a person trained and skilled in the design, construction, and use of engines or machines, or in any of various branches of engineering: a mechanical engineer; a civil engineer. a person who operates or is in charge of an engine.
The most important things to remember with planting rambutan seeds are: 1  Seeds must be put in flat. If you put them in with the long side going down, then they will almost surely die. 2  Don't bury seeds too deep. Just push them into the dirt and brush a bit of soil on top of them. 3  Soil must be kept loose.
Step 4. Apply a post-emergent herbicide if the grassburs and their stickers still grow or have already grown. It is important to use an herbicide that is safe for your type of grass.Example herbicides that work well for grassburs are ones that contain the active ingredient MSMA, DSMA or Imazaquin.tep 1. Spray a pre-emergent herbicide, such as Pendimethalin or Oryzalin, in the late winter or early spring before the weeds grow. Follow the directions on the label and be sure it is safe for your type of grass.