56 LABORATORY MANUAL OF AGRICULTURE 



QUESTIONS 



1. Which was the best mulch ? 



2. Which depth of cultivation saved the most moisture? 



3. Was there any difference in the amount of water evaporated 

 from day to day ? Can you account for this difference ? 



4. Does the farmer ever use soil mulches ? When ? 



5. How often should the farmer cultivate his fields to keep a 

 good soil mulch ? 



