Productive Agriculture is a book written by John H. Gehrs and originally published in 1917. The book is a comprehensive guide to the principles and practices of modern agriculture, with a focus on increasing productivity and efficiency. In the book, Gehrs covers a wide range of topics, including soil management, crop rotation, fertilization, irrigation, pest control, and animal husbandry.The book is divided into several sections, each of which focuses on a different aspect of agriculture. The first section covers the basics of soil management, including soil types, soil fertility, and soil testing. The second section focuses on crop rotation, including the benefits of crop rotation and how to plan an effective crop rotation system. The third section covers fertilization, including the different types of fertilizers and how to apply them.The fourth section of the book covers irrigation, including the different types of irrigation systems and how to design and install an irrigation system. The fifth section covers pest control, including the different types of pests and how to control them using both chemical and non-chemical methods. The final section of the book covers animal husbandry, including the care and management of livestock and poultry.Overall, Productive Agriculture is a comprehensive guide to modern agricultural practices, providing farmers and agricultural professionals with the knowledge and tools they need to increase productivity and efficiency on their farms.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world’s literature in affordable, high quality, modern editions, that are true to their original work.