FERTILISERS AND MANURES 

 BY A. D. HALL, M.A., F.R.S., 



Director of the Rothamsted Expentnental Station ; Foreifo Metubcr ol tb« 

 Royal Academy of Agriculture in Sweden. 



With Illustrations. Crown 8vo. 5s. net. 



LIST OF CHAPTERS. 



Chaptbr I. Inthoductory — II. Fertilisers Containi!«o Nitrooih— III. Thb 

 Function and Comparative Value of Nitrooknols Manures — IV. riiosniATtc 

 Manurks — V. The Function and Use or Phospmatic Fertilisers — VI. The 

 PoiAbsic Fertilisers— VII. Farmyard Manlre— VIII. Peklvian Guano and 

 othkk Mixed Fertiliskrs— IX. Materials or Indirect Pertilisino Value— X. 

 Thf.ories or Fertiliser Action— XI. Systems or Manuring CRors— XII. The 

 Valuation and Purchase of Fertilisers— XIII. The Conduct or Expirimemti* 

 WITH Fertilisers — Index. 



The Book and its Purfose.— This volume, which Is a companion volume to Mr. Hall's 

 book on " The Soil," deals not only with the history, oricin and nature of the various 

 fertilisers and manures in use in this country, but also with their cflect uf>on the yield and 

 quality of crops in practice. Much unpublished material has been drawn from the 

 Rothamsted experiments, but other series of field experiments have also bcon utilized to 

 furnish examples elucidating the principles upon which manurinj should be based. As 

 befits a book intended for the practical man as well as the student of agricultural science, 

 a good deal of attention is given to the making, value and utilization of farmyard manure, 

 while another important chapter deals with the manuring of each of the staple crops of 

 the farm according to the oburacter of the rotation in which It finds a place. 



THE SOIL 



AN INTRODUCTION TO THE SCIENTIFIC STUDY OF THE 

 GROWTH OF CROPS. 



BY A. D. HALL, M.A. (Oxon.), 



President of the Rothamsted Station (Lawes Agricultural Trust); 

 First President of the Soutb-Eastern Agricultural College. 



With Diagrams. 5s. net. 



The science of agriculture has advanced considerably since the first edition of thin l>ook 

 was published, so Mr. Hall has taken advantage of the nerd fur a reprint to produce what 

 is practically a new book. A good deal of irc^h material has been added, the Lntest 

 statistics have been included and the whole text has been thoroughly overhauled and 

 re-set, bringing everything completely up to date. 



"An excellent and up-to-date textbook. . . . The romplrtr knowle ' •■ and 



the part it plays in the nutniiuii of the plants requirek invcstigwitioii ..ie«, 



wliii h may be roii>;hly classul a!>—chrinical, physical or mecliaiucal. .i: Ic 



is exacily these wiia which the autliur deals, aud although it is in no srti^ a., cxL«i;vti\e 

 treatise, a gt lu ral uuiline lla^ been given of all the recent investigalicns which have 

 opened up so many soil problems, and turusvn new light on ditticulties that axe experienced 

 in practice."— GarJtnrri' ChrvuicU, 



