226 AGEONOMY [Box. Absts., Vol. X, 



1480. Gasser, G. W. Report of work at Rampert station. Rept. Alaska Agric. Exp. 

 Sta. 1919: 30-44. PI. 3-6. 1920. — The author reports on trials and breeding of wheat, barley, 

 oats, and rye. Medicago falcata, Vicia cracca, field peas, and various garden vegetables and 

 potatoes were also grown. Most greenhouse plants fail to survive the winter as the sun dis- 

 appears entirely from late November to late January. — J. P. Anderson. 



1481. GiROLA, Carlos D. El cultivo del ricino en Argentina. [Cultivation of the castor 

 bean.] Bol. Ministerio Agric. Naci6n [Argentina] 25: 469-498. 2 fig. 1920.— The culture of 

 castor bean is well adapted to certain portions of Argentina lying between the 32nd and 40th 

 parallels. The species or type known as Ricinus sanguineus is recommended for this region. 

 Higher yields are obtained from annual plantings than where the plant is treated as a peren- 

 nial. Cultural directions from planting to harvesting are given, and methods of oil extraction 

 are considered. — John A. Stevenson. 



1482. GiROLA, Carlos D. Planta invasora-perjudicial y toxica. [An injurious and poison- 

 ous plant immigrant.] Bol. Ministerio Agric. Naci6n [Argentina] 25: 1 colored pi. (facing 

 p. 468). 1920.— This author describes Datura stramonium, the damage it causes, and methods 

 of control. — John A. Stevenson. 



1483. GiROLA, Carlos D. Planta invasora-perjudicial. [An injurious plant immigrant.] 

 Bol. Ministerio Agric. Nacion [Argentma] 25: I colored pi. {facing p. 380). 1921.— The author 

 describes Cirsium lanceolatum, damage caused by it, and methods of control. — John A. 

 Stevenson. 



1484. GiROLA, Carlos D. Sobre una leguminosa forrajera indigena. [A native legumi- 

 nous forage plant.] Bol. Ministerio Agric. Nacion. [Argentina] 25: 37.5-387. 1 fig. 1920. — 

 Meibomia leiocarpa, said to be indigenous in Argentina and Brazil, has proved satisfactory 

 as a forage crop in tropical and subtropical Argentina. It is valuable as green feed and for 

 silage. The plant is described and cultural directions are given. The feed value of the plant 

 is shown by analyses made in Argentina, Brazil, and Cuba. — John A. Stevenson. 



1485. Gir6n, Enrique Gim6nbz. Estudio sobre germinacion de semilla duras. [Germi- 

 nation of hard seeds.] Bol. Agric. Tec. y Econ. [Espana] 13 : 596-608. 3 fig. 1921.— The 

 author discusses mechanical and chemical means of increasing the germination percentage of 

 hard-coated seeds. — John A. Stevenson. 



1486. Granbl Joaquin. La avena. [Oats.] Bol. Soc. Rural Cordoba [Argentina] 20: 

 5271-5282. 1920. — This history of the cultivation of oats in Argentina includes cultural 

 directions as to soils, fertilizers, seeding, varieties, rotations, and harvesting. — John A. 

 Stevenson. 



1487. Hall, Thos. D. Moisture in maize. Jour. Dept. Agric. Union of South Africa 3: 

 80-81. 1921. — Maize harvested and stored in this climate is not ready to ship to the coast 

 before the end of July or beginning of August. A table is given showing the percentage of 

 moisture in stored maize at different dates. — E. M. Doidge. 



1488. Hartwell, Burt L. Thirty-second annual report of the director of the Rhode 

 Island Agricultural Experiment Station. Bull. Rhode Island State Coll. 15: 69-84. 1920.— 

 The report gives brief statements of the results of the experiments of 1919, grouped in part 

 under the following headings: Organic matter for the soil; efficiency of fertilizers and other 

 manures; plant differences and needs; effect of crops on each other; changing sour soils; plant 

 propagation; inheritance studies with poultry and rabbits; studies of immunity and infection. 

 —B.L. Hart^vell. 



1489. KuHNERT. Der Sonderausschuss fxir Flachsbau der D. L. G. und seine Tatigkeit. 

 [The commission for flax culture of the Deutsche Landwirtschaftliche Gesellschaft and its 

 work.] Mitteil. Deutsch. Landw. Ges. 36: 417-420. 1921.— The author briefly reviews the 



