( ( To ( ( ( cut down ) ( on loss ) ) ( from ( ( evaporation , ) ( water ( in ( ( ( the evening ) or ) ( early morning ) ) ) ) ) ) ) ) . )
(ROOT (S (VP (TO To) (VP (VB cut) (PRT (RP down)) (PP (IN on) (NP (NN loss))) (PP (IN from) (NP (NP (NN evaporation)) (, ,) (NP (NP (NN water)) (PP (IN in) (NP (NP (DT the) (NN evening)) (CC or) (NP (JJ early) (NN morning))))))))) (. .)))
To cut down on loss from evaporation, water in the evening or early morning.
(ROOT (S (NP (NP (VBG Watering) (NNS plants)) (CC and) (NP (NP (NN grass)) (PP (IN in) (NP (DT the) (JJ early) (NN morning))))) (VP (VBZ is) (NP (DT a) (NN way) (S (VP (TO to) (VP (VB conserve) (NP (NN water)) (SBAR (IN because) (S (NP (NP (JJR smaller) (NNS amounts)) (PP (IN of) (NP (NN water)))) (VP (VB evaporate) (PP (IN in) (NP (DT the) (JJ cool) (NN morning))))))))))) (. .)))
Watering plants and grass in the early morning is a way to conserve water because smaller amounts of water evaporate in the cool morning.