Correct option is A
· Statement A: Correct; the optimal temperature range for wheat sowing is 22-23°C.
· Statement B: Correct; higher temperatures like 25°C reduce tillering in wheat.
· Statement C: Correct; late sowing requires a higher seed rate (125-150 kg/ha).
· Statement E: Correct; semi-dwarf varieties should not be placed below 4-5 cm depth.
· Statement D: Although accurate, it's not relevant in the given combination.