( ( ( ( ( ( ( ( argue -LRB- ) 1985 ) -RRB- ) ( , ( ( the ( home garden ) ) ( ( is `` ) ( ( an ( integrated agro-ecosystem ) ) ( ( in which ) ( ( solar energy ) ( is ( ( channelled ( through ( the plants ) ) ) ( to ( ( animals and ) man ) ) ) ) ) ) ) ) ) ) ) , ) and ) ( matter ( is ( ( cycled and ) recycled ) ) ) ) . )
(ROOT (S (S (S (VP (VB argue) (-LRB- -LRB-) (NP (CD 1985)) (-RRB- -RRB-))) (, ,) (NP (DT the) (NN home) (NN garden)) (VP (VBZ is) (`` ``) (NP (NP (DT an) (VBN integrated) (NN agro-ecosystem)) (SBAR (WHPP (IN in) (WHNP (WDT which))) (S (NP (JJ solar) (NN energy)) (VP (VBZ is) (VP (VBN channelled) (PP (IN through) (NP (DT the) (NNS plants))) (PP (TO to) (NP (NNS animals) (CC and) (NN man)))))))))) (, ,) (CC and) (S (NP (NN matter)) (VP (VBZ is) (VP (VBN cycled) (CC and) (VBN recycled)))) (. .)))
argue (1985), the home garden is &quot;an integrated agro-ecosystem in which solar energy is channelled through the plants to animals and man, and matter is cycled and recycled.
(ROOT (S (PP (IN Unlike) (NP (NN energy))) (, ,) (NP (NN matter)) (VP (VBZ does) (RB n't) (VP (VB need) (S (VP (TO to) (VP (VB be) (VP (ADVP (RB constantly)) (VBN added) (PP (TO to) (NP (NNS ecosystems))))))) (SBAR (IN because) (S (NP (PRP it)) (VP (VBZ is) (VP (VBN recycled) (PP (IN through) (NP (NNS ecosystems))))))))) (. .)))