Range:
Subjects: Agriculture; Capsicum annuum; Field experiments
Subjects: Agriculture; Chemical fertilizers; Field experiments; Humic acid; Jizah (Egypt)
Subjects: Agriculture; Ammonium sulfate; Field experiments; Guar; Potassium sulphate
Subjects: Aromatic plants; Domestic gardens; Drugs; Oleander; Rosemary
Subjects: Agriculture; Amino acids; Field experiments; Phenylalanine
Subjects: Agriculture; German chamomile; Petroleum; Production; Sandy soils
Subjects: Agriculture; Chemical fertilizers; German chamomile; Jizah (Egypt); Organic fertilizers
Subjects: Agriculture; Field experiments; Humic acid; Liquid chromatography; Spectrometers
Research interests: Agriculture; Field experiments; Humic acid; Chemical fertilizers; German chamomile