الفهرس 
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Abstract
The experiments were carried out in the laboratories of the Faculty of Agriculture - Saba Basha. Surface soil samples (0-30 cm) were collected from three locations sand soil of Al bostan area in the new Nobaria, calcareous soil in Mariout and clay soil in Abees area, the tenth village of the Arab Republic of Egypt during the 2020, where major elements (P, K) and minor elements (B, Fe, Mn, Zn, Cn) were extracted by three methods: Mechlich, Soltanapow, Kelowna.