ARID AGRICULTURE. 273 



soil. When a soil contains many of them it is 

 injured. The earth worm eats soil and in pass- 

 ing thru them it is puddled. The tilth may be 

 so completely destroyed that plants will not 

 thrive. We have noted this in many lawns, some 

 gardens and often in the case of house plants 

 raised in flower pots. 



REMEDY FOR Earth worms are easily destroyed. They 



EARTHWORMS are cove^d w ith a thin and soft skin which is 



quickly used up by the contact of lime water. 

 Soil in flower pots and even on lawTis or small 

 gardens may be rid of worms by liberal applica- 

 tion of lime water. Slack lime in a barrel and 

 pour the clear lime water on the soil. It has no 

 detrimental effect on growing plants and may be 

 f reelv used. 



