Wastewater sludge and sludge biochar addition to soils for biomass production from Hyparrhenia hirta

被引:12
作者
Hossain, Mustafa K. [1 ,2 ]
Strezov, Vladimir [1 ]
McCormick, Lester [3 ]
Nelson, Peter F. [1 ]
机构
[1] Macquarie Univ, Fac Sci & Engn, Dept Environm Sci, N Ryde, NSW 2109, Australia
[2] Elizabeth Macarthur Agr Inst, NSW Dept Primary Ind, Menangle, NSW 2568, Australia
[3] NSW Dept Primary Ind, Calala, NSW 2340, Australia
关键词
Coolatai grass; Wastewater sludge; Biochar; Nutritive value; NUTRITIVE-VALUE; BIOAVAILABILITY;
D O I
10.1016/j.ecoleng.2015.05.014
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
The aim of the study was to determine the performance of sludge biochar compared to unprocessed wastewater sludge on production of Coolatai grass (Hyparrhenia hirta) as a potential forage and energy crop species. Pot trials were conducted to determine the nutritive quality and yield of Coolatai grass using chromosol soil amended with wastewater sludge and sludge biochar. The application of biochar combined with fertiliser was found to have the highest effect on the yield producing more than double of the plant dry matter comparing to unamended chromosol soil conditions. The combination of biochar and fertiliser treatment also increased some of the important chemical characteristics of Coolatai grass, such as the metabolisable energy and crude protein composition compared to control, wastewater sludge and fertiliser treatments. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码:345 / 348
页数:4
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