Experiments With Kherson and Sixty-Day Oats (Classic Reprint)

Experiments With Wheat, Oats, and Barley in South Dakota (Classic Reprint)

Digestion Experiments With Sheep and Steers (Classic Reprint)

Experiments With Wheat, Oats, and Barley in South Dakota (Classic Reprint)

Varietal Experiments With Wheat, Oats, Barley, Rye, and Buckwheat

Fertilizer Experiments With Greenhouse Lettuce and Tomatoes (Classic Reprint)

Irrigation Experiments With Pears and Apples (Classic Reprint)

Experiments With Emmer, Spelt, and Einkorn (Classic Reprint)