(S (S (NP (BASENP (JJ Other) (NNS recommendations)) (PP (IN for) (BASENP (JJ certain) (NNS regions)))) (VP (VBP include) (NP (NP (NP (NP (BASENP (DT the) (NN extension)) (CC and) (BASENP (DT the) (NN improvement))) (PP (IN of) (NP (BASENP (NN agriculture)) (VP (VBG using) (BASENP (NN rainwater)))))) (COMMA ,) (NP (BASENP (DT the) (NN introduction)) (PP (IN of) (NP (BASENP (NN cereal) (NNS varieties)) (SBAR (WHNP (WDT that)) (S (VP (VBP need) (BASENP (JJR less) (NN water))))))))) (CONJP (ADVP (RB as) (RB well)) (IN as)) (NP (BASENP (DT the) (NN development)) (PP (IN of) (BASENP (NN irrigation) (NNS systems))))))) (PERIOD .))