9月上旬,我國北方棉區出現了往年少有的秋雨連綿天氣,使即將成熟的棉桃不能開放。9月10日ri,筆bi者zhe在zai我wo省sheng南nan部bu看kan了le幾ji塊kuai棉mian田tian,發fa現xian每mei株zhu棉mian花hua均jun有you爛lan桃tao,少shao則ze一yi兩liang個ge,多duo則ze三san四si個ge甚shen至zhi更geng多duo。由you於yu棉mian花hua采cai摘zhai初chu期qi植zhi株zhu茂mao盛sheng,即ji使shi雨yu天tian過guo後hou,棉mian株zhu底di部bu通tong風feng透tou光guang極ji差cha,在zai潮chao濕shi低di溫wen環huan境jing下xia仍reng會hui出chu現xian爛lan桃tao,為wei此ci,建jian議yi廣guang大da棉mian農nong采cai取qu以yi下xia措cuo施shi盡jin量liang減jian少shao損sun失shi。
去枝葉、開“天窗”duiyumaoshengdemiantian,yingjishizhaichuzhujingshangbudeyepian,jianqukongguozhi,bingchuququanbuyeyajiwuxiaohualei。zheyangbujinshizhenggemiantiantongfengtouguang,haikeyizhiyingyangshengchangjianshaoyangfenxiaohao,cushimianhuazhonghouqijinkuaichengshu。
推棉株、晾壟行采棉初期,一般棉田具有小壟密集枝葉重疊、大壟較寬行人頻繁,其間多有較大空隙,這一時期可進行推棉株、晾壟行。具體操作如下:在晴天無露水時,人站在棉花窄行中,用手扶住棉株頂端,用腳輕踩棉株根部,使相鄰兩行棉株相向傾斜呈“八”字形,讓外側枝葉占據寬行空隙。這樣原密集區域即可充分得到陽光照曬,曬上5~7天後,再反推過來,使棉株另一邊也能得到日曬。通過交替推株晾行,可以有效降低整個田間濕度,減少病菌滋生、繁殖,促使棉桃盡快開放。
搶摘“僵瓣棉”多duo賣mai錢qian棉mian花hua出chu現xian爛lan桃tao和he僵jiang瓣ban以yi後hou,要yao及ji時shi搶qiang摘zhai,回hui家jia後hou趁chen雨yu天tian或huo晚wan間jian剝bo開kai,並bing注zhu意yi在zai家jia中zhong搞gao好hao晾liang曬shai。廣guang大da棉mian農nong要yao注zhu意yi收shou聽ting天tian氣qi預yu報bao,在zai連lian陰yin雨yu前qian,抓zhua緊jin搶qiang收shou黃huang桃tao及ji開kai口kou桃tao,帶dai回hui攤tan晾liang在zai通tong風feng處chu,促cu使shi爛lan桃tao後hou熟shu。遇yu晴qing天tian可ke進jin行xing曝pu曬shai,然ran後hou用yong軟ruan木mu條tiao敲qiao打da蓬peng鬆song,而er後hou出chu售shou可ke提ti升sheng價jia錢qian減jian少shao損sun失shi。
生長後期噴乙烯利催熟用藥量與用法請參照說明書和天氣靈活掌握。一定要買知名廠家產品,保證品質。
手機版




