mossy tree bark of pine tree

acid agriculture bark chunk close coating composition composting covering crust cultivation diseases ecological environment examine fabric fir forest forester forestry forests harvest harvesting identification industry layer log logging lumber macro make management managing medicinal mossy mulch natural nature officinal outer pattern peel pellets pine plant plantation plantations plants processing production protection ranger resources restoration rind sheat skin structural structure sustainable tannic tannin texture timber tree trees trunk trunks wood woodland woodman woods woodsman woodward woodworking zoom