"The pea aphid is present wherever peas are grown in the United States and is one of the most serious insect enemies of this important food crop. It has many generations a year, and under favorable conditions large and destructive populations of the pest may develop in a relatively short time. Natural enemies cannot be depended on for effective control, and therefore insecticides must be applied when threatening infestations of the aphid develop. Several insecticides and methods for their use are discussed in this bulletin. The choice of these will depend on local conditions, including the type of machinery and insecticide available, but any of them will be effective if applied as directed." -- p. i

This bulletin discusses the cultivation of Persian clover, a forage crop for both feed and green manure in the southern United States. Fertilizer requirements and seed production are among the topics discussed.

Revised edition. "This bulletin discusses in general the ways in which conservation measures increase crop production, improve pasture and range, and maintain the productivity of the soil." -- p. i. Many of these topics are discussed with regard to the war production efforts undertaken by the federal government of the United States during the World War II Era.

"In the nation's effort to produce adequate quantities of all agricultural products to meet the war needs of the United Nations, conservation assumes added importance. Advancements in the management of croplands to conserve soil and moisture, which have come about in recent years as a result of experimentation and the experiences of many farmers, show that conservation increases crop yields. Strip cropping is one of the conservation practices. In its various forms and patterns, it is applicable to a large area of the United States. With the farmer rests the major responsibility of obtaining conservation on the land. Each farmer should examine for himself the need of strip cropping his cultivated land and in doing so should find the information contained in this bulletin helpful. The kinds of strip cropping, the factors influencing their use, methods of application, value in conserving soil and moisture, and the adaptation of strip cropping to the northeastern and north-central, the southeastern and western Gulf, the Great Plains, and the far Western States are discussed." -- p. ii