I have a 3 short rows of lady peas. They are producing lots of vines and runners. They just do not seem to be producing very many blooms.
Why Are Lady Peas Not Producing
You probably have too much nitrogen in the soil. You can 'sweeten' it up with lime. Too much nitrogen grows beautiful, lush, green plants with minimum yield.
The following link will take you to a page of articles on the subject: http://www.google.com/cse?cx=012078378210706707791%3Af1h5n_k1r5e&ie=UTF-8&q=too+much+nitrogen&oq=&gs_l=#gsc.tab=0&gsc.q=too%20much%20nitrogen&gsc.page=1