Describes various types of birdhouses, where to place them, how to maintain them, and how to protect them against enemies of birds.

"Cover crops are crops sown or planted in thick stands for the purpose of protecting and enriching the soil.... That the use of cover crops is a most efficient means for preventing soil erosion and increasing soil fertility is well known; yet this practice is not nearly so widely and extensively followed as it should be. The kinds of cover crops that should be used and the method of utilizing them to the best advantage varies in different regions, according to climatic conditions but almost everywhere cover cropping in some form can be profitably followed." -- p. 1. The bulletin considers cover crops as either legumes or non-legumes.

Revised edition. "Tractor plowing usually requires methods of laying out the land different from those followed when plowing with horses and an ordinary plow. Farmers plowing with a tractor for the first time are often at a loss for the most satisfactory methods of laying out their fields.... This bulletin describes the more common methods recommended by farmers who use tractors for plowing. Among these will be found methods suited to laying out fields of different shapes." -- p. ii

Revised edition. "Loco weeds are poisonous plants that have caused heavy losses of horses, cattle, and sheep in some parts of the West and Southwest. Three plants are known definitely to be locoes, a few others are probably injurious, and some suspected ones are harmless. The loco plants, their distribution, characteristics, and effects upon animals eating them, are described in this bulletin. Illustrations of the plants and of poisoned animals accompany the descriptions." -- p. ii

Revised edition. Report discussing the incidence of tuberculosis in cattle and efforts necessary to detect, control, and eradicate it. Includes discussion of causes, symptoms, diagnostic methods, the tuberculin test, and best methods for eradication and prevention.