Natta Takrattanasaran, Jongruk Chanchareonsook, Suthep Thongpae, Ed Sarobol. Evaluation of Mehlich 3 and Ammonium Bicarbonate-DTPA Extractants for Prediction of Available Zinc in Calcareous Soils in Central Thailand. Agr. Nat. Resour. [internet]. 2010 Oct. 30 [cited 2026 Oct. 8];44(5):824-9. available from: https://li01.tci-thaijo.org/index.php/anres/article/view/244995