鬆樹盤。銀杏根係發達,要求土壤含氧量高於6%,所(suo)以(yi),進(jin)入(ru)夏(xia)季(ji),保(bao)持(chi)主(zhu)要(yao)吸(xi)收(shou)根(gen)周(zhou)圍(wei)的(de)土(tu)質(zhi)疏(shu)鬆(song),是(shi)使(shi)銀(yin)杏(xing)根(gen)係(xi)保(bao)持(chi)高(gao)度(du)活(huo)性(xing)的(de)基(ji)本(ben)條(tiao)件(jian)。一(yi)般(ban)情(qing)況(kuang)下(xia),銀(yin)杏(xing)樹(shu)冠(guan)以(yi)下(xia)的(de)部(bu)位(wei),應(ying)當(dang)長(chang)期(qi)保(bao)持(chi)疏(shu)鬆(song)(成片銀杏園內,每年至少翻耕二次)。另外在銀杏主幹周圍3—4米的範圍內,還可種植一些比較耐陰的作物,如生薑、葉用蔬菜等,這樣既利於銀杏的生長,又可以增加經濟收入。
施肥。據試驗資料表明,通常情況下,生產100公斤的白果約需消耗氮素7—8公斤,磷素12—15公斤,鉀素8—10公斤,此外還需追施鈣、鐵、硼、鋅xin等deng多duo種zhong營ying養yang元yuan素su,有you條tiao件jian的de地di區qu可ke施shi用yong餅bing肥fei,因yin為wei銀yin杏xing對dui餅bing肥fei的de適shi應ying性xing較jiao強qiang,在zai果guo實shi膨peng大da前qian期qi追zhui施shi,可ke使shi果guo實shi迅xun速su生sheng長chang而er不bu會hui脫tuo落luo。入ru夏xia後hou,追zhui施shi氮dan肥fei應ying慎shen重zhong,應ying根gen據ju植zhi株zhu長chang勢shi而er定ding,一yi般ban以yi0.3—0.5%的尿素溶液葉麵噴施或者用1—2%尿素液根部地麵潑澆。
注意排水與灌溉。銀杏喜濕潤,但又怕積水。試驗表明,河提圩堆砂性土壤上生長的銀杏樹在流水上浸泡7天以內,不會造成致命的危害,但浸水的時間超過10tian,jishishiliushui,yehuidaozhiyinxinggenxidesiwang。suoyibaoyuzhihou,youqishiyudaoyinyulianmiandetianqi,huozheyouyutuzhizhanzhong,paishuibuliang,dixiashuiweibuzu1.2米時,都要特別注意做好開溝排水工作。
yinxingbunaijishui,yebunaiguoduganhan。kongqishiduguodiyetongyanghuiyingxiangdaoyinxingdeshengchanghejieshi,tebieshizhongshixunsupengdaqijihuayafenhuaqi,biaoxianyouweituchu。changqiganhanbujinshidangniandezhongshidafudubianxiao,yehuiyingxiangdaodierniandechanliang,yinci,tianqilianxuganhanshi,yaoshidangduiyinxingyuanjinxingshishijiaoshuiguangai,youqishixushuiliangdadegaowenganhanjijie。
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