My biggest head scratcher on fertilizer this year is....(pick 2)

25 votes
How much phosphate to put on
14%
37 votes
Finding the most economical rate of N
21%
21 votes
If biologicals can replace pounds of fertilizer
12%
5 votes
If I can skip adding starter
3%
62 votes
Where prices are headed
35%
10 votes
How best to use enhanced efficiency products
6%
8 votes
How much N and P manure will release
5%
4 votes
The N credit from clover, peas, et al
2%
5 votes
Other
3%