新梨7号梨树苗栽植时间 新梨7号梨树苗哪有卖

基地实拍图 参考价格 苗木名称 米经(cm) 高度(cm) 冠幅(cm) 地径(cm) 价格(元) 单位 新梨7号梨树苗 - - - 0.6 2 元/棵 新梨7号梨树苗 - - - 0.7 2.2 元/棵 新梨7号梨树苗 - - - 0.8 2.4 元/棵 新梨7号梨树苗 - - - 0.9 2.5 元/棵 新梨7号梨树苗 - - - 1 2.6 元/棵 详情说明   新梨7号梨树苗栽植时间 新梨7号梨树苗哪有卖新梨七号：生长速度快，4月份开花，6月中旬就可采食。自然采收期长，可从7月中旬延迟至8月底，与中熟品种相同。口感特点是特别酥、皮很薄，吃起来口感像香酥梨，特别爽口；丰产性很强，大部分以短果枝结果，单果重一般达180克左右，大的果可达到200克。新梨七号于1996年8月通过农业部成果鉴定，1997年5月通过山东省林木良种审定委员会的胜定。 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">梨树丰产种植技术   1 宋体;mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-font-family: 宋体;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin">、梨树苗良种壮苗。首先要选择在市场上有竞争力的名、特、优、新品种。各地应本着因地制宜，适地适树，扬长避短，适当集中的原则选用良种。  mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">健壮的苗木是早期丰产的基础。苗木质量如何直接影响栽植成活率，栽植后根系恢复的快慢，抽枝状况，对结果早晚、树势强弱、产量高低甚至寿命长短都有一定的影响。无论是自育苗木，还是购买苗木，都必须坚持苗木标准。一级梨苗标准：侧根长20 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">厘米以上，根数4 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">条以上，侧根基部粗度0.45 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">厘米以上，分布均匀，不偏于一方，舒展，不卷曲，有较多须根：茎高100 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">厘米以上，接口以上10 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">厘米处的直径0.8-1 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">厘米以上，茎已经木质化；健壮芽7 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">个以上；砧桩剪除愈合良好；无机械损伤；  2 mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-font-family: 宋体;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin">、梨树苗科学设计。栽植密度和形式不同，所采用的树形，地上、地下管理措施也不同。幼树期叶面积系数迅速增大，进入丰产期之后能维持较高的光合作用有效面积，方便管理。应采用*植株和临时植株同时定植，每亩栽植333 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">株或111 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">株比较好。*行株距2m mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">，行距5m mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">：在*行中间1m mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">栽植2 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">行临时行，株行距均为1m mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">，这样每亩可栽植333 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">株。栽植三年见果，四年很容易超过1500 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">公斤。若小行距2m mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">，大行距4m mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">，株距2m mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">，每亩可栽植111 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">株。  3 mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-font-family: 宋体;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin">、梨树苗精心整地、施足底肥。春季栽植的果园，要在头年秋季整地。*植株挖直径1100 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">厘米、深80 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">～100 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">厘米的定植穴。栽植密度较大、株距小的临时植株可以开50 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">～60 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">厘米宽、深60 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">厘米的定植沟。挖穴、沟时不要打乱土层，表土放在一边，心土放在一边，回填时注意先将肥沃表土填在根际周围。每株需要施15 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">～25 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">千克土杂肥和50 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">～100 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">克氮素化肥。栽树时把表土和有机肥按3:1 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">的比例混匀填在树苗根系附近。挖出的土回填到80 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">％时就灌水沉实，等水渗下以后再埋上余下的土。  4 mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-font-family: 宋体;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin">、梨树苗加强逐年管理。苗木定植后，要加强逐年管理，才能实现早期丰产。各年管理达到的目标是：*年，苗全苗壮。为了达到这一目标，在备苗时要多余10 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">～15 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">％，假植到行间或空地。  新梨7号梨树苗栽植时间 新梨7号梨树苗哪有卖 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">要做好间作，除草、根外追肥、防病灭虫和防寒工作。第二年促枝扩冠。春季解除防寒物、整形修剪，随之继续做好间作、除草、根外追肥、防病灭虫、施基肥、拉枝等田问管理。第三年成花见果。在做好修剪、追肥 minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">水、间作、中耕除草、根外追肥和秋施基肥、防病灭虫等综合管理的基础上，重点做好“刻”、“剥”、“拉”、“多”、“扭”促成花芽的措施。第四年优质丰产。在综合管理的基础上，着重做好人工授粉、疏花疏果，及时防治病虫等优质措施。人工授粉宜在盛花初期进行，一定要争取在开花3 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">天以内，抓紧时机进行人工授粉。 mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman";mso-bidi-theme-font:minor-bidi; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">梨树苗疏花疏果：花和果实的发育需要消耗大量的有机营养，如果花量过多，消耗大量营养，必然抑制新梢和根系生长，也影响当年的养分积累；如果幼果消耗营养过多，新梢生长将明显下降，也不利于花芽分化。