Deere 999 planter seed plate question

Missouriboy

New member

Equipment
L245
May 2, 2017
13
0
1
Lees Summit, Mo. Jackson
A little off topic, but I was wondering if anyone knew what the john deere model 999 seed plate Y2773-B (also has the words "for ensilage" on it) was used for. I only got one when I bought a planter and was wondering if I needed to buy another one - just depends on what it plants I guess. thanks!