152 



INDEX. 



Page 



SimiTTier fallowinfj 101 



buiiliglit, effect of <)2 



T. 



Tap-rodts O.'J 



Temperature 44, 50 



Thermometer 44 



Tillage, deep 104 



Time to plow 10") 



Timothy grass "•'! 



Tuberous roots Vt'-i 



Turnips G:3 



U. 



Underdrains 108 



Unripe seeds 55 



Urea 138 



V, 



Valleys, cause of 30 



Value" of foods 121, V2-2 



Variety of food 12:i 



Vegetalde matter .jo 



Vegetable mold .... 35, TO 



Vegetable tissue GO 



Vegetation, carboniferous . . 3(i 

 Veins, the 137 



Page 



Vitalit}' of seeds 54 



Volatile substances 21 



W. 



Warm wave 40 



Warmth for gcrmiuat ion ... 5(1 



Water, magnilied 



in foods 118 



in the animal l)ody . . . 115 



molecule 11 



vapor 41 



Watering plants G2 



Weather, the 49 



Weeds 102 



Wetland 109 



White clovoi' 63 



Wind 34, 35, 44, 45 



Wood, composition of ... . 7 



Wood, porositv of 15 



Work, effect of 117 



Y. 



Young animals 116 



Zinc . . . 

 Zinc chloride 



11, 12 

 . 12 



