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Bulletin Cover

Editorial Board

Notice To Contributors

. SUSCEPTIBILITY OF DATE PALM FRUIT CULTIVARS TO THE NATURAL INFESTATION BY OLIGONYCHUS AFRASIATICUS (MCG.) (ACARI: TETRANYCHIDAE) IN RELATION TO THEIR CHEMICAL COMPOSITION.

  A.G. Ali and Saleh A. Aldosari   ……..……………………..

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· POTENTIOMETRIC STUDIES ON THE INTERACTION OF ENVIRONMENTALLY HAZARD ZINC (II), CADMIUM (II) AND LEAD (II) IONS WITH NITRILOTRIACETIC ACID AND SOME TETRAZOLES

 S. A. Ibrahim, Y. H. Ebeid, A. A. A. Boraei, I. T. Ahmed, and F. M. Ali    .......................

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· THE ROLE OF SAUDI AGRICULTURAL EXHIBITIONS IN AGRICULTURAL TECHNOLOGY TRANSFER.

Mohammad Sh. Al- Shayaa  …………...........................................

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·  DIFFERENTIAL AXILLARY-BUD PROLIFERATION RESPONSES OF TWO SWEET POTATO CULTIVARS TO BENZYLADENINE AND THIDIAZURON.

 Mohamed F. Mohamed, Mohamed M. A. Abdalla and Ahmed A.M. Damarany, Jr. ..............................................

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·  USING REMOTELY SENSED DATA, GIS, AND FIELD INVESTIGATION FOR PRELIMINARY CONSIDERATIONS OF SUSTAINABLE DEVELOPMENT: WEST QENA AREA, EGYPT.

Ahmed M. Youssef and Ahmed Ghallab  .......................................................

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·  NILE WATER HYACINTH PROCESSING PART (І) CHEMICAL CHARACTERISTICS OF HUMIC ACIDS EXTRACTED FROM NATURALLY HUMIFIED NILE WATER HYACINTH AND THEIR NATURAL HUMATES EFFECT ON MAIZE GRAIN YIELD.

M. H. Bader and Fatema Abed Al-Hamide Nofel    .................................................

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