Influence of wood ash recycling on chemical and biological condition of forest Arenosols

被引：0
|
作者：
Ozolincius, R. [1 ]
Armolaitis, K. [1 ]
Raguotis, A. [1 ]
Varnagiryte, I. [1 ,2 ]
Zenkovaite, J. [2 ]
机构：
[1] Ecology Department, Lithuanian Forest Research Institute, Kaunas distr, Lithuania
[2] Ecology Department, Lithuanian Forest Research Institute, Liepu 1, Kaunas district, Girionys, LT-53101, Lithuania
来源：
Journal of Forest Science | 2006年 / 52卷 / SPEC. ISS.期
关键词：
Forestry - Nitrogen fertilizers - Soils - Waste utilization - Wood;
D O I：
10.17221/10164-jfs
中图分类号：
学科分类号：
摘要：
The investigations were conducted in the frame of EU Research project Wood for Energy - a Contribution to the Development of Sustainable Forest Management (2001-2005). The integrated wood ash experiment was set up in a 38-year-old Scots pine (Pinus sylvestris L.) stand on Arenosols in SW part of Lithuania. Raw (not hardened) wood ash and nitrogen fertilizers were applied in 6 variants: 1.251 ash/ha; 2.51 ash/ha; 5.01 ash/ha; 180 kg N/ha; 2.51 ash + 180 kg N/ha and control (no treatment). The changes of soil pH, the content of some nutrients, heavy metals in Arenosols and soil solution, the abundance of ammonifiers, nitrifiers and denitrifiers in forest floor and mineral topsoil after the application of wood ash are presented and discussed in this paper.
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页码：79 / 86
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