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用南瓜砧嫁接西瓜应注意的问题
更新时间: 2020-10-31 00:00:00  

1、嫁接苗的苗龄要适当缩短嫁接苗的苗期过长容易导致砧木根系老化,一般适宜的育苗期为35~40天。

2、要适当减少施肥量嫁接西瓜根系的吸肥能力较不嫁接西瓜的强,如果按常规栽培法进行施肥,容易引起嫁接植株徒长,在具体施肥时应当减少施肥量,特别是要减少氮肥的施肥量。

关键词: 南瓜 嫁接 西瓜 注意 问题

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