Haven't used the Biologic stuff but have used Austrian winter peas. In the past we used them in plots that were just too small and deer had them grazed off before they had a chance to grow. This year we have them mixed in pretty heavy with a two acre milo plot - hoping the milo will grow fast enough to protect the peas.
They are a great attractant, but getting them to any height has always been our problem. With the larger plot, I'm keeping my fingers crossed. I'll let you know how things go as the season progresses.
“There are two spiritual dangers in not owning a farm. One is the danger of supposing that breakfast comes from the grocery, and the other that heat comes from the furnace.”