FIELD CROPS. 203 



The action of red clover as a preliminary crop, H. Clausex-Heide {Dent, 

 htndw. /Ve.s.s(?, 21 {1S94), No. lU], p. (;55).— Clover seeded in rye and turned under for 

 the succeeding crop of potatoes improved Ijotli the yield and the (luality of tubers. 



Manuring with ground bone, M. 1"i,lmaxx {namhurd: L. (iriife <f- SiUcm,pp. US), 



The value of Gellivara apatite and some other phosphates for STvedish agri- 

 culture, L. F. NiLsox (Tidnkr. LamUmiin, 15 {1804), pp. 514-519). 



Lime and fertilizers, W. F. Massey(C«//. and Countnj Genf., 1894, July 26, p. 548). — 

 A popular article explaining the relation of lime and other fertilizers to nitrification 

 and to the growtli of leguminous plants. 



On the choice and use of artificial manures, F. B. Githrie {A{)1. Gaz. X. S. TT., 

 1894. Mai/, pp. 328-330). — Precautions to be observed in the purchase of manures and 

 l)opnlar directions as to the use of different kinds of fertilizers. 



On the choice and use of artificial manures, F. 15. Guthrie {Agl. Gaz. N. S. TV., 

 1894, June, pp. 419-423). — General notes on the use of burnt lime, carbonate of lime, 

 gypsum, and phosphatic manures, including steamed bone, bone meal, fermented 

 bones, and boneblack. 



The using of artificial manures in market gardening, M. Ullmaxx {Hamburg: 

 L. Griife <»■ Sillem, pp. 178). 



On the use of mineral manures {Gard. Chron., 16 {1894), ser. 3, pp. 154, 155). — A 

 repoit on the use in the garden of (1) nitrate of potash; (2) phosjihate of potash; (3) 

 nitrate and phosjihate of potash; (4) Wagner's flower and garden manure (phos- 

 phoric acid 13 per cent, potash 11, nitrogen 13); Albert's garden manure (phos- 

 ]thoric acid 16 per cent, potash 20, and nitrogen 13), and Albert's hop manure (phos- 

 ]ilinric acid 13 per cent, potash 25, aud nitrogen 13). 



Influence of the method of application of fertilizers on their utilization by- 

 plants, A. Pruxet {Rev. gin. Hot., 16 {1894), No. 66, pp. 260-269) .—See abstract E. 

 S. R.,5,p. 1091. 



The preservation of manure, Schmidt and Gerlacii {Dent, landw. Pressc, 21 

 {1894), jN'o. 62, pp. 597, 598). — The results of experiments conducted in 1893-'94. 



FIELD CROPS. 



Alfalfa, (J. L. Ingersoll {Nebraska Sta. Bill. 35., pp. 163-177, pi. 1). — 

 Eelative yield of alfalfa and other forage plants, notes on the history 

 of alfalfa, ilescription of the i)lant, direction for cultivation, composi- 

 tion of alfalfa, aud letters from growers of alfalfa in Nebraska. The 

 yield of alfalfa ou the station farm was at the rate of IL',720 lbs. of hay 

 per acre secured iu 3 cuttings. 



The following- table gives the yield iu 1893 of hay from alfalfa at the 

 first cutting, and from other plants grown in comparison with it: 



Yield of ha;/ per acre. 



Pounds. Pounds. 



Jime clover 2, 365 Orchard grass 2, 390 



JSIammoth clover.. 2,375 Timothy grass 2,800 



>\],sike clover 2, 065 Red top grass 2, 3.50 



Alfalfa (first cut) 4,080 : Meadow fescue 1,875 



I'lne grass 2,875 I Tall meadow oat grass 3,00) 



Time of harvesting alfalfa, J. W. Sanborn [Utah Sta. Bui. 31, 

 pp. 1-7). — A field of alfalfa was divided into G plats and 3 crops cut 

 aud cured for hay, that ou different plats being cut before blooming, 



