GENERAL INDEX. 



[cccli* 



Pluviometer 135. 

 Plows improvements in 710 

 Plowing objects of 7&quot;9, 711 

 &quot; horses tor plow iiiu 712 

 &quot; length and breadth of furrow 712 

 &quot; advantages of proper shaped fields 



for 712 



u time lost in 712 

 &quot; variety of modes of ?!3 

 Plum, varieties, eurculio 654 

 Pop illation of the U. S. 1 52. 

 PotJito 458 



&quot; present value as a field crop 4.&quot; 9 

 &quot; when introduced 460 

 &quot; propagation 461 

 &quot; qualities of the root 462 

 &quot; analysis of ;&amp;gt;(?3 to 465 

 &quot; nutritive quali ies of 4(J6 

 &quot; yield per acre 466 

 &quot; rot in 467 



&quot; cultivation and harvesting 468 

 &quot; starch, arrow-root, British -urn and 

 other constituents contained in 4(i9 

 &quot; comparison of With apple 639 

 Pumpkin the, its relatives 559 



little Unown regarding it 560 



&quot; its value 500 



&quot; grown with corn 563 



&quot; .yield 564 



&quot; preserving in winter 565 



&quot; its uses 567 



&quot; insects on young plants,remedie! 



568 

 Pyrrhin 36 and note. 



Quince varieties 645 

 &quot; seeds of 616 

 &quot; manures 645 



Q 



B 



Rain, ammonia in 29, note. 



&quot; composition of 29. 



&quot; effc ccs of 53. 



&quot; purity of 54. 



&quot; necessity of 135. 

 Rain-gu.-ige 1H5. 

 Rain, mode of measuring 135. 



&quot; period of 136. 



&quot; annual amount of 136. 



&quot; in England and the U States 130. 



&quot; weight of 137. 



&quot; season of 1 38. 



&quot; mode of falling 139. 



&quot; descent in soil 1 iO. 



&quot;. absorption of 141. 



&quot; evaporation of 142. 

 Rape, seed of* 453 



&quot; species of 45&amp;lt;&amp;gt; 



&quot; oil from, cul ure, manure for, weight 

 of, value of cake &c 4.~&amp;gt;6 



&quot; culture in Pa., time of sowing 456 



&quot; analj is &amp;lt;&amp;gt;f 457, 453 



&quot; oil in cake 458 

 Rays, different of light 134. 

 Reaumur s thermometer 129. 



Rhubarb, species and varieties 659 



&quot;Upeuing Of gniina 131. 



liver water 71. 



{ice, general remarks 315 



varieties 



where it grows and is cultivated 317, 



318,319 



wild, a different family 320 



unhusked 321 



analysis &amp;lt;,f 322, 323, 324 



fatty matter of 323 



best soils for, and culture 325 



cleaning &c 326 



time aiid mode of sowing the upland 

 327 



yield of per acre 328 



how measured 329 



its uses 330 



soil in which it grows 331 

 Rtr.-ks 76. 

 Roots, genera 432 



profit, of growing 432 

 Rust on wheat 199 



culture and soil 659 

 analysis of 660, 662 

 Rye grass, (Italian) 384, 391 

 Rye, soils for 173 



its importance and native place 204 



where cultivated 205 



produce of in U. S. 20(5 



species and varieties 207 



analysis of 20.?, 209, 210 



varies in composition 211 



straw analysis of 212 



flour of 213 



bread 01 214 



soils for 215 



inorganic constituents 216 



sowing and time of 217, 218 



culture and harvesting 219 



sown with wheat 221 



sown for fodder 222 



to plow under 223 



ergot in 225 



straw of 227 



depth to be covered 227 



what it takes from the soil 676 



Salt in beets 520 

 in blood 682 

 &quot; incompositior 

 &quot; its value 706 

 Sciences in Agriculture 5,6. 

 Schools in Europe 10, 11. 

 Sheep, health of 139. 



dune of 693 

 Silit-a 80, 83. 

 Smut on wheat 198 

 Soil, nature of 72, 73. 

 formation of 74. 

 position of 75. 

 composition of 79, 80, 82. 

 classification of 84. 

 use of h5. 

 inorganic elements of 93. 



