152 



Double sulphate of potash and mag- 

 nesia, 92. 



Double superphosphate, 86. 



Drainage, 20; losses from, 26. 



Dry matter, composition of in plants, 

 8. 



Elements sometimes lacking in the 

 soil, 16; obtained from air and 

 water, 16; present usually in 

 sufficient amounts, 16. 



Erosion, 25 ; ways to check, 25. 



Essential elements, 16: replacing of, 



I/- 



Fallowing, 26. 



Farm manures, chapter on, 35 ; 

 amount to apply, 46; analyses of, 

 39; bacteriological effect of, 

 46; benefits grass land, 45: care, 

 preservation and use of, 40 : 

 composition of covered and un- 

 covered, 44 : composition of fresh 

 and rotted, 43 : composting, 42 : 

 conditions affecting value of, 35 : 

 effect of fresh and exposed man- 

 ure on crop production, 46 ; effect 

 of kind and amount of bedding 

 used on value of, 36; effect of 

 on mangolds with other ferti- 

 lizers, 45 ; effect of leaching on, 

 40; effect of nature and amount 

 of feed on, 39; fermentations in. 

 41 ; how to apply, 47 ; how to 

 calculate amount produced, 39 : 

 improves the texture of soil, 

 45; influence of age of animal 

 on value of, 35 ; influence of 

 use of animal on value of, 33 : 

 keep manure moist, 42; kinds of 

 manure, 35 ; lasting effect of, 40 ; 

 physical effects of, 44; preserva- 

 tives, 44; prevents mechanical 

 loss by winds, 45 ; produces a 

 better moisture condition, 45 : 

 store under cover, 43 : time to 

 apply, 46: waste of, 40. 



l""eather waste, 61. 



Fertilizers, chapter on, 112; a few 

 remarks about, 134; agricultural 

 values of, 121 ; amount to use, 

 142; brand and trade names of, 

 134; calculations on, 131, 132; 

 commercial values of, 122; de- 

 terioration of on storage, 137 ; 

 elements required for crops, 

 table of, 143 ; how applied, 139 ; 

 how to purchase, 136 ; is it profit- 

 able to use, 141 ; time to apply, 

 137; trade values of, 123: valua- 

 tion of, chapter on, 119. 



Fertilizer laws, 115. 



Fertilizer materials, low grade, value 

 of, 64: basis of purchase, 114; 

 how to mix it at home, 130: how 

 to purchase, 130: used by manu- 

 facturers, 114. 



Filler. 1 28. 



Fish, dry ground, 54, 72. 



Fish scrap, fresh, 100. 



Formulas for crops, 143. 



Garbage tankage, 63. 



Gas lime. 107. 



(^.recn manures, 108; classes of, 108: 

 deep rooted plants valuable, in : 

 leguminous crops preferable for. 

 109; the best time to grow, no; 

 the best time to plow under, 109. 



Guanos, how deposited. 55: nitrog- 

 enous, 55 ; phosphatic, 76. 



Guarantee of fertilizers, 116, 117, 118; 

 examples of, 116; fertilizers 

 should reach their guarantees, 

 136; interpretation of, 116: mean- 

 of, 116: study the guarantee, 136. 



Gypsum, 81, 108. 



Hair and fur waste, 61. 



Hen manure, 39; analysis of, 39. 



Hog manure. 38: analysis of, 39. 



