1. EFFECTS OF SIMULATED ACID RAIN (SAR) ONSUNFLOWER (Helianthus annuus L.) GROWTH, PHOTOSYNTHETIC PIGMENTS AND YIELD For the award Degree of DOCTOR OF PHILOSOPHYIN BOTANYSubmitted…
Slide 1 Urgency One of the most pressing challenges of the new construction and maintenance of existing buildings and structures is a hydro- protection and restoration of…