Raising healthy tomato seedlings by Li-ju Lin, Gregory C. Luther, Peter Hanson, Tomato-Seedlings_web.pdf (1.7 MiB) - An illustrated guide to raising healthy tomato seedlings
Protocols for Fruit, Leaf and Bulb Type Vegetable Cultivar Testing by Dinssa FF, Mbwambo O, Macharia J, Aloyce A., Shilla Oshingi, International-Cooperators-Guide_rev1.pdf (3.7 MiB) - Protocols for vegetable crop trials