Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to mulch around a tree [title] Shovel away old mulch, dirt, and rocks. [step] Shovel away all the old mulch, debris, and rocks so that you can see the tree trunk. A " mulch volcano " occurs when mulch is piled up year after year on the base of a tree.

Ending1: Don't touch the tree trunk with any bare fingers because the roots will still be clinging to it and the resulting mulch will rot with time. A mulch volcano promotes a bacterial breeding ground of your tree. Ending2: To fix this, dig around the tree to gather dirt, rocks, snow, or gravel. Use wire stripping when digging around the tree trunk to give it a sturdy surface to pull up and off. Ending3: Mulch piled up at the base of a tree is detrimental and starves the roots of needed oxygen. [title] Cut up-growing roots with pruners. Ending4: You've inflated the trunk a little, putting in weeds and rocks instead of mulch, so your tree is composed of smaller, more compact rocks. [title] Scrub the tree trunk with a garden hose.

Answer format: ending1/ending2/ending3/ending4