The seeds are very small, only one tenth of the millet rice, the seed is small enough to exceed the psychological limit of the pro, which is the species's own decision.
Use a small pan or pot for sowing, about 4 or 5 inches is adequate; Fill the pan or pot to overflowing with the seed compost, then firm it first with your fingers, then with a wooden presser.
Pour a heaped teaspoon of fine sand into the seed packet and shake to mix sand and seed; Sow the seed direct from the packet, tapping it slowly to release the sand-seed mixture evenly over the compost.