The Sweetpotato

Guns, Germs, and Steel: The Fates of Human Societies (20th Anniversary Edition)

Virus and Virus-like Diseases of Major Crops in Developing Countries

The Devil's Element: Phosphorus and a World Out of Balance

Natural Resistance Mechanisms of Plants to Viruses

Start a Business: Best Trending Future Small Business Ideas and How to Use Them for Maximum Profit

For The Love of Hops: The Practical Guide to Aroma, Bitterness and the Culture of Hops

Virus and Virus-like Diseases of Potatoes and Production of Seed-Potatoes

Malt: A Practical Guide from Field to Brewhouse

Humic Products: Potential or presumption for agriculture

Pigs, Poultry and Poo: An Urbanite Couple's Journey to Country Life

Organic Farming: Everything You Need to Know

Trichoderma: Biology and Applications

Textbook on Fundamentals of Agronomy: Principles and practices

Horticulture: Fundamentals and Principles for Beginners