CONTENTS 



OHAF. PAOB 



I THE FOBMATIOH OP SOIL .... 9 



II THE PBOPEBTIBS OF SOIL .... 24 



III THE MAI* TTPBS ov SOIL .... 47 



IT AMELIORATION AND IMPBOYBMEICT OF LAND . 73 



V THE PBINCIPLBS ov MAKUBIK o. THB NITBO- 



GENOUS MAKUBBS 99 



YI PHOSPHATIC, NlTBOQBIOT73-PHOSPHATIC, AJTD 



POTASSIC MAKITBBS 125 







VII THE EFFECTIVB USB 01 ABTIPICIAL MAirrBBS 161 



Till FABMYAKD MAJJUBB ..... 173 



IX ROTATION or CBOPB . . . '<-. 188 



X SEED ..*..... 219 



BIBLIOGBAPHY 252 



INDEX . 254 



ril 



