Figure 4.4. Effect of Weeds on
Figure 4.3. Excessive Weed
Growth in Track.
Figure 4.5. Good Weed Control.
excessive plant growth in drainage ditches since the importance of clean ditches is pointed out in chapter 2 of
Reference Text 670.
Weed control should begin before the growth has a chance to get a good start and before the weeds have
seeded. The work has two phases: elimination of weeds, first from the track and then from the rest of the right of
way. These phases are discussed in the