( ( A component ) ( ( necessary ( for ( plant growth ) ) ) . ) )
(ROOT (S (NP (DT A) (NN component)) (ADJP (JJ necessary) (PP (IN for) (NP (NN plant) (NN growth)))) (. .)))
A component necessary for plant growth.
(ROOT (S (NP (NNP Plant) (NNP nutrition)) (VP (VBZ is) (NP (NP (DT the) (NN study)) (PP (IN of) (NP (NP (DT the) (JJ chemical) (NNS elements)) (ADJP (JJ necessary) (PP (IN for) (NP (NN plant) (NN growth)))))))) (. .)))