Research Article
Application of Chemical Fertilizers and Plant Spacing Improves Growth and Root Yield of Rehmannia glutinosa Libosch
Thanh Loan Pham ,
Van Huy Nguyen,
Thi Le Thu Hoang,
Thi Tam Tien Ha,
Chi Nghia Phan,
Xuan Duong Vu,
Mai Thao Hoang,
Thi Thanh Doan Ha and Thi Ngoc Diep Tran