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土豆生長期多少天收獲 種土豆多少天收獲

  • 生活
  • 2023-04-19 18:20
土豆生長期90天左右收獲。土豆適宜種植在土質疏松、透氣性好、排水性好的沙質土壤中,種植前需要將土壤進行深翻,增加土壤的疏松性和透氣性,有利于植株生長發育。土豆生長期需要提供充足的水分和養分,促使植株茁壯生長。

  土豆塊莖形成期和膨大期,若有脫肥癥狀,可葉面噴施濃度0.5%尿素和0.3%磷酸二氫鉀2~3次,間隔5~7天。可適當添加微量元素,切忌噴施膨大素等生長調節劑類化學品。

  土豆播種后如遇天氣干旱,應及時灌水,確保出苗;發棵期、盛花期水分要充足;結薯初期要適當控水,少澆水或不澆水;結薯期,即當塊莖長至2~3cm時,要適天氣和土壤墑情及時灌溉;結薯后期和收獲前,要控制水分,避免澆水,防止病害發生和爛薯。

  土豆起收時挖掘深度要合理,防止丟薯和破皮傷薯。裝運時應輕拿輕放,運輸和貯藏時防止日曬、雨淋和凍害。

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