الفترة:
الموضوعات: التعليم؛ المناهج؛ علم النبات
Subjects: Anacamptis palustris; Biological transport; Mycorrhizal fungi; Orchids; Physiological aspects
Subjects: Biological control systems; Biological transport; Fungal diseases; Pyricularia grisea
Subjects: Bearing capacity; Biological diversity; Biological transport; Plant taxonomy; Rice