鬆樹盤。銀杏根係發達,要求土壤含氧量高於6%,suoyi,jinruxiaji,baochizhuyaoxishougenzhouweidetuzhishusong,shishiyinxinggenxibaochigaoduhuoxingdejibentiaojian。yibanqingkuangxia,yinxingshuguanyixiadebuwei,yingdangchangqibaochishusong(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(yi)0.3—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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