( ( ( A ( significant amount ) ) ( of water ) ) ( ( is ( depleted ( during ( ( the ( growing season ) ) ( due ( to ( ( transpiration , ) ( which ( ( is ( ( the ( natural uptake ) ) ( of water ) ) ) ( into ( ( the ( root system ) ) ( of ( plants ( for nourishment ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT A) (JJ significant) (NN amount)) (PP (IN of) (NP (NN water)))) (VP (VBZ is) (VP (VBN depleted) (PP (IN during) (NP (NP (DT the) (VBG growing) (NN season)) (ADJP (JJ due) (PP (TO to) (NP (NP (NN transpiration)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ is) (NP (NP (DT the) (JJ natural) (NN uptake)) (PP (IN of) (NP (NN water)))) (PP (IN into) (NP (NP (DT the) (NN root) (NN system)) (PP (IN of) (NP (NP (NNS plants)) (PP (IN for) (NP (NN nourishment))))))))))))))))) (. .)))
A significant amount of water is depleted during the growing season due to transpiration, which is the natural uptake of water into the root system of plants for nourishment.
(ROOT (S (NP (RBS Most) (JJ growing) (NN plant) (NNS cells)) (VP (VBP expand) (PP (IN through) (NP (NN water) (NN uptake)))) (. .)))