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. 2  Don't bury seeds too deep. 3  Soil must be kept loose.  Soil must be 1  loamy. It will take about 10-21 days for the rambutan seed to germinate.
When direct seeding chestnuts, remove about 1 to 2 inches of soil where you want to plant the seeds. Place seeds no closer than 4 inches apart in the rows and the rows have to be 18 inches apart. In addition, the seeds can be covered with peat moss to keep the chestnuts moist. Once the seed have been placed, put the removed soil back on top of the chestnut seeds. Do not let the soil dry out.