Research Article
Phosphorus Availability in Calcareous Soil Amend with Chemical Phosphorus Fertilizer, Cattle Manure Compost and Sludge Manure
Fertilizer Technology Development, Saudi Basic Industries Corporation, 42503, Riyadh, Saudi Arabia
A. M. Ghoneim
Soil Science Department, College of Food and Agricultural Sciences, King Saud University, 2460, Riyadh, 11451, Saudi Arabia
A. S. Modaihsh
Soil Science Department, College of Food and Agricultural Sciences, King Saud University, 2460, Riyadh, 11451, Saudi Arabia
M. O. Mahjoub
Soil Science Department, College of Food and Agricultural Sciences, King Saud University, 2460, Riyadh, 11451, Saudi Arabia