dg真人游戏

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莲藕田杂草防治技术

发布日期: 2018-02-26 11:52

lianouzaidgzhenrenyouxiguojuyouyoujiudezaipeilishi,shushuiliankeduonianshengshuishengcaobenzhiwu,shirenmenxiaidezhuyaoshucaizhiyi。lianoushengzhangqianqi,tianjianshuicengjiaoqian,liyuzacaofasheng,zacaofashengzhongleiduo、shuliangda;lianoushengzhangzhonghouqi,tianjianshuicengjiaoshen,jiazhilianouzhizhugaoda,fengxingzao,tianjianyubichengdugao,buliyuzacaofasheng,fashengqing。butongleixingtiankuai,qicaoxiang、fashengchengdubutong,qianshuiouyishishengzacaoweizhu,shenshuiouyishuishengzacaoweizhu;xinchatianzacaofashengqing,lianchatianzacaofashengzhong(tu17-161)。

lianouyouyuqiteshudeshengzhanghuanjing(shuisheng),zaijiazhishengzhangxunsu、zhizhugaoda、fengxingzao、tianjianyubichengdugaodeng,zaiqishengzhangzhonghouqinanyikaizhanchucaogongzuo。yinci,zaidamianjifangchugongzuozhong,yingjianchi“yinongyecuoshiweijichu,yaojifangchuweizhongdian,yaqiankonghou,yiouyicao”decelve,quanchengkongcao,quebaojiangcaohaizaochengdesunshijiangdaozuidixiandu。

dg真人游戏nongyefangzhicuoshishilianoutianzhongyaodechucaofangfa。youtiaojiandedifang,dingqishixingshuihanlunzuo,keyixianzhujianshaozacao;kongshuizhixizacao,zailianouzaizhichuqi,guanshuishendu2~3cm,danglianouliye2~3pianshi,guanshuishendukejiadadao10~16cm,baochishenshui4~5tian,nengjiangdabufenzacaoyoumiaoshasi;duiyizhangchushuimiandedazhuzacao,yongrengongbachuhousuijicairennituoufei;tongshichanchutiangengzacao。

dg真人游戏huaxuechucaokeyiyouxiaodifangzhigezhongzacao。shengchanshangyaojiehelianoudeguanlitedianjishicaiquchucaojifangzhi,zhongouzaizhihou3~7tian,baochi3~5cmdeqianshuiceng,yilitigaodiwen,cujinouyamengfashengzhang。suizhezhizhudeshengzhangjifenzhidexingcheng,shuicengzhububaochizai7~12cm,zhixiajigaowenjijie,shuicengbaochi20~30cm,jinrujieouqihoubaochi12~15cmdeqianshuiceng,yilijieou,bingcujinlianoukuaisushengzhang。

yibandangnianyizaidexinliantian,kezailianouxiazhong7~10tianhoushiyongchucaoji,zheishiliantianzacaodabufenkaishimengfa,shihoubudankeshasimengyazacao,erqieduihouqizacaodefayaqidaoyizhidezuoyong,shiliantianqianqibuhuizaoshoudaozacaodeweihai。

dg真人游戏lianouzaizhong7~10tianhou,shuiwenwendingzai20℃yishangshi,keyong50%pucaojingkeshixingfenji40~50g/mu、huo60%dingcaoanruyou75~100ml/mu、12%ecaotongruyou125~150ml/mu,yuzacaomengfaqianshiyao,yongxitubanchengkelizhuangdedutu,junyunsashiyutianmian,baochi3~5cmshendeshuiceng,yue5~7tiankejianchengxiao。shiyonghuaxuechucaoshiyaozhuyisandian: yishiyinyutianbuyishiyao;ershishuiwendiyu20℃shibushiyao;sanshishiyaohououtianzhijianbuyichuanguan,yifangyaohai。danyouyulianouchuyushuishenghuanjing,yibanshuicengjiaoshen,chucaojidechucaoxiaoguowangwangnanyibaozheng,xinxingchucaojideshaixuanyoudaiyujinyibuyanjiu。

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