Rasha Ramzy Mohamed Afifi Wahdan <br/><br/>
Studies on the a vailability of rock phosphate as phosphate fertilizer /  
 دراسات على صلاحية صخر الفوسفات كسماد فوسفاتى 
Rasha Ramzy Mohamed Afifi Wahdan ; Supervised Salah Abdelmeged Rdwan , Ahmed Mohamed Elzuhry Rabie , Mohamedy Ibrahim Elkherbawy 
 - Cairo :   Rasha Ramzy Mohamed Afifi Wahdan ,   2008 
 - 159P. :   charts ;   25cm 
<br/><br/>Thesis (M.Sc.) - Cairo University - Faculty Of Agriculture - Department Of Soil Science 
<br/><br/> Laboratory experiments were conduted to evaluate the effect of phospho - compost applied at different rates through using kinetic approach on the P release.Different kinetic models were tested to select the best one (s) describe data ; however , modified Freundlich , parbolic Diffusion and Hoerl equations gave the highest ones 
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<br/><br/><label>Subjects--Index Terms: </label>Citricacid Compost Rockphosphate