Question on Farming Expense Section: Mulch

I am at the farm income section > Enter Farming Expenses of TurboTax.  I am presented with a series of text fields with different categories to enter my expense.  For example.  Chemicals, Feed Purchased, Fertilizers and Lime, etc.

 

I purchased a dozen bags of mulch for my pecan trees last year.  Where do I enter mulch?

 

I'm thinking any one of these categories?

 

Chemicals, Conservation Expenses, Feed Purchased, Fertilizers and Lime, Seeds and Plants.