Libros de ennemis des cultures

The cabbage-root maggot (Phorbia brassicæ Bouche)

Atlas des pucerons piégés dans les champs agricoles

Farming and gardening made easy, or, Plain instructions in agriculture, horticulture, &c., by following which, Canadian thistles can be destroyed, potatoes preserved from the rot, wire-worms killed, and peas kept free from bugs & worm-holes