As the world’s population keeps growing, finding sources of food has become more important. Readers discover how challenging it is to produce crops that are healthy for both people and the environment. They learn the methods being used to reduce chemical pesticides, increase nutrients in the soil, and give farmers a more stable source of income.
€43.88
购买此电子书可免费获赠一本！
语言 英语 ● 格式 PDF ● 网页 48 ● ISBN 9781433949692 ● 出版者 Gareth Stevens Publishing LLLP ● 发布时间 2011 ● 下载 3 时 ● 货币 EUR ● ID 8665536 ● 复制保护 Adobe DRM
需要具备DRM功能的电子书阅读器
来自同一作者的更多电子书 / 编辑
4,785,623 此类电子书
