Creating Abundance pdf epub mobi txt 電子書下載 2024

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Olmstead, Alan L./ Rhode, Paul W.

2008-9

480

$ 105.09

9780521857116

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发表于2024-11-28

Creating Abundance epub 下載 mobi 下載 pdf 下載 txt 電子書下載 2024

Creating Abundance pdf epub mobi txt 電子書下載 2024

圖書描述

This book demonstrates that American agricultural development was far more dynamic than generally portrayed. In the two centuries before World War II, a stream of biological innovations revolutionized the crop and livestock sectors, increasing both land and labor productivity. Biological innovations were essential for the movement of agriculture onto new lands with more extreme climates, for maintaining production in the face of evolving threats from pests, and for the creation of the modern livestock sector. These innovations established the foundation for the subsequent Green and Genetic Revolutions. The book challenges the misconceptions that, before the advent of hybrid corn, American farmers single-mindedly invested in labor-saving mechanical technologies and that biological technologies were static.

Creating Abundance 下載 mobi epub pdf txt 電子書