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不同施氮水平下水稻灌排模式是怎样的?

发布时间:2020-7-23    本文被阅读 1531 次

为了选取实现高效、节水、控污3个目标的水稻灌排模式,以农田水位为调控指标,在3个施氮水平下设置了不同的灌排模式,研究水稻在不同模式下的产量及其构成因素,利用基于熵权法的TOPSIS模型对这些灌排模式进行评价。

        



不同施氮水平下水稻灌排模式是怎样的?


       WEILEXUANQUSHIXIANGAOXIAO、JIESHUI、KONGWU3GEMUBIAODESHUIDAOGUANPAIMOSHI,YINONGTIANSHUIWEIWEIDIAOKONGZHIBIAO,ZAI3GESHIDANSHUIPINGXIASHEZHILEBUTONGDEGUANPAIMOSHI,YANJIUSHUIDAOZAIBUTONGMOSHIXIADECHANLIANGJIQIGOUCHENGYINSU,LIYONGJIYUSHANGQUANFADETOPSISMOXINGDUIZHEIXIEGUANPAIMOSHIJINXINGPINGJIA。JIEGUOBIAOMING:FENNIEQIHANLAOJIAOTIXIEPODUISHUIDAODECHANLIANG、KONGWUZHIBIAODEYIZHIZUOYONGHENMINGXIAN;RUSHUQIHANLAOJIAOTIXIEPODECHULIDUIJIESHUIZHIBIAODEFUMIANYINGXIANGDA.ZAIHANLAOJIAOTIXIEPOXIADANFEISHIYONGLIANGDISHI,DUISHUIDAOFAYUYOUJIAOMINGXIANDEYIZHIZUOYONG;GAODANFEISHIYONGLIANGCHULIDESHUIDAOCHANLIANGBINGMEIYOUXIANZHUZENGZHANG,GAODANFEICHULIDANSUDELINRONGLIANGBIDIDANFEICHULIGAO.LIYONGTOPSISMOXINGDEDAOSHIDANLIANG300 kg/hm2XIADEKONGZHIGUANPAIMOSHIDEXIANGDUITIEHEDUWEI0.694 5.FENNIEQIHANLAOJIAOTIBUZHIDUIYUSHUIDAODESHENGZHANGFAYUDEBULIYINGXIANGHENDA,QIKONGWUXIAOGUOYEHENCHA.TONGGUOMOXINGJISUAN,HAODEGUANPAIFANGANSHISHIDANSHUIPINGWEI300 kg/hm2DEKONGZHIGUANPAIMOSHI。


结论:


      1)HANLAOJIAOTIXIEPOSHINANFANGSHUIDAOZHONGZHIQUJINGCHANGFASHENGDEXIANXIANG,GESHENGYUQIDEHANLAOJIAOTIXIEPODAOZHILESHUIDAOMINGXIANDEJIANCHAN;CHOUSUIKAIHUAQIHERUSHUQISHOUHANLAOJIAOTIXIEPODECHULISHUIFENLIYONGLVMINGXIANJIANGDI;BAJIEYUNSUIQIHECHOUSUIKAIHUAQISHOUHANLAOJIAOTIXIEPODECHULIDANLINSULINRONGLIANGJIAOGAO。

      2)HANLAOJIAOTIXIEPOXIABUTONGSHIDANSHUIPINGDESHIYANCHULIZAICHANLIANGSHANGDECHAYIJUYOUTONGJIXUEYIYI,DANFEISHIYONGLIANGDISHI,DUISHUIDAODEFAYUYOUJIAOMINGXIANDEYIZHIZUOYONG;ERGAODANFEISHIYONGLIANGDECHULI,SHUIDAOCHANLIANGBINGMEIYOUXIANZHUZENGZHANG,BUTONGSHIDANSHUIPINGDUISHUIFENLIYONGLVDEYINGXIANGBUXIANZHU,GAODANFEICHULIDANSUDELINRONGLIANGBIDIDANFEICHULIGAO。

       3)TONGGUOKEGUANFUQUANFAZHONGDESHANGQUANFA,JICHANLIANG、JIESHUI、KONGWU3GEYIJIZHIBIAOXIADE9XIANGZHIBIAOFUYULEQUANZHONG,ZAITONGGUOTOPSISFADUIGEZHONGBUTONGGUANPAIMOSHIHESHIDANSHUIPINGDE15ZHONGCHULIJINXINGLEZHENGTIPINGJIA,WEISHUIDAOSHENGCHANZHONGZHIDINGHELIDEGUANPAIFANGANTIGONGLEYIJU.YIJUSHUIDAOGUANPAIMOSHIPINGJIAMOXING,PINGJIAJIEGUOBIAOMINGZAIKONGZHIGUANPAITIAOJIANXIASHIDANSHUIPINGWEI300kg/hm2DEGUANPAIMOSHIJIEJINMUBIAOWEICHANLIANGGAO、JIESHUIHEKONGWUDELIXIANGJIEGUO。

不同施氮水平下水稻灌排模式是怎样的?
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