Fact 1: Plants respond to daily and seasonal cycles and to disease. Fact 2: Green manures can be managed to disrupt plant disease cycles or to suppress nematodes . Given the two facts above, plants respond to what to disrupt plant disease?
Select from:
(I) reducing acid rain
(II) competition
(III) bending light rays
(IV) Leptospirosis
(V) temperature changes
(VI) green manures
(VII) Localized damage
(VIII) sun's heat
Answer:
(VI)