( ( The ( two soils ) ) ( clearly ( ( differed ( in ( productivity ( and ( C ( and ( N ( cycling ( ( , ( being ( controlled ( either ( ( ( by ( upland ( , ( acid runoff ) ) ) ) or ) ( by ( eutrophic lake ) ) ) ) ) ) ) water ) ) ) ) ) ) ) ) ) . ) ) )
(ROOT (S (NP (DT The) (CD two) (NNS soils)) (ADVP (RB clearly)) (VP (VBD differed) (PP (IN in) (NP (NN productivity) (CC and) (NNP C) (CC and) (NNP N) (NN cycling) (PRN (, ,) (S (VP (VBG being) (VP (VBN controlled) (PP (CC either) (PP (IN by) (NP (JJ upland) (, ,) (JJ acid) (NN runoff))) (CC or) (PP (IN by) (NP (JJ eutrophic) (NN lake)))))))) (NN water)))) (. .)))
The two soils clearly differed in productivity and C and N cycling, being controlled either by upland, acid runoff or by eutrophic lake water.
(ROOT (S (NP (NP (NN Precipitation) (CC and) (NN runoff)) (PP (IN in) (NP (DT the) (NN water) (NN cycle)))) (VP (VBP are) (ADVP (RB primarily)) (ADJP (JJ responsible) (PP (IN for) (NP (NP (DT the) (NN creation)) (PP (IN of) (NP (DT a) (NN lake))))))) (. .)))