Have you considered gardening with straw bales in your backyard garden or garden landscape? Easily transition from soil to straw with these tips found on Fix. Click in for your comprehensive guide to straw bale gardening.
I did this, but rather than burrowing into the bale I just made rows of potting soil on top of the bale and planted seeds directly in the soil and the roots spread down into bale and fed off it as it decomposed.
How to build a straw bale garden, this site has more information. I did it this year and Im amazed at the size of my tomatoes! I put them around my Rhubarb patches and I was harvesting rhubarb into late September! Give this a try - Gardening Living