No. 2, September, 1920] AGRONOMY 161 



1178. McDiarmid, R. W. Grain sorghums in northern districts. Agric. Gaz. New 

 South Wales 31: 17-18. 1920. — Satisfactory results were obtained at Pallamallawa and Ten- 

 terfield with 5 varieties of Andropogou sorghum, used both as green feed and for grain pro- 

 duction. The maximum yield of grain was 28 bushels per acre from Kaoliang, which was also 

 the earliest variety. — L. R. Waldron. 



1179. McKay, J. W. Assam Experiment Station. Rept. Karimganj Agric. Exp. Sta. 

 1918-19: 1-16. 1919. — Annual report of Director of the Assam Experiment Station, recording 

 progress in methods of cultivation and selection of promising varieties of commonly culti- 

 vated field crops. — Winfield Dudgeon. 



1180. Menges, Fra.vklin. Report on soils and crops. Bull. Pennsylvania Dept. Agric. 

 I 1 : 111-114. 1918. — Some brief considerations of the conditions favoring the conservation of 

 food materials in the soil and what may be expected by a proper supplementation of them. — 

 C. R. Orton. 



1181. Miege, E. Le deslnfection du sol. [The disinfection of the soil.] Prog. Agric. et 

 Vitic. 74: 133-140. 1920— See Bot. Absts. 5, Entry 2284. 



1182. Mieville, R. Note sur le theier sauvage du Phou-Sang Region du Tranninh (Haut- 

 Laos). [Note on the wild tea of Phou-Sang.] Bull. Agric. Inst. Sci. Saigon 2: 87-99. 1920. 



1183. Mitscherlich, Eilh. Alfred. Zum Gehalt der Haferpfianze an Phosphorsiiure 

 und seinen Beziehungen zu der durch eine Nahrstoffzufuhr bedingten Ertragserhohung. [On 

 the phosphoric acid content of the oat plant and its relation to the increased yield resulting from 

 addition of nutrients.] Jour. Landw. 67: 171-176. 1 fig. 1919. — The law which Pfeiffer and 

 others believe they have established is not confirmed by these investigations. — C. E. Leighty. 



11S4. Munter, Dr. Pflanzenanalyse und Diingerbedurfnis des Bodens. [Plant analysis 

 and fertilizer requirement of the soil.] Jour. Landw. 67: 229-266. 1919.— See Bot. Absts. 5, 

 Entry 2275. 



1185. Myers, C. H. The use of a selection coefficient. Jour. Amer. Soc. Agron. 12: 

 106-112. 1920.— See Bot. Absts. 5, Entry 1590. 



1186. Nelson, Martin, and L. W. Osborn. Report of oats experiments 1908-1919. 

 Arkansas Agric. Exp. Sta. Bull. 165. 32 p., 2 pi. 1920. — Thirteen tables are given showing 

 yields of 45 varieties of fall seeded and spring seeded oats under different dates of sowing and 

 different rates of seeding. Tests were carried on in different sections of the state upon various 

 types of soil. Recommendations are made of varieties adapted to different sections of the 

 state and as to the cultural methods to be followed. — John A. Elliott. 



1187. Nelson, Martin, and Edgar A. Hodson. Varieties of cotton, 1919. Arkansas 

 Agric. Exp. Sta. Bull. 166. 8 p. 1920. — Five tables are given showing the rank in seed cot- 

 ton, lint production, seed production, and value of lint per acre of from 8 to 25 varieties, tested 

 in various parts of the state, on different types of soil. — John A. Elliott. 



118S. Olivares, Daniel. Cultivo del lupulo. [Cultivation of hops.] Revista Agric. 

 [Mexico] 3 : 374-378. Ibid. 4 : 12-16, 62-64. 2 fig. 1919.— An account of the importance and 

 possibilities of hops as a crop in Mexico giving details, botanical description, varieties, culti- 

 vation, fertilizers, manner of harvesting and yields. — John A. Stevenson. 



1189. Ortiz, Ruben. Rotacion y alternacion de los cultivos. [Rotation and alternation 

 of crops.] Jalisco Rural [Mexico] 2: 61-64. 1920. — Popular r£sum6 of reasons for crop rota- 

 tions. A series of rotations suitable for Mexican conditions is given. — John A. Stevenson. 



1190. Oswald, W. L. Cooperation between the seed analysts and the seed trade. Proc. 

 Assoc. Official Seed Analysts 1919: 38-41. 1919. 



