From the early days of humankind to today, steady technological advances have greatly changed the landscape of farming. In the United States in particular, these changes have in turn impacted the... This description may be from another edition of this product.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.