PGS is a plant growth stimulant that can either be applied directly to the seed @ 6oz per bushel, mixed in with your 10-34-0 as a in furrow starter (32oz/acre) or as a standalone in a foliar situation(32oz/acre). In my test's over the years its been a consistent 20 bushel increase on both wheat and corn. The only year I didnt get a yield bump over the control was my first year trying it. In the spring I decided to NOT put any fertility via traditional fertilizers and put those dollars into my foliar products instead. The two fields yielded almost exactly the same, but I spent substantially less money to get the yield on the treated field when compared to the control. I just started raising peas so my data is limited on response on peas, but in corn and wheat the response has been really good.
The comparison (control) in the video I used made in the 30-40 bushel range. Its not my ground so I cant completely depend on what they tell me. They were pretty sore at the fact I harvested over 100bpa across the trailroad from him.
Here is a pic of my corn last summer, as you can see my neighbor's corn is looking pretty tough. He ended up chopping it for silage, I picked 90+ bushel corn. Planting dates are about 2 weeks apart and we both practice no-till.