栽苗稠改為合理稀植。冬季氣溫低、光guang照zhao弱ruo,作zuo物wu光guang合he作zuo用yong較jiao差cha,合he理li稀xi植zhi才cai能neng高gao產chan。植zhi株zhu過guo密mi還hai會hui因yin爭zheng光guang向xiang上shang徒tu長chang,坐zuo瓜gua率lv下xia降jiang。通tong風feng不bu良liang又you易yi感gan染ran多duo種zhong病bing害hai,況kuang且qie葉ye片pian稠chou難nan打da藥yao,一yi旦dan病bing情qing蔓man延yan,很hen難nan徹che底di治zhi愈yu。
平畦栽改為溝栽或壟栽。溝栽即在平地上挖溝,將秧苗栽植在溝的兩側,一般溝深30-35厘米。壟栽即起壟栽培,將秧苗栽植在壟的兩側,一般壟高20-25厘米。壟栽或溝栽,見光麵大,利於地溫的提高;根際土壤透氣性好,利於生根,可大幅度增強植株的抗病抗逆能力和連續結瓜能力;便於控製肥水,以免水大傷根、肥大燒根。
緩huan苗miao後hou灌guan根gen防fang病bing改gai為wei定ding植zhi時shi穴xue施shi藥yao劑ji防fang病bing。針zhen對dui土tu傳chuan病bing害hai嚴yan重zhong,特te別bie是shi嫁jia接jie黃huang瓜gua擬ni莖jing點dian黴mei根gen腐fu病bing嚴yan重zhong的de情qing況kuang,很hen多duo菜cai農nong都dou采cai用yong定ding植zhi緩huan苗miao後hou灌guan根gen的de方fang法fa防fang病bing。該gai法fa雖sui有you一yi定ding效xiao果guo,但dan費fei工gong費fei時shi、藥效短。因而,可改為在定植時穴施藥劑的方法防病。
陰天定植改為晴天定植。陰天定植,棚內光照弱、濕度大,不利於生根;晴天定植,雖然定植後秧苗易萎蔫,但是利於生根、緩苗。另外,定植時要將秧苗按大、中、小xiao分fen級ji,搬ban運yun到dao定ding植zhi溝gou或huo壟long旁pang。從cong整zheng個ge棚peng室shi來lai看kan,大da苗miao應ying放fang到dao東dong西xi兩liang頭tou和he棚peng室shi前qian部bu,小xiao苗miao宜yi放fang到dao棚peng室shi中zhong間jian。從cong一yi行xing來lai看kan,大da苗miao在zai前qian,小xiao苗miao在zai後hou,一yi般ban苗miao居ju中zhong,這zhe樣yang有you利li於yu植zhi株zhu後hou期qi生sheng長chang整zheng齊qi一yi致zhi。
施shi肥fei多duo改gai為wei科ke學xue施shi肥fei。黃huang瓜gua高gao產chan離li不bu開kai施shi肥fei,但dan並bing不bu是shi肥fei料liao施shi得de越yue多duo,產chan量liang就jiu越yue高gao。關guan鍵jian是shi施shi什shen麼me肥fei,怎zen麼me施shi用yong。施shi肥fei量liang的de多duo少shao不bu能neng僅jin以yi公gong斤jin數shu來lai定ding,還hai要yao看kan肥fei料liao的de成cheng分fen和he含han量liang。 肥料不在量多,勁足對路才行 。要yao科ke學xue施shi肥fei,不bu能neng單dan憑ping感gan性xing經jing驗yan盲mang目mu施shi肥fei。隻zhi有you按an照zhao黃huang瓜gua的de需xu肥fei特te點dian和he各ge個ge棚peng內nei的de具ju體ti供gong肥fei條tiao件jian,科ke學xue合he理li地di選xuan用yong優you質zhi肥fei料liao,平ping衡heng全quan麵mian施shi肥fei,才cai能neng實shi現xian黃huang瓜gua的de優you質zhi高gao產chan。
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