IMPROVING FARM LAND 
159 
Harrowing the Soil.—Land that is broken in the fall 
should not be harrowed or leveled but left in a rough 
condition. Usually, the first thing to do after breaking 
Fig. 117a— Fall plowing destroys weeds and insects. 
Fig. 117b.—An open ditch is suitable for draining level land. 
land at any other time is to harrow it thoroughly so as 
to scratch and break up the soil into fine particles. 
Mulching the Soil.—Mulching is the process of cul¬ 
tivating the soil after each rain so as to leave a thin 
