viii Contents 



PAGES 



Relation of size of beet to sugar-content ... 32 



Flowers and seeds 34 



CHAPTER IV 



CONDITIONS FOR GROWING SUGAR-BEETS . . . 36-53 

 Climatic conditions 37 



Temperature, 37 



Sunlight, 40 



Moisture, 40 



Wind, 43 



The soil 43 



Economic conditions 44 



Competition with other crops, 44 



Labor,, 45 



Capital, 48 



Transportation, 49 



Special troubles, 50 



Kind of farmers, 50 



The factory, 52 



CHAPTER V 



SOILS 54-72 



Relation of soil to beet-culture 54 



Origin of soils 56 



Classification of soils 57 



Soil and subsoil \ 58 



Soil texture -..-.- 59 



Soil structure *. 61 



Improving soil tilth 61 



Air in the soil 62 



Soil heat 63 



