26 DOCUMENT PRICE LIST 16, STH EDITION 



YEARBOOK Continued. 

 1902 Continued. 



CONTENTS Continued. 

 284. Plants as factor in home adornment. 



289. Practices in crop rotation. 



288. Tests on physical properties of timber. 

 *287. Improvement of corn by seed selection. Paper, 5c. 



290. Fertilizers for special crops. 



291. Crops used in reclamation of alkali lands in Egypt. 



*292. Some practical results of experiment station work. Paper, 5c. 



293. Cultivation and fertilization of peach orchards. 



294. Rainfall and irrigation. 



295. Foot-and-mouth disease. 



*297. Directory for farmers. Pa^er, 5c. 



*298. Statistical matter relating to principal crops and animals, etc., 

 1902. Paper, 5c. 



299. Principal injurious insects in 1902. 



300. Agricultural periodicals in Department library, 1902. 



1903. Cloth, 75c. 

 CONTENTS : 



' Report of Secretary. 



301. Weather Bureau stations and their duties. 



314. Growing long-staple upland cottons. 



*313. United States Department of Agriculture and silk culture. 



Paper, 5c. 

 *312. Farmers' institutes. Paper, 5c. 



311. Some results of investigations in soil management. 



310. Cultivation of corn. 



309. Economic value of bobwhite. 



316. Status of Mexican cotton boll-weevil in United States in 1903. 



302. Relation of precipitation to yield of corn. 



317. Relation of cold storage to commercial apple culture. 



318. Preparing land for irrigation. 

 *331. Adulteration of drugs. Paper, 5c. 



*332. Building sand-clay roads in Southern States. Paper, 5c. 



330. Promising new fruits. 

 *329. Relation of forests to stream flow. Paper, 5c. 



328. Determination of effect of preservatives in foods on health and 

 digestion. 



307. Use of Weather Bureau records in court. 



327. Insect injuries to hardwood forest trees. 

 *326. Macaroni wheat. Paper. 5c. 



325. Cultivation of drug plants in United States. 



324. Wheat flour and bread. 



323. Model farm. 



322. Some new facts about migration of birds. 



321. Principal commercial plant fibers. 



*320. Relation of sugar beets to general farming. Paper, 5c. 

 *319. Industry in oil seeds. Paper, 5c. 



315. Recent progress in timber preservation. 

 306. Soine soil problems for practical farmers. 

 305. Progress of road building in Middle West. 



*308. Consumption of cotton in cotton States. Paper, 5c. 

 304. Nation's farm surplus. 



*303. Relations of Federal Government to control of contagious dis- 

 eases of animals. Paper, 5c. 

 *333. Directory for farmers. Paper, 5c. 

 334. Statistical matter relating to principal crops, farm animals, 



freight rates, exports, etc., in United States in 1903. 

 *335. Principal injurious insects of 1903. Paper, 5c. 



1904. Cloth, 65c. 

 CONTENTS : 



Report of Secretary. 



336. Relation of plant physiology to development of agriculture. 



337. Attitude of lumbermen toward forest fires. 



The articles starred (*) can also be obtained in separate form at the price given. 



