當前,全省部分地區普降大到暴雨,一些地區旱澇急轉。結合我省早稻生長和中稻秧苗的長勢情況,特提出水稻管理應對措施。
一、因田製宜,及時排水降漬。
加大農機具投入,搶排農田積水,疏通田間溝渠,努力減輕漬澇影響。做好水稻田間三溝的疏通、清淤工作,及時排除田間積水。稻田排水時應注意,在高溫烈日期間,要逐步緩排,保留適當水層,使稻苗逐漸恢複生機;在陰雨天,可將水一次性排幹,有利於秧苗恢複生長。
二、因苗製宜,加強受災田塊管理。
1、qiangguanzaodao。dangqianzaodaoyijinruyousuifenhuajieduan,zhengshixushuideguanjianshiqi。gediyaojishilumiaoxiye。duibufenshouyanguodingqieyanshuishijianjiaochangdeshuidao,shuiweixiajianghouyaojishiqingxiyepianshangdenijiang,yihuifuyepianzhengchangdeguanghejineng,cujinzhizhuhuifushengchang。chongfenliyongxianyoushuiyuan,tuiguangshirunguangaijishu,ji"淺-濕-露"灌溉方法,做到科學用水、節jie約yue用yong水shui。對dui孕yun穗sui期qi的de早zao稻dao田tian,要yao按an照zhao不bu同tong類lei型xing田tian塊kuai的de苗miao情qing分fen類lei指zhi導dao,看kan苗miao施shi肥fei,尤you其qi是shi對dui弱ruo苗miao遲chi苗miao重zhong點dian施shi好hao孕yun穗sui肥fei,確que保bao大da麵mian積ji平ping衡heng生sheng長chang。要yao及ji時shi追zhui施shi穗sui粒li肥fei。根gen據ju苗miao情qing每mei畝mu追zhui施shi穗sui粒li肥fei尿niao素su3~5千克,鉀肥2~4千克。在劍葉抽出和灌漿期根外噴施磷酸二氫鉀,每畝用75-100克,兌水50千克,噴霧1~2次;或(huo)每(mei)畝(mu)根(gen)外(wai)噴(pen)施(shi)一(yi)包(bao)噴(pen)施(shi)寶(bao),以(yi)提(ti)高(gao)水(shui)稻(dao)的(de)結(jie)實(shi)率(lv)和(he)千(qian)粒(li)重(zhong)。當(dang)前(qian)天(tian)氣(qi)極(ji)有(you)利(li)於(yu)遷(qian)飛(fei)性(xing)蟲(chong)害(hai)發(fa)生(sheng),田(tian)間(jian)濕(shi)度(du)加(jia)大(da),也(ye)有(you)利(li)病(bing)害(hai)發(fa)生(sheng),各(ge)地(di)要(yao)密(mi)切(qie)注(zhu)意(yi),加(jia)強(qiang)稻(dao)飛(fei)虱(shi)、稻縱卷葉螟、稻瘟病等病蟲害防治。可應用井岡黴素等藥劑防治紋枯病1~2次,破口前3~5天,用丙環唑、苯丙甲環唑(愛苗)防治稻曲病,同時,因及時防治三代三化螟、稻縱卷葉螟、稻飛虱等害蟲。
2、搶插中稻。中稻由於秧齡彈性大、生育期長,就全省而言還有幾天的適插期,襄陽等地在災害年份可以栽到6yuexiaxun,baozhengzhongzhimianjihaiyoushijiankegan。duiqianqiyinhanwufazhengtianchayangdezhongdaotian,yaoguangpishuiyuan,qiangshuizhengtian,qiangshizaicha,jinliangzaishichaqizaichawanbi。yizaiqiandahaosongjiayaohesongjiafei,zuzhihaozhongdaoyangmiaodetiaojigongzuo。tongshi,yaojiaqiangduiyichazhongdaodefeishuiguanlihebingchonghaifangzhi。genjuyangmiaodechangshiqingkuang,shidangzhuishifeiliao;重點防治稻飛虱和稻薊馬。
3、搶育晚稻。當前要重點抓育足育好晚稻秧。我省晚稻育秧時間在6月中下旬,目前黃岡、荊(jing)州(zhou)等(deng)地(di)已(yi)開(kai)始(shi)整(zheng)田(tian)育(yu)秧(yang)。今(jin)年(nian)早(zao)稻(dao)因(yin)旱(han)造(zao)成(cheng)播(bo)栽(zai)時(shi)間(jian)拉(la)長(chang),可(ke)能(neng)對(dui)晚(wan)稻(dao)移(yi)栽(zai)造(zao)成(cheng)影(ying)響(xiang)。一(yi)方(fang)麵(mian),要(yao)力(li)爭(zheng)早(zao)稻(dao)損(sun)失(shi)晚(wan)稻(dao)補(bu),盡(jin)量(liang)擴(kuo)大(da)晚(wan)稻(dao)麵(mian)積(ji);另一方麵,農戶可通過倒推生育期,備種備肥、適時播種。
三、因時製宜,抓好補種改種。
要及時補種"早翻晚"。對dui淹yan死si的de中zhong稻dao和he晚wan稻dao秧yang田tian,要yao及ji時shi翻fan耕geng整zheng田tian,采cai用yong早zao中zhong熟shu早zao稻dao品pin種zhong,實shi行xing翻fan秋qiu種zhong植zhi。可ke采cai取qu免mian耕geng直zhi播bo,加jia強qiang肥fei水shui管guan理li和he化hua學xue除chu草cao,三san葉ye一yi心xin時shi噴pen施shi多duo效xiao唑zuo,培pei育yu早zao發fa壯zhuang苗miao,搭da好hao豐feng產chan苗miao架jia。
同tong時shi,要yao選xuan好hao對dui路lu品pin種zhong,抓zhua好hao改gai種zhong。淹yan水shui絕jue收shou且qie補bu種zhong季ji節jie跟gen不bu上shang的de田tian塊kuai,可ke選xuan好hao適shi宜yi的de旱han地di作zuo物wu品pin種zhong水shui改gai旱han,力li爭zheng多duo種zhong多duo收shou。可ke選xuan用yong生sheng育yu期qi短duan的de玉yu米mi、綠豆、紅苕、蕎麥等秋雜糧品種或蘿卜等蔬菜品種改種。
手機版




