( and ( ( ( improved ( seed drilling ) ) ( for ( ( large ( scale production ) ) ( of ( nursery plants ) ) ) ) ) . ) )
(ROOT (S (NP (NNP and)) (VP (VBD improved) (NP (NN seed) (NN drilling)) (PP (IN for) (NP (NP (JJ large) (NN scale) (NN production)) (PP (IN of) (NP (NN nursery) (NNS plants)))))) (. .)))
and improved seed drilling for large scale production of nursery plants.
(ROOT (S (NP (JJ Heirloom) (NNS seeds)) (VP (VBP come) (PP (IN from) (NP (NP (NNS plants)) (SBAR (WHNP (WDT that)) (S (VP (VBD were) (ADVP (RB traditionally)) (VP (VBN grown) (PP (IN in) (NP (JJ human) (NNS populations))))))))) (, ,) (ADJP (RB as) (VBN opposed) (PP (TO to) (NP (NP (DT the) (NNS seeds)) (VP (VBN used) (PP (IN for) (NP (JJ large-scale) (JJ agricultural) (NN production)))))))) (. .)))