For best results do plant each individual seed 1/2 to 1\" deep in individual holes, cover with dirt, then some leaves and step on it to compress all of that down. You can plant them as thick as 4-5 seeds per sq ft, but I think thinner plantings of 2-3 per sq ft would have better chance of making it without disease issues (over crowding tends to bring on disease issues).
3000 seeds would take a little while to plant that way.
I have planted close to 9000 seeds like that this past week (using the sharp shooter shovel with pvc pipe for delivering the seed), except I am making a wider hole and planting 2 seeds per hole.
Other methods that work well - Rake and Scatter.
I prefer this method which I call double rake and scatter.
It works best just after a rain, or within a few days of a good rain when the top soil is still nice and soft.
What you do is take a good stout leaf rake (one that has some good teeth to it) and first rake over the leaves to one side. Just the loose leaves on top, and try to leave the composted leaf layer alone and just get teh lose leaves. Rake them over to one side and pile them up.
You can make your bed 5' wide and up to 50' long for a 250 sf bed. That is what is recommended in Scotts book (Hankins method bed size).
If doing smaller areas you could make a 5' x 5'.
After raking the lose leaves over, then you go back and rake it again, this time pressing down hard and getting all of that leaf compost and as much of the top soil as you can. Rake that over and pile it up right beside your leaf pile.
Then you can drop your seed, at 4-5 per sq ft, or reduced rate of 2-3 per sq ft if you prefer, if you are going to fertilize you can add gypsum at that point.
Next rake that pile of top soil and leaf compost back on top of the seeds, then rake the lose leaf pile back on top and spread them out evenly on the bed.
Then walk up and down the bed pressing the leaves, leaf compost and top soil down on top of the seeds.
With this method the seeds generally end up being planted 1/2\" to 3/4\" deep - depending on how much leaf compost and top soil you can rake over and put back on top.
I had excellent germination with this method last year, and my seedlings survived a brutal July/August where we had almost no rain and extremely hot temps.
If you do smaller beds with this method, it is fairly easy to do, does not wear you out all that much, and the seeds get planted very well.
When you start making those 5 x 50' long beds it takes a little more stamina to make it thru all of that. I did several of those last year and it takes me about 45 minutes to start and finish a 5'x50' (250 sf) bed.
If planting 4-5 seeds per sq ft, you end up planting 1000-1250 seeds in that 250 sf bed.
If you will do either of the two methods mentioned above I am sure you will have good luck getting the seeds to germinate and live (if the location is right).
If you have not done a soil test, you should. Ginseng needs high levels of calcium in the soil to do well and it also needs a PH around 5.0-5.5.
Gypsum can be used to boost calcium if needed and it will not affect PH.
Calcium levels in the 3000-5000 pounds per acre would be ideal, but 2000 is acceptable, if below 2000 you will need to add gypsum to increase calcium levels.
In that spot where you have lots of small ginseng plants, it is probably best to transplant them when they are 2 years old, and you need to wait until late fall (September or October) to carefully dig them up and transplant them.
Late fall the root will have next years bud developed already so be very careful not to damage that bud spur, and plant them so that that bud spur is at least 1\" below the soil surface and water them in good.
They should do fine after that.
Good Luck !
PS - I have a few video's of doing wild simulated double rake and scatter method on my youtube channel, and some showing the results this spring. There are also several on there of ginseng hunting too.
www.youtube.com/yttnhunter
TNhunter