OTHER AIDS TO FAEMING 165 



to be seen; yet seen too oft, familiar with her 

 face, we first endure, then pity, then embrace. ' ' 



Crop rotation to be an aid to the business of 

 farming must be supplemented with that farm 

 procedure that provides for the yearly feeding of 

 the soil with an ample supply of plant food. It 

 has failed in the past because it was unaided by 

 this feature of farming. The plant food to be 

 supplied yearly is that found in, or provided by 

 animal and green manuring, and the minerals like 

 potash, phosphorus, limestone, etc. 



GEOUND LIMESTONE. 



The use of ground limestone has become an im- 

 portant factor in soil building and should be ap- 

 plied liberally to our soils. In the limestone re- 

 gions of the world, if inhabited by a civilized 

 people, you will always find prosperous, sturdy 

 people and great wealth. In these regions the 

 limestone has been disintegrated and distributed 

 through the soil by the processes of nature, which 

 is proof that when applied by man it should be 

 in its raw state ground finely and unburned. 

 Burned limestone becomes caustic lime and so has 

 the power to eat and destroy, and hence will eat 

 up and consume the organic content of our soils, 

 and thus destroy one of the most valuable elements 

 of good soil. The raw ground limestone corrects 

 the acidity of soils, thus neutralizing the acids 

 formed by decay of live organic matter, or in any 

 other manner, thus paving the way for the suc- 

 cessful growing of the legumes. The ground 

 limestone can be applied in any quantity without 

 injury to the soil or crops, so the amount to ap- 



