CONTENTS XVU 



PAGB 



Importance of testing vitality of seed, p. 197; 

 Germination, p. 198; Treatment of seed, p. 198; 

 Method of testing seed, p. 199 ; Seed from differ- 

 ent parts of the ear, p. 200. 



CHAPTER XII.— ^LVIZE. 



I. CLIMATE. 



Limited Distribution 201 



Causes limiting distribution, p. 202 ; Influence of 1 



temperature, p. 204 ; Influence of climate upon | 



habit of growth, p. 205 ; Influence of climate upon j 



varieties, p. 205 ; Influence of climate upon com- : 



position, p. 206. j 



Need of Water 207 , 



Influence of rainfall, p. 207. 



II. SOIL AND ITS AMENDMENTS. ; 



I 



Soil 208 



Rotation, p. 209 ; Continuous cropping of maize, p. 1 



209 ; Maintaining the crop producing power of the ! 



soil, p. 2 1 1 ; Influence of organic matter, p. 2 1 1 ; ; 



Application of stable manure, p. 212; Use of com- j 



mercial fertilizers, p. 213; Relative importance 1 



of fertilizing constituents, p. 213; Methods of 

 applying fertilizers, p. 214; Influence of season on 

 efficiency of fertilizers, p. 214. 



Use of Lime 215 



Indication of need of lime, p. 215; Application of , 



lime, p. 216. i 



Irrigation , «I7 1 



