Manure for Hops, 274
Roots, Amount of Left in Soil by Different Crops, 164
Root-crops, 17
Rotation of Crops and Manures, 246
Rushmore, J. H., Letter from, 345
Routzahn, H. L., Letter from, 349

Salt as a Manure for Wheat, 270
" Common as Manure for Wheat, 200
" for Mangel-wurzels, 104
Saw-dust for Bedding, 103
Season, a Poor, Profitable for Good Farmers, 213
" and Manure for Oats, 253
" Influence of on the Growth of Wheat, 210
" Profit in Raising Oats in a Poor, 253
" Profit in Raising Barley in a Poor, 243
Seasons, Influence on Crops, 21
Seed Growers, Manures for, 296
Sewage, 308
Sheep-Manure, 303-333-339
" " Composition of, 306
" vs. Oxen as Manure Makers, 303
Shelton, Prof. E. M., Letter from, 350
Soil, Composition of, 144-150
" Exhaustion of, 23-27-332
" from Earth-closet, 225
" Nitrogen and Phosphoric Acid in, 226
" Plant-food in, 105
" Weight of per Acre, 221
Soils Absorb Ammonia from Atmosphere, 219
" Absorptive Powers of, 217
Sorghum, Manures for, 283
Special Manures, 320
Straw, 26
" Amount of Manure from, 124
" and Chaff for Manure, 200
" for Manures, 48
" on Grain Farms,