Deadwooding and thinning of several Castanea sativa, reduction of limbs on two trees, deadwood removal from Taxodium Distichum, and crown cleanse of Quercus. Ref. No: 6/2025/0963/TPO ...

Introduction. Soil pollution by heavy metals is a critical global environmental problem. Experts have estimated that more than 20 million hectares of farmland in China have been contaminated, ...