Lai T M,Eberl D D.Controlled and renewable release of phosphorus in soils from mixtures of phosphate rock and NH4-exchanged clinoptilolite[J].Zeolites,1986,(6):129-132.
Barbarick K A,Lai T M,Eberl D D.Exchange fertilizer(phosphate rock plus ammonium-zeolite)effects on sorghum-sudangrass[J].Soil Sci Soc Amer J,1990,54:911-916.
[5]
Eberl D D.Controlled-release fertilizers using zeolites[A].In:4th International conference on the occurrence,properties,and utilization of natural zeolites[C].Boise Idaho:Red Lion Hotel-Riverside,1993.85-86.