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.
Germination Method 2: Plant marijuana seeds directly in growing medium. Sometimes nature's way is the easiest way. In nature, marijuana seedlings would sprout in soil, and they would emerge as their taproots start growing down. As a grower, you can also plant your seeds directly in your final growing medium.