CONTEXTS 



Page. 



Introduction 11 



Topography 12 



Coast region 14 



Higli plateau or steppe region 15 



Desert region 16 



Climate - 18 



Coast region 19 



Temperature. .■ 19 



Humidity 22 



Precipitation 22 



Wind 24 



High plateau region - 25 



Desert region 26 



Temperature 26 



Humidity 27 



Precipitation 28 



Irrigation ^ 29 



Coast regii m 31 



High plateau region 36 



Desert region 36 



Soils ' 38 



Coast region 39 



Littoral zone 39 



Valley and plain zone 39 



Mountain zone - 40 



High plateau region 41 



Desert region 41 



Saline soils 42 



Coast region 43 



Desert region 45 



Soil management 46 



Rotations 46 



Fertilizers 4 / 



Preparation of the land 48 



Clearing and leveling 48 



Plowing 48 



General economic conditions 49 



Historical and political 49 



Land values 50 



Farm labor 50 



Agriculture of the native population 52 



Among the Arabs 52 



Among the Kabyles 52 



Among the Saharans - 54 



Crops of the colony 55 



Geographii-al distribution 56 



Coast region 56 



Littoral zone 57 



Valley and plain zone 57 



Mountain zone 58 



High plateau region 59 



Desert region 59 



7 



