76 



PAGE. 



PHOSPHATES South Carolina .. , 43 



PHOSPHORITE 42 



PHOSPHORUS In theSoil ,.. 21 



PHOSPHATE ROCK Drying and Grinding of 49 



PLANTS Composition of, &c 22 



POTATOES Composition of 25 



POTATOES Detailed Analysis of. 68 



POTASH In the Soil 21 



POTASH 47 



PREFACE 3 



ROSSA (ORGUAYAMAS) GUANO 42 



RYE Composition of 24 



SEEDS PROPORTION OF OIL IN VARIOUS 



AIR DRY 73 



SILICA In the Soil 19 



SODA In the Soil 21 



SOMBRERO 43 



SOIL Analysis of 16-17-18 



SOIL Origin of 14 



SOIL Organic Substances of 19 



SUGAR BEETS Detailed Analysis of 68 



SULPHATE AMMONIA 46 



SULPHATE OF LIME (GYPSUM OR LAND PLAS- 

 TER) 47 



SULPHUR In the Soil.. 21 



