有機農業と従来の農業の収穫量を比較する
Verena Seufert1, Navin Ramankutty, Jonathan A Foley
1Department of Geography and Global Environmental and Climate Change Center, McGill University, Montreal, Quebec H2T 3A3, Canada. verena.seufert@mail.mcgill.ca
Nature
|April 27, 2012
まとめ
オーガニック農業は通常,従来の農業よりも少ない収穫量をもたらしますが,その違いは作物の種類,管理,環境条件によって大きく異なります. 持続可能な食品生産のために有機生産量を最適化するためにさらなる研究が必要である.
科学分野:
- 農業科学 農業科学とは
- 環境科学 環境科学
- エコロジー エコロジー エコロジー
背景:
- 世界的な食糧システムは,環境への影響を最小限に抑えながら,増加する人口を養うための圧力に直面しています.
- 有機農業は持続可能な解決策として提案されていますが,従来の方法と比較して,生産性に関する懸念があります.
研究 の 目的:
- 総合的なメタ分析を行い,有機農業と従来の農業システムの全世界の収穫パフォーマンスを比較する.
- 有機農業と従来の農業の収穫の違いに影響を与える要因を特定する.
主な方法:
- 有機農業と従来の農業の収穫量に関する既存のデータのメタ分析.
- システムと場所の特徴に基づく収穫量の変動の分析.
主要な成果:
- 全体として,有機農業の収穫量は,通常,従来の農業の収穫量よりも低い.
- 収穫の格差は,作物の種類,土壌条件,管理方法などの要因によって5%から34%の範囲にあります.
- 最適な条件下では,有機生産量は従来の水準に近づくことができる.
結論:
- 有機農業の収穫可能性は,非常に文脈的であり,特定の管理と環境要因の影響を受けます.
- オーガニックの収穫を制限する要因を理解し,対処することは,持続可能な食品生産におけるその役割にとって極めて重要です.
- 有機農業のより広範な社会的,環境的,経済的利益のさらなる評価は正当化されています.
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