A huge risk is that the buyers fail to close. You wouldnât believe some of the things that can happen, over my 19 years in real estate I have witnessed some crazy things. Everything from the lender going bankrupt after closing but before recording, to the buyer getting fired the night before the closing.
1 Soil needs to be well-drained, loose, and rich in nitrogen; compact soil affects bulb development. 2  Till in aged manure or fertilizer the fall before planting. 3  Onions are heavy feeders and need constant nourishment to produce big bulbs.
W. Terry Kelley and George Boyhan â Extension Horticulturists. Onions grow best on fertile, well-drained soils. Tifton series 1 and 2 soils are found in the Vidalia onion area and are well suited for onion production. Most sandy loam, loamy sand or sandy soils are also advantageous to sweet onion production. These soils are inherently low in sulfur, which allows greater flexibility in sulfur management to produce sweet onions.