20179th Conference on Interdisciplinary Problems in Environmental Protection and Engineering EKO-DOK 2017
|Number of page(s)||8|
|Published online||24 May 2017|
Regrowth of willow shoots in the second 4-year rotation at various fertilization with nitrogen
Koszalin University of Technology, Faculty of Civil Engineering, Environmental and Geodetic Sciences, Sniadeckich 2, 75-452 Koszalin, Poland
* Corresponding author: email@example.com
The aim of the experiment was to assess the dynamics of regrowth of shoots of 10 genotypes of basket willow (Salix viminalis L.) in the second 4-year rotation, cultivated on sandy soil in the Middle Pomerania (16°24’N and 54°08’E) under various fertilization with nitrogen (0, 60, 120 and 180 kg N·ha−1) and under rainfall-retention water system. The field experiment was established in 2007 using method of randomized sub-blocks in a subsidiary system with four replications, where on large plots four doses of nitrogen were drawn, and within doses – 10 genotypes of willow. In 2012-2015 the dynamics of regrowth of willow shoots in four separate dates for the first and second row of plot separately were evaluated. During first rotation (2008-2011) in the first row of plot shoots were mowed 2-times (after third and first year of regrowth), and the second row – once (after fourth year of regrowth). During the second 4-year rotation of the biggest variability in relation to the height and thickness of willow shoots and the number of live and dead shoots in snag was noted between years of shoots regrowth and for the amount of live and dead snags on the plot – between the frequencies of mowing.
© The Authors, published by EDP Sciences, 2017
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