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.
Although it is possible to grow rhubarb from seed, rhubarb planting using root stock, or crowns, is the favoured method for growing rhubarb, especially in Northern climates. The best time to plant rhubarb from root stock or crowns, (also referred to as  rhizomes ), is in early spring. Once planted, it will thrive in the cooler spring temperatures and will really begin to grow once the soil temperature reaches above 40 Â° F.