The Biography of Wheat pdf epub mobi txt 電子書下載 2024

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Lackey, Jennifer

Crabtree Pub Co

2007-3

$ 30.06

SAL

9780778724957

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发表于2024-11-13

The Biography of Wheat epub 下載 mobi 下載 pdf 下載 txt 電子書下載 2024

The Biography of Wheat pdf epub mobi txt 電子書下載 2024

圖書描述

One of the first plants to be cultivated by farmers, wheat as a staple food source made permanent settlements possible. It also inspired the creation of early trade networks. Children will learn how one of the world's most important food crops is grown, harvested, sold, and processed into food products. Topics explored include- how the world's population grew with the advent of wheat-growing societies- how the plow, seed drills, and the tractor increased crop yields- how sea bird droppings were used as the first fertilizer- how the wheat farms of North America became a Dust Bowl during the Great Depression of the 1930s- how wheat is farmed and sold around the world today

The Biography of Wheat 下載 mobi epub pdf txt 電子書