关 键 词 : 能 源 作 物 ; 膏 桐 ; 成 本 收 益 ; 替 代 性 [gap=1063]Key words: energy crop s; jatropha; net income; substitution capacity
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energy crop s
能源作物
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Lehmann's current crop of income securities are Canadian energy trusts, yielding more than 10%.
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All organic crop rotations contain three to four years of no ploughing because grass leys use the sun's energy to fix nitrogen for subsequent crops in place of oil-based artificial fertiliser.
ECONOMIST: Organic matter
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