Omar T. Al-Salam; Shafiek C. AL-Kaysi
(University of Diyala / College of Agriculture, 2013-06)
، اﻟﺰراﻋﻴﺔ ﻟﻠﻌﻠﻮم دﻳﺎﻟﻰ ﻣﺠﻠﺔ5)1: (91-104،2013اﻟﺴﻼمواﻟﻘﻴﺴﻲ
104
Sparks , D. L. 1980. Chemistry of soil potassium in Atlantic coastal plain soil. Soil
Sci. and Plant Anal. 11:435-449.
EVALUATION OF AVAILABLE POTASSIUM ...