1.

Response of Oil Lettuce to Bio-,mineral Phosphorus Fertilizers and Boron Foliar Application Under Calcareous Soil Conditions

Pages 2-13
Mohamed Kenawy
2.

Soil Salinity Impact on Phosphorus Forms of Some Soils of El-Dakhla Oasis, Egypt

Pages 14-27
mahdy hassan hamed; Mohamed Ali Eldesoky; Nadia M Roshdi; Mahmoud gamal abdel-rahim
3.

Beneficial Effects of Silicon on Water Stress Tolerance in Maize (Zea mays L.) Grown in Calcareous Soil

Pages 28-47
fathia mostafa; magda abo elmagd; maher nasseem
4.

Effect of Potassium Application Methods on Some Wheat Varieties (Triticum aestivum L.) Production Under Middle Egypt Conditions

Pages 48-65
Mohamed Gamal Sarhan; Ashraf Abd El-Hamed
5.

Impact of Selected Pesticides on Some Soil Enzymes Activity in Soil Cultivated with Wheat Crop

Pages 66-83
Ahmed Attia; Gamal Abdel-Nasser; Magdy Massoud; Ahmed Sobhy Barakat
6.

Response of Maize to Nitrogen Sources and Application Rates in a Calcareous Soil at Nubaria Region in Egypt

Pages 84-101
Reham Osman; Magda Hussein; Ahmed Mohamed Awad