916 EXPERIMENT STATION RECORD. 



Miitl properties, classification, and ntilization of soils, fertilizers and manui*es, 

 crop rotation, soil deterioration, and soil fertility as a national asset. 



" I'art II consists of descriptions of the soil provinces, soil series, and soil 

 types, the last particnhirly from the standpoint of croj) adaptation. The 

 extent and the distriiiution of the soils of the T'nited States are also shown, 

 and the whole irives the complete classilication of soils u]) to January 1, 190H." 



The report is accomi)anie(l by a niaj) showintr the soil provinces in colors. 



Soil investig-ations of the experimental fields at Aarslev Experiment Sta- 

 tion, II. K. CiiKiSTENSKN ( 7'/</,s<s7i/-. Liuulbr. I'lantcavl, 15 {IDOSj, No. S, pp. 

 383-JiOti, dgms. 5). — The investigations included mechanical and chemical analy- 

 ses of 78 samples of surface soil and of 31 subsoil samples taken from three 

 different fields. " BioloKical lime determinations," according to the Azotobacter 

 method of the author (E. S. II., 18, p. 720), were also made in 30 samples of 

 surface soil. The methods of sampling and analyses followed are described in 

 detail in the report, and the results briefly discussed. 



Data of analyses of some wet soils of lower Friuli and notes on their 

 suitability for crop production, A. Caratti and Z. Bonomi {Ann. R. Staz. 

 »S/Kv. Agr. Udine, 9 (1908), pp. 57-72). — A considerable area in the lower part 

 of the province of Friuli is swampy and unfit for agricultural use. In con- 

 nection with a project for draining this area, the authors took samples of soils 

 at various points. The analyses of'these samples are given, with some obser- 

 vations on the probable advance iu value of the lands affected if the proposed 

 drainage scheme is carriei out. 



Analyses of soils from the Eden district, F. B. (Juthrie (Agr. Oaz. N. 8. 

 Wuhs, 19 {190S), No. 10, pp. ■S.W-8.'/-'/ ) .— Data regarding the physical and 

 chemical properties of 9 samples of different kinds of soil from different parts 

 of this district of New South Wales are reported and briefly discussed, par- 

 ticularly with reference to the improvement of the soils. 



The meaning' and value of the chemical analysis of soils, R. D. Watt 

 (Transvaal Agr. Jour., 7 (1908), No. 25, pp. 'fO-'/'i). — The terms used in stating 

 soil analyses are defined and explained, and the average com])osition of 100 

 typical Transvaal soils examined during 11)07 and 1908 is given as follows: 



Per cent. 



Stones removed by 3 nmi. sieve 2. 59 



Analysis of air-dry fine eai'th — 



Moisture 2.400 



Loss on ignition (organic matter, etc.) 5.840 



Insoluble matter (sand, etc.) 79.880 



Oxid of iron and alumina 11.090 



Lime . 240 



Magnesia .150 



Potash .190 



Phosphoric acid .055 



Total 99. 845 



Nitrogen 0.1140 



"Available " potash . 0113 



"Available" phosphoric acid .0069 



The absorptive capacity of some Russian soils and of their finest particles 

 as related to their composition, I. I'. Zholtsinski iZhur. Opttitn. Agron.- 

 [RuKH. Jour. Expt. Landw.], 9 (1908), No. 2, pp. 129-225).— The experiments 

 were made with three kinds of soils — a chernozem, a red soil, and a podzol 

 (bleisand). 



