单株葡萄树,种在地里,浇复合肥水比例是多大呢?

2025-03-16 04:15:35
推荐回答(2个)
回答1:

将复合肥稀释300-400倍液,浇灌葡萄树比较适宜。在生长季节,每隔两个月左右浇灌一次为宜。

回答2:

按葡萄各物侯期需水情况进行浇水或控水保证葡萄正常生长和结 、浇水 ①浇催芽水从春季葡萄树汁液流动、萌芽至开花前30-40天此时正值春旱季节葡萄萌芽、抽枝、展叶、花序继续分化和生长急需大量水分所要灌1-2次水根部灌透止也宜过多浇水免影响地温上升 ②浇花前水干旱地区要开花前15天左右浇水样做有利于开花和坐 ③浆膨大期浇水从生理落花落结束至实着色前50~80天浆膨大期因品种同本期长短也同此期新梢旺盛生长实开始迅速膨大葡萄吸收肥水高峰期加上气温高叶片蒸发量大般每隔10-15天要浇水次遇雨天则灌或少浇水 ④秋施基肥浇水从实采收至第二年萌芽前要施优质有机基肥般称秋施基肥施肥时要求沟深0.6-0.8米有机肥与表土混匀回填灌足水使其沉实防透风 ⑤适时浇封冻水冬季浇水提高土温防止冻害北方地区冬季葡萄埋防寒土前10天应灌次封冻水其目提高防寒效防止根系冻害和早春干旱浇水时定要灌足土壤达饱和状态标准待地面土壤稍干时再进行埋土防寒 二、控水 ①开花期控水葡萄从初花期至末花期10-15天若花期遇雨会影响授粉受精容易出现大小粒现象也容易引起枝蔓徒长消耗营养过多严重影响花粉萌发造成落花落蕾而减产 ②浆着色期要适当控水葡萄着色期时间长般从着色初至采收20-30天间灌次水即浆成熟期水分过多(或降雨)会影响着色降低品质还易发生炭疽病和白腐病等有些品种还易出现裂了提高浆含糖量和品质要注意控水和排水

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