April, 1920] AGRONOMY 131 



890. McClelland, C. K. The velvet bean. Georgia Agric. Exp. Sta. Bull. 129: S3-98. 

 Fig. 1-6. Feb., 1919. — A short history of the introduction and origin of varieties]of tin: Velvet 

 Bean (Stizolobium sp.), also notes on culture and uses. The better known varieties discussed 

 are Florida, Georgia or Early Speckled, Alabama or Medium Early Speckled, Chinese, 

 Osceola, Yokohama and Lyon. — T. II . McIIatlon. 



891. Anonymous. The world supply of cereals. New Zealand Jour. Agric. 18: 218. 1919. 

 — Gives a survey of the situation from the standpoint of estimates and forecasts based on in- 

 formation supplied by Sir J. Wilson, New Zealand representative in the International 

 Institute of Agriculture of Rome. — E. R. Hodson. 



592. McTaggart, A. Means for increasing agricultural production in New Zealand. 

 New Zealand Jour, of Agric. 18: 140. 1919. — Discusses well-known methods in their appli- 

 cation to New Zealand conditions. — E. R. Hodson. 



593. McTaggart, A. Rotation of crops. New Zealand Jour. Agric. 18: 83. 1919.— 

 Discusses the reasons and need for rotation and its advisability for New Zealand conditions. 

 — E. R. Hodson. 



894. Dibble, W. Forage crops. New Zealand Jour. Agric. 18: 169. 1919. — Discusses 

 the kind of crops and methods of treatment for both summer and winter forage plants. 

 — E. R. Hodson. 



895. Anonymous. Estimated yield of wheat and oat crops. New Zealand Jour. Agric. 

 18: 128. 1919. — Gives estimated yield of these crops for 1918-19 compiled by the Government 

 statistician from reports furnished by the field inspectors of the Department of Agriculture. 

 — E. R. Hodson. 



896. Anonymous. Lucerne experience. New Zealand Jour. Agric. 18: 213. 1919. — The 

 article deals with soils and localities suitable to lucerne. Among the results noted are the 

 experiments on pumice or volcanic ash from the eruption of 1886. — E. R. Hodson. 



897. Anonymous. Areas under principal crops. New Zealand Jour. Agric. 18: 58. 1919. 

 — Gives in tabular form the areas under the principal arable crops in New Zealand at five year 

 intervals since 1900; also tabular data on unimproved land and on tenure of occupied land. — 

 E. R. Hodson. 



898. Merchan, A. Informe sobre tratamiento electrico de semillas antes de la siembra. 

 [Electric seed treatment.] Revist. Agric. Com. y Trab. 2: 199-201. 1919.— See Bot. Absts. 

 3, Entry 1251. 



899. Barthe, A. E. Cultivo industrial de la higuereta. IV. La cria del gusano de seda 

 del Ricino (Attacus ricini Boisdv.). [Castor bean as food for the castor silk-worm.] Revist. 

 Agri . Com. y Trab. 2: 161-169. 2 pi, fig. 1-8. 1919. 



900. Aston, B. C Improvement of poor pasture. New Zealand Jour. Agric. 18: 15-27. 

 1919. — After a brief review of the Cockle Park experiment, in England in 1896, on the Duke 

 of Portland's estate near Morpeth, Northumberland, the author describes similar experi- 

 ments in New Zealand where phosphorus produced considerable improvement in the carrying- 

 capacity of the pasture. In 1917 on the Wallaceville Laboratory Farm an experiment on pas- 

 ture treatment was undertaken, analyses of the soil made and seven lots laid off into five sVacre 

 plots and fenced. Finely ground Makatea Island rock phosphate containing about 85 per cent 

 tricalcic phosphate applied at the rate of 5 cwt. per acre together with 3 tons of rather coarse 

 limestone rejections from the Mauriceville quarry, produced the greatest amount of grass, 

 while lime alone made a marked improvement over the control lot. In 1918, after six months 

 grazing the control lot was carrying only 8 sheep, while the paddock receiving ground Maka- 



