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. Agriculture and Natural Resources, Bangkok, Thailand, v. 44, n. 5, p. 824–829, 2010. Disponível em: https://li01.tci-thaijo.org/index.php/anres/article/view/244995. Acesso em: 19 may. 2024.