1.出chu苗miao率lv高gao。杜du梨li種zhong子zi很hen小xiao,稍shao微wei操cao作zuo不bu慎shen就jiu會hui降jiang低di出chu苗miao率lv,甚shen至zhi沒mei有you苗miao。假jia如ru種zhong子zi本ben身shen有you問wen題ti,出chu苗miao率lv就jiu更geng低di了le。即ji使shi種zhong子zi沒mei有you問wen題ti,冬dong季ji沙sha藏zang和he沙sha藏zang後hou的de保bao管guan出chu了le問wen題ti也ye可ke能neng造zao成cheng全quan軍jun覆fu沒mei。以yi上shang這zhe些xie問wen題ti在zai生sheng產chan上shang經jing常chang出chu現xian,因yin此ci梨li樹shu育yu苗miao漸jian漸jian轉zhuan向xiang分fen工gong,培pei育yu梨li樹shu苗miao的de可ke直zhi接jie購gou買mai小xiao杜du梨li苗miao栽zai種zhong。
2.根係好。杜梨根係發達,須根多,入土深,適應性強,抗旱、耐澇、耐鹽堿。
3.chengmiaolvgao。zhijiezaizhongxiaodulimiaoyumiao,meimudadaochushoubiaozhundechengmiaobilibizhongziyumiaodadeduo,zheshiyinweizaizhongdexiaodulimiaoyijingyoulebijiaofadadegenxi,jiajieshimiaozibijiaocuda,dadaojiajiebiaozhundeshumiaoduo,jiajiehoushengchangyekuai。
4.出圃快。假如栽種的杜梨苗比較大,栽後就可以嫁接,一年就可以出售。
5.苗miao圃pu地di裏li長chang草cao少shao。栽zai種zhong的de杜du梨li苗miao比bi播bo種zhong的de杜du梨li苗miao出chu芽ya早zao,生sheng長chang快kuai,在zai一yi定ding程cheng度du上shang能neng抑yi製zhi雜za草cao的de生sheng長chang。而er播bo種zhong的de杜du梨li樹shu苗miao經jing常chang缺que苗miao斷duan壟long,極ji易yi造zao成cheng雜za草cao叢cong生sheng。
6.投入產出比小。小杜梨苗一般的價格在幾分錢到1毛多,視其大小而不同,成本當然高於購買種子,但是每畝的出苗率高(一般可以多3000棵以上),出售時單株的質量、價格都優於傳統的育苗方法。
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