Biochar: a sustainable approach for water stress and plant growth

被引：7
|
作者：
Pradhan, Snigdhendubala [1 ]
Mackey, Hamish R. [1 ]
Al-Ansari, Tareq [1 ,2 ]
McKay, Gordon [1 ]
机构：
[1] Hamad Bin Khalifa Univ, Qatar Fdn, Coll Sci & Engn, Div Sustainable Dev, Doha, Qatar
[2] Hamad Bin Khalifa Univ, Qatar Fdn, Coll Sci & Engn, Div Engn Management & Decis Sci, Doha, Qatar
来源：
INTERNATIONAL JOURNAL OF GLOBAL WARMING | 2021年 / 25卷 / 3-4期
关键词：
food waste; biochar; water retention; plant growth; PRODUCTIVITY; CROP; CO2;
D O I：
10.1504/IJGW.2021.119010
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
In this study, the performance of biochar produced from vegetable wastes at 400 degrees C to improve plant growth and water retention in sandy loam was evaluated at 2% and 6% biochar loading. Biochar hastened seed germination, increased plant height and number of leaves, and reduced evapotranspiration with all three plants tested. We also evaluated net greenhouse gas emissions from drying, carbon sequestration and irrigation related emission reductions. The net benefit of biochar is highly sensitive to a range of factors including irrigation source, water savings and electricity grid mix.
引用
收藏
页码：425 / 439
页数：15
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