(1)
Chairerk Suwannarat; Jongruk Chanchareonsook; Sorasith Vacharotayan. Utilization of Filter Cake as Phosphate Source for Paddy in Acid Sulfate Soil I. Effects of Filter Cake on Phosphorus Nutrition of Rice Plant and pH of a Submerged Acid Sulfate Soil. Agr. Nat. Resour. 1988, 22, 65-72.