( ( Seed ( on ( the surface ) ) ) ( ( ( ( ( ( has ( ( ( no dormancy ) and ) germinates ) ) , ) ( regardless ( of light ) ) ) , ) ( as ( ( ( temperature and ) moisture ) ( permit ( so ( ( many seedlings ) ( are ( under ( competing vegetation ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NN Seed)) (PP (IN on) (NP (DT the) (NN surface)))) (VP (VBZ has) (NP (NP (DT no) (NN dormancy)) (CC and) (NP (NNS germinates))) (, ,) (ADVP (RB regardless) (PP (IN of) (NP (NN light)))) (, ,) (SBAR (IN as) (S (NP (NN temperature) (CC and) (NN moisture)) (VP (VBP permit) (SBAR (IN so) (S (NP (JJ many) (NNS seedlings)) (VP (VBP are) (PP (IN under) (NP (VBG competing) (NNS vegetation)))))))))) (. .)))
Seed on the surface has no dormancy and germinates, regardless of light, as temperature and moisture permit so many seedlings are under competing vegetation.
(ROOT (S (NP (NN Seed)) (ADVP (RB dormancy)) (VP (VBZ ensures) (SBAR (IN that) (S (NP (NNS seeds)) (VP (VBP germinate) (ADVP (RB only)) (SBAR (WHADVP (WRB when)) (S (NP (NP (NNS conditions)) (PP (IN for) (NP (JJ seedling) (NN survival)))) (VP (VBP are) (ADJP (JJ optimal))))))))) (. .)))