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南瓜要不要摘心

更新时间: 2020-10-19 00:00:00     

1、摘心的意思:摘心又叫打顶,是一项简单易行的作物增产措施,就是将植物正在生长的顶部摘除,从而达到控制植物生长,控制营养供给,促进增产、增收的目的;

2、摘心的作用:适时适度地摘心,能凋整株型、协调养分分配、提高农作物产量和品质;

3、摘心的原因:若不给南瓜摘心,南瓜的养份就会主要输送到顶芽,从而使藤蔓生长过快,供给开花结果养份减少,进而致使小南瓜无法长大甚至变黄脱落。故在南瓜蔓长2至3米时,就要采取摘心措施。

关键词: 南瓜 不要

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