( Nutrients ( ( are ( ( chemical elements ) ( essential ( to ( plant ( and ( animal nutrition ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Nutrients)) (VP (VBP are) (NP (NP (NN chemical) (NNS elements)) (ADJP (JJ essential) (PP (TO to) (NP (NN plant) (CC and) (NN animal) (NN nutrition)))))) (. .)))
Nutrients are chemical elements essential to plant and animal nutrition.
(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)))))))) (. .)))