NO TILL Homesteading Organic Vegetable Gardening method with deep mulch for beginners 101, Pt 6. Also How to build healthy soil – You can use composting leaves too.
Prices on new items:
New sickle bar for tractor: http://www.northerntool.com/shop/tools/NTESearch?storeId=6970&ipp=48&Ntt=sickle+bar
other source: https://www.everythingattachments.com/Tractor-Sickle-Mowers-s/10538.htm
BCS New blade ONLY: https://www.groworganic.com/bcs-tiller-attachments-sickle-bar-mower-40.html