116 AGRONOMY [BoT. Absts., Vol. VIII, 



seed-coat and a white, dark -bordered hilum. It is 10 mm., long, 6 mm. wide, and 3-5 mm. 

 thick. The bean was found to contain 11 per cent of water, 89 per cent of dry substance, 

 85 per cent of organic substance, 34 per cent of crude protein, 2 per cent of fat, 46.4 per cent 

 of nitrogen-free extract, 3.5 per cent of crude fiber, and 3.6 per cent of ash. After treating 

 with water and then boiling, the contents were found to consist of 69.5 per cent of water, 

 30.5 per cent of dry substance, 29.6 per cent of organic substance, 10 per cent of crude protein, 

 0.35 per cent of fat, 18 per cent of nitrogen-free extractive matter, 1.16 per cent of crude fiber, 

 and 0.9 per cent of ash. After boiling with sodium carbonate the respective figures were 

 75.1, 24.9, 24.1, 7.9, 0.17, 15.2, 0.82, and 0.8 per cent.— fl". Engelhardt. 



784. Groud, Charles. Ramie and textile nettles as paper fiber. Paper 26^': 15-16, 30. 

 1920. (Translation from Le Papier, April, 1920.] 



785. GuzMANES, Antonio. La inmersion de las semillas en liquidos nutritives. [Soak- 

 ing seed in nutritive solutions.] Informacion Agric. [Madrid] ID: 480-481. 1920. — Seed barley 

 soaked in a solution of ammonium nitrate or in a solution of potassium nitrate for various 

 lengths of time gave lower yields than untreated seed. — John A. Stevenson. 



786. GuzMANES, Antonio. El cultivo del arroz en Valencia. [Rice cultivation in Val- 

 encia.] Informacion Agric. [Madrid] 10: 453-457. 8 fig. 1920. 



787. Harris, F. S. The American sugar-beet seed industry. Sugar 22: 68-69, 81. 5 

 fig. 1920. 



788. Heim, F., J. Maheu, and L. Matrod. Suitability of bagasse as a source of paper. 

 Paper 26": 11-14, 36. U fig. 1920.— [Translation from La Papeterie 62: June-July, 1920.] 

 A complete description of the histology of the stem, giving dimensions of the elements, the 

 chemistry and microchemistry of the fiber, and properties and uses of pulp obtained there- 

 from. — H. N. Lee. 



789. HoDSON, E. A. Results of seven year's selection in Trice cotton. Arkansas Agric. 

 Exp. Sta. Bull. 171. 27 p., 10 fig. 1920. — Seven years of continuous selection in Trice 

 cotton showed that wide fluctuations occurred which emphasize the need of continuous selec- 

 tion in order to preserve the characters of the strain. — John A. Elliott. 



790. Jones, D. F, Produccion de semillas para sembrar. [Seed production.] El Agri- 

 cultor [Santigo, Chile] 5 : 7-12. 8 fig. 1920. — [Reprinted from La Hacienda.] 



791. Jones, J. S., C. W. Colver, and H. P. Fishburn. The protein content of wheat 

 grown with irrigation. Jour. Agric. Sci. 10: 290-332. Fig. 1-11. 1920.— The published data 

 on the subject of protein content of wheat are very conflicting and the authors conducted 

 a series of experiments during the years 1910-1916, inclusive, in an attempt to elucidate the 

 problem. The work was carried out at Gooding, Idaho, in the Snake River valley. This 

 is a region of low precipitation and for this reason the water applied to the crop as irriga- 

 tion water was practically all that it received. Soils used varied from raw sagebrush land 

 to that cultivated under rotation with legumes and other crops. Analyses of the nitrate 

 and other mineral content of the soils were made and the effects of cropping, rotation, leach- 

 ing, etc., were determined. Both the grain and the flour produced were analyzed through- 

 out the experiments. Authors' results do not coincide with those obtained in many other 

 experiments. They find that in general the wheat grown in the Snake River plains is soft, 

 starchy, and low in protein content and of low value for milling purposes. It should not be 

 assumed, however, that irrigation is the controlling factor in determining the protein con- 

 tent of wheat. Raw sage-brush soils, the nitrogen content of which is always low, produce 

 wheat low in protein content regardless of the amount of water applied. As soon as such lands 

 are cultivated to wheat in a rotation with alfalfa or red clover, a much better quality of 

 wheat is produced, as such soils have a relatively higher nitrogen content and the protein 



