The root growth of Salix viminalis and Eucalyptus nitens in response to dairy farm pond effluent irrigation

被引：13
|
作者：
Heaton, RJ [1 ]
Sims, REH
Tungcul, RO
机构：
[1] Cardiff Univ, Llysdinam Field Ctr, Newbridge On Wye LD1 6NB, Powys, Wales
[2] Massey Univ, Coll Sci, Inst Technol & Engn, Palmerston North, New Zealand
来源：
BIORESOURCE TECHNOLOGY | 2002年 / 81卷 / 01期
关键词：
biomass crops; effluent; Eucalyptus nitens; roots; Salix viminalis;
D O I：
10.1016/S0960-8524(01)00107-9
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
The spatial root distribution after two years of three energy crops was investigated, with the influence of two rates of dairy pond effluent application, applied every fortnight. The roots of Salix viminalis PN 386 and NZ 1295 and Eucalyptus nitens were studied using soil cores. It was found that spatial distribution was influenced by effluent rate, with greater quantities of both fine and coarse roots in the top soil horizons with the higher effluent rate of 300 m(3) ha(-1) compared to 150 m(3) ha(-1). The study has implications on the harvesting of such crops using heavy machinery which could cause root damage and lessen vi our in the second rotation . (C) 2001 Elsevier Science Ltd. All rights reserved.
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页码：1 / 6
页数：6
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