Field crops. T33 



Hardwood timber lands, D. A. Wallace (Ht. Paul, 1907, pp. Jf6, figs. 35). — 

 This book discusses the peculiarities and the characteristics of the cut-over 

 timber lands in northeastern Minnesota, northern Wisconsin, and the T^i)i)er 

 Peninsula of Michigan, and points out in a popuhir manner the agricultural 

 possibilities of these regions. 



Forag-e crops, E. B. Yoorhees (New York and London, 1907, pp. XIII -{- 38.'i, 

 fi(j>: 63). — Brief and practical suggestions are given for the growing and using 

 of forage crops, with special attention to soiling crops and to rotations furnish- 

 ing a continuous supply of forage throughout the gi'owing season. The different 

 subjects discussed are forage crops for hay, for land improvement, and for soil- 

 ing, permanent meadows and pastures, straw cereals and green forage grasses, 

 millets and teosinte, Kafir and Durra corns, sweet sorghum, maize, leguminous 

 forage crops, crop mixtures, alfalfa, the clovers, root crops, the cal)bage tribe, 

 and Bernmda and brome grass. 



The concluding chapter of the book presents in tables the average composition 

 of feeding stutfs, the fertilizer ingredients of fodders and feeds, and the coerti- 

 cients of digestibility of feed stuffs. 



Practical farming, S. W. Allerton {[Chicago], 1907, pp. 12'/, pi. /). — This 

 book consists of short notes on numerous and varied farm topics, including the 

 culture and uses of all the common cereal and forage croi)s. 



Cyclopedia of American agriculture. Crops, L. II. Bailey et al. (New 

 York. 1907, vol. 2, pp. XVI + 099. pis. 2.',, Jigs. 907).— The first volume of this 

 work has been noted (E. S. II., 18, p. 1088). 



In this second volume part 1, comprising 7 chapters, is devoted to the plant 

 and its relations, including its structure and physiology, insects and diseases, 

 plant breeding, plant introduction, crop management, weeds, growing jilant?. 

 under cover, and seeding, planting and yields. Part 2 treats of the manufacture 

 of crop products, one chapter discussing preserved products and a second chapter 

 juices and liipiors. and part 3, whicli constitutes about five-sevenths of tlie 

 entire volume, consists of special articles on the culture and uses of North 

 American field crops. These articles are contributed by specialists in the vari- 

 ous lines of work. 



Report of coast land experiments, J. M. Jenkins (South Carolina Sta. Bui. 

 133, PI). 10). — This bulletin tabulates without comment the yields of different 

 field and forage crops obtained at the Clemson College coast land ex]ieriment 

 station in lUm. 



Peruvian alfalfa: A new long-season variety for the Southwest, C. J. 

 Brand il'. S. Dcpt. Agr., liiir. I'lant Indus. Bui. //S, pp. 3.'). jils. 3. figs. 12).— 

 The seed of a I'eruvian strain of alfalfa was presented to this Department by a 

 firm in Chile, and a study of the resulting crops has led to the conclusion that 

 the strain is sufficiently different from all other alfalfas to constitute a distinct 

 l)otanical variety. It was found that this variety grows more rapidly, makes 

 quicker recovery after cutting, begins growth earlier in spring, and continues 

 growth later in autumn than common alfalfa. This results in one or two addi- 

 tional cuttings each year, and also in a greater yield from each cutting due to 

 its vigorous growth. The zero point of this strain or the mean temperature 

 above which growth begins in spring and below which it ceases in autumn was 

 found to be unusually low. 



The results of these investigations are considered as appearing to substantiate 

 the view that cultivated alfalfa is not one homogeneous species, but is composed 

 of numerous strains, varieties, or even subspecies. A technical description is 

 given of the new variety and the conditions under which it originated are dis- 

 cussed. The name proposed for it is Mvdivago aativa vur, polia. 



