FIELD CROPS. 237 



Milo, A. Keyser and H. M. Cottrell (Colorado Sta. Circ. 7, pp. 16, fig. i).— 

 Directions for growing milo maize are followed by a discussion of its use as a 

 feed for beef and dairy cattle, calves, bogs, sbeep, and poultry. 



Oats: Growing' the crop, C. W. Warburton (U. S. Dept. Agr., Farmers' Bui. 

 Ji24, PP- H, figs. 13). — The author outlines the history of oats, describes the 

 plant, and discusses with special reference to oats and oat production, types of 

 soil, fertilizers, liming, rotations, preparation of the seed bed, cleaning, grading, 

 treating for smut, date, rate, method and depth of seeding, cultivation, spray- 

 ing to kill weeds, cutting back to prevent lodging, irrigation, cutting, shocking, 

 stacking, shock tbrashing, stack thrashing, storing, yields, cost of production, 

 seed selection for crop improvement, diseases, and injurious insects. The 

 varieties adapted to each of the different sections of the United States are 

 specified. The publications of this Department and of the state experiment 

 stations are freely cited and many of the statements are accompanied by the 

 results of experimental work substantiating them. 



Oats: Distribution and uses, C. W. Warburton (U. S. Dept. Agr., Farmers' 

 Bui. Ji20, pp. 2-J, figs. 4). — Tbis supplements the paper noted above. It gives 

 statistical figures of the production and value of the oat crop of the world 

 and of the United States, describes the market grades, summarizes data as to 

 the composition of the grain and straw, and discusses their use as food for 

 man and animals. The use of the crop for hay, pasture, soiling, as a nurse and 

 cover crop, and of its by-products are dealt with. 



Potato investig'ations, A. G. Craig (Washington Sta. Bui. 9.'i. pp. 31, figs. 

 5). — Tbe autbor outlines experimental work with potatoes under way, and 

 gives brief descriptions of those of tbe 225 varieties tested which have not been 

 discarded and a list of those unworthy of description. 



A study of the inherited tendencies in hills of several varieties indicates 

 " that the heaviest yielding hills are not always the best for seed, and that 

 . . . the number of plants in a hill must be taken into consideration." Data 

 obtained in tbis test are presented in tabular form. After the first year of the 

 test one plat of each variety was planted with large and small tubers from the 

 best hills, and another with seed from the medium to poor hills. The average 

 yields of 12 varieties were 8,185 and 6,111 lbs. of marketable potatoes per acre 

 respectively, and from 3 varieties used in tbe tbird year's work 9,426 and 

 4,583 lbs. per acre respectively. The tubers from the good hills were the more 

 uniform in size and appearance. 



Growing potatoes in Colorado, C. L. Fitch (Colorado Sta. Circ. 8, pp. 22, 

 figs. 10). — The topics discussed include trueness to type, potato growing in 

 Coloi'ado, the essentials of a good eating potato, choice of varieties, seed selec- 

 tion, running out, rotation and plowing, planting, cultivation, irrigation, har- 

 vesting, storing, the most desirable size of potatoes for seed, and dry land and 

 high altitude seed potatoes. A number of varieties are described. 



The potato: Selection of seed and cultivation, E, A. Rogers (Penn. Dept. 

 Agr. Bui. 190, pp. 81, pis. 13). — This bulletin presents general and popular in- 

 formation for the potato grower. Selection and preparation of the soil, and 

 production, fertilization, harvesting, storing, and marketing of tbe crop are 

 dealt with. Directions are given for combating insects and diseases. 



Wheat growing in Missouri, F. H. Demaree (Missouri Sta. Circ. ^3, pp. 

 65-68, fig. 1). — A discussion of wheat varieties and soils is followed by direc- 

 tions for sowing, fertilization, and the prevention of injury by smut and insect 

 enemies. 



Seed germination and separation, G. E. Stone (Massachusetts Sta. Rpt. 

 1909, pt. 2, pp. 61-64). — Germination tests for seeds of the onion, tobacco, corn, 

 lettuce, pansy, celery, and several other plants are given. 



