硼和磷酸二氢钾可同时喷施吗?

2025-04-03 07:22:55
推荐回答(1个)
回答1:

磷酸二氢钾同硼肥可以混合,而钙肥不宜。下面具体介绍一下。

磷酸二氢钾作为农业生产中常用的一种高效肥料,能够对植物生长发育及生殖生长提供充足的养分。也是追肥或叶面施肥中非常常见的肥料。而硼肥对于开花后的生殖生长起到十分关键的作用。钙肥在叶面喷施或者土壤根施后通过叶面或者根系吸收,在植物体的细胞中参与植物细胞壁的构成,缺钙情况下应该细胞分裂及根系生长发育,同时钙对于钾氮磷的吸收也非常有帮助。像葡萄中施用,还能够预防裂果,延长果实贮存期。可以说翠姆螯合硼肥和钙肥也都是植物必要的两种肥料。

那么这几种肥料混合是否满足以上化肥混合原则呢?这里我们就要对这几种肥料及化学元素的性质有一个认识,首先来看磷酸二氢钾,肥料呈现弱酸性,水解后解离为钾离子、氢离子和磷酸根离子。而硼元素作为矿物元素,其通常会同氧结合为酸根,比如硼酸根,硼酸根同磷酸根同样为负价离子,因此两者之间不会有任何反应,而硼酸根同氢离子和钾离子结合均不会降低肥效,自然这两种肥料混合搭配使用的话,还会起到增产的效果。

而钙离子就不同了,金属二价离子钙会同磷酸根结合,生成磷酸钙,这样的话就会形成微沉淀,同时钙离子和钾离子在吸收过程中也会有拮抗反应,影响到彼此的吸收而降低肥效。

看到这里想必大家也就明白怎么回事了,在农业生产中对于肥料的性质及农药的化学性质一定要有一个比较正确的了解和认识,否则的话不仅不会增产还会降低肥料利用率。

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