小麥冬前管理應適時澆水及時補苗
眼下,北方大部分地區的小麥正處於出苗期,但由於今年10月yue份fen以yi來lai氣qi溫wen偏pian高gao土tu壤rang蒸zheng發fa大da,幹gan旱han現xian象xiang有you所suo抬tai頭tou,以yi至zhi於yu部bu分fen地di區qu底di墒shang不bu足zu,對dui小xiao麥mai出chu苗miao造zao成cheng了le一yi定ding影ying響xiang。如ru何he加jia強qiang這zhe一yi時shi期qi的de小xiao麥mai田tian間jian管guan理li,中zhong國guo農nong科ke院yuan作zuo物wu科ke學xue研yan究jiu所suo的de小xiao麥mai專zhuan家jia張zhang老lao師shi日ri前qian接jie受shou了le本ben報bao記ji者zhe采cai訪fang。
據ju張zhang老lao師shi介jie紹shao,加jia強qiang小xiao麥mai冬dong前qian管guan理li十shi分fen重zhong要yao,首shou先xian要yao對dui土tu壤rang墒shang情qing較jiao差cha的de地di塊kuai適shi時shi澆jiao越yue冬dong水shui,施shi肥fei不bu足zu的de麥mai田tian應ying結jie合he澆jiao水shui補bu施shi化hua肥fei,同tong時shi對dui播bo後hou沒mei有you鎮zhen壓ya的de麥mai田tian塌ta實shi土tu壤rang,防fang止zhi跑pao墒shang,促cu進jin小xiao麥mai根gen係xi吸xi水shui。另ling外wai,對dui小xiao麥mai播bo種zhong後hou因yin種zhong子zi質zhi量liang差cha,整zheng地di質zhi量liang粗cu放fang,土tu壤rang幹gan燥zao缺que水shui,或huo鼠shu害hai、地di下xia害hai蟲chong危wei害hai造zao成cheng的de出chu苗miao不bu齊qi等deng問wen題ti,應ying及ji時shi采cai取qu措cuo施shi進jin行xing彌mi補bu。如ru催cui芽ya補bu種zhong,對dui缺que窩wo斷duan條tiao嚴yan重zhong的de麥mai田tian,要yao搶qiang在zai小xiao麥mai出chu苗miao初chu期qi,將jiang同tong一yi品pin種zhong的de種zhong子zi進jin行xing浸jin種zhong保bao濕shi催cui芽ya,待dai種zhong子zi萌meng芽ya後hou,立li即ji進jin行xing補bu種zhong。以yi苗miao補bu苗miao,對dui局ju部bu出chu現xian少shao數shu缺que窩wo少shao苗miao現xian象xiang的de麥mai田tian,可ke帶dai泥ni移yi栽zai同tong一yi品pin種zhong麥mai田tian內nei的de麥mai苗miao,達da到dao全quan田tian苗miao情qing基ji本ben一yi致zhi。以yi肥fei增zeng苗miao,搶qiang在zai麥mai苗miao出chu土tu至zhi三san葉ye期qi前qian,以yi速su效xiao氮dan肥fei為wei主zhu,配pei合he腐fu熟shu人ren畜chu糞fen水shui,早zao施shi重zhong施shi苗miao肥fei,以yi肥fei促cu進jin小xiao麥mai早zao分fen蘖nie、多分蘖,以彌補小麥苗期基本苗的不足。http://www.98fo.cn



