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如何选择肥料 ?了解肥料的成分 - 种植玩家

如何选择肥料 ?了解肥料的成分

肥料类型中的氮磷钾比例。氮,磷和钾是肥料中最主要的组成部分。买肥料时注意观察一下,氮,磷和钾的比率将以三个数字(例如10-5-5)的序列显示在袋子上。这些数字对应于肥料的“N”(氮),“ P”(磷)和“K”钾比。在这种情况下,示例肥料将具有10%的氮,5%的磷和5%的钾。

  • 氮 N:促生长
  • 磷 P:促开花结果
  • 钾 K:促光合作用

1. 氮肥:

适量氮肥可以让叶子长得更加青绿,多用于草肥、菜肥和出芽后初期长叶子的时候,但种瓜果的话到了开花结果的时候要选氮肥比例低的,不然就光长叶子不长果了;氮肥含量高的有机肥料有blood meal(血粉), feather meal(羽毛粉)和liquid fish emulsion(鱼乳液)等;

何时补充氮肥:叶片生长期,特别时叶片不够绿时。

2. 磷肥:

适量磷肥有助于根茎生长,促进开花结果、增加作物产量以及改善品质,等开花结实的时候应选含磷高些的,磷肥含量高的有机肥料有bone meal(骨粉), seabird guano(海鸟粪)和很多liquid blends(液体混合肥)等;

何时补充磷肥:开花结果期。

3. 钾肥:

适量钾肥能使作物的茎秆长得更结实,促进根茎发育,增强抗旱、抗寒、抗病虫害能力,吃根茎果实的作物也需要更多钾肥。

钾肥含量高的有机肥料有 sul-po-mag(硫酸钾镁肥), palm bunch ash(棕榈灰)以及很多液体肥料等。