记(Ji)者(Zhe)从(Cong)水(Shui)利(Li)部(Bu)获(Huo)悉(Xi):(?)最(Zui)新(Xin)数(Shu)据(Ju)显(Xian)示(Shi),(?)我(Wo)国(Guo)农(Nong)业(Ye)用(Yong)水(Shui)告(Gao)别(Bie)传(Chuan)统(Tong)大(Da)水(Shui)漫(Man)灌(Guan),(?)由(You)“浇(Jiao)地(Di)”转(Zhuan)向(Xiang)“浇(Jiao)作(Zuo)物(Wu)”,(?)灌(Guan)溉(Gai)水(Shui)有(You)效(Xiao)利(Li)用(Yong)系(Xi)数(Shu)已(Yi)达(Da)0.542,(?)在(Zai)保(Bao)障(Zhang)国(Guo)家(Jia)粮(Liang)食(Shi)安(An)全(Quan)的(De)同(Tong)时(Shi),(?)农(Nong)业(Ye)灌(Guan)溉(Gai)用(Yong)水(Shui)总(Zong)量(Liang)实(Shi)现(Xian)零(Ling)增(Zeng)长(Chang)。(?)5年(Nian)来(Lai),(?)全(Quan)国(Guo)新(Xin)增(Zeng)高(Gao)效(Xiao)节(Jie)水(Shui)灌(Guan)溉(Gai)面(Mian)积(Ji)1亿(Yi)亩(Mu),(?)高(Gao)效(Xiao)节(Jie)水(Shui)灌(Guan)溉(Gai)面(Mian)积(Ji)超(Chao)过(Guo)3亿(Yi)亩(Mu)。(?)
据(Ju)测(Ce)算(Suan),(?)在(Zai)高(Gao)效(Xiao)节(Jie)水(Shui)灌(Guan)溉(Gai)项(Xiang)目(Mu)区(Qu),(?)农(Nong)田(Tian)灌(Guan)溉(Gai)用(Yong)水(Shui)有(You)效(Xiao)利(Li)用(Yong)系(Xi)数(Shu)达(Da)到(Dao)0.8以(Yi)上(Shang),(?)与(Yu)传(Chuan)统(Tong)地(Di)面(Mian)灌(Guan)溉(Gai)相(Xiang)比(Bi)可(Ke)节(Jie)水(Shui)20%至(Zhi)50%。(?)2017年(Nian)项(Xiang)目(Mu)实(Shi)施(Shi)后(Hou),(?)可(Ke)新(Xin)增(Zeng)年(Nian)节(Jie)水(Shui)能(Neng)力(Li)17亿(Yi)立(Li)方(Fang)米(Mi),(?)相(Xiang)当(Dang)于(Yu)省(Sheng)出(Chu)121个(Ge)西(Xi)湖(Hu)的(De)蓄(Xu)水(Shui)量(Liang)。(?)《(?)2016年(Nian)水(Shui)资(Zi)源(Yuan)公(Gong)报(Bao)》(?)显(Xian)示(Shi),(?)去(Qu)年(Nian)全(Quan)国(Guo)生(Sheng)活(Huo)用(Yong)水(Shui)量(Liang)同(Tong)比(Bi)增(Zeng)加(Jia)28.1亿(Yi)立(Li)方(Fang)米(Mi),(?)人(Ren)工(Gong)生(Sheng)态(Tai)环(Huan)境(Jing)补(Bu)水(Shui)量(Liang)同(Tong)比(Bi)增(Zeng)加(Jia)19.9亿(Yi)立(Li)方(Fang)米(Mi),(?)农(Nong)业(Ye)节(Jie)水(Shui)为(Wei)水(Shui)资(Zi)源(Yuan)可(Ke)持(Chi)续(Xu)利(Li)用(Yong)作(Zuo)出(Chu)积(Ji)极(Ji)贡(Gong)献(Xian)。(?)
通(Tong)过(Guo)发(Fa)展(Zhan)高(Gao)效(Xiao)节(Jie)水(Shui)灌(Guan)溉(Gai),(?)项(Xiang)目(Mu)区(Qu)亩(Mu)均(Jun)增(Zeng)产(Chan)粮(Liang)食(Shi)10%至(Zhi)40%,(?)大(Da)幅(Fu)度(Du)提(Ti)高(Gao)粮(Liang)食(Shi)生(Sheng)产(Chan)能(Neng)力(Li)。(?)与(Yu)传(Chuan)统(Tong)灌(Guan)溉(Gai)相(Xiang)比(Bi),(?)高(Gao)效(Xiao)节(Jie)水(Shui)灌(Guan)溉(Gai)亩(Mu)均(Jun)可(Ke)减(Jian)少(Shao)用(Yong)工(Gong)3至(Zhi)5个(Ge)工(Gong)日(Ri),(?)提(Ti)高(Gao)化(Hua)肥(Fei)、(?)农(Nong)药(Yao)利(Li)用(Yong)率(Lu)5%至(Zhi)20%。(?)
据(Ju)介(Jie)绍(Shao),(?)到(Dao)2020年(Nian),(?)434处(Chu)大(Da)型(Xing)灌(Guan)区(Qu)和(He)2157处(Chu)重(Zhong)点(Dian)中(Zhong)型(Xing)灌(Guan)区(Qu)节(Jie)水(Shui)改(Gai)造(Zao)将(Jiang)基(Ji)本(Ben)完(Wan)成(Cheng)。(?)届(Jie)时(Shi),(?)全(Quan)国(Guo)高(Gao)效(Xiao)节(Jie)水(Shui)灌(Guan)溉(Gai)面(Mian)积(Ji)占(Zhan)有(You)效(Xiao)灌(Guan)溉(Gai)面(Mian)积(Ji)的(De)比(Bi)例(Li)将(Jiang)提(Ti)高(Gao)至(Zhi)30%以(Yi)上(Shang),(?)农(Nong)田(Tian)灌(Guan)溉(Gai)水(Shui)有(You)效(Xiao)利(Li)用(Yong)系(Xi)数(Shu)达(Da)到(Dao)0.55以(Yi)上(Shang)。(?) |