Homespun versions of fertilisers are likely to have more downsides than up
I see them every day on my social media feeds – the amazing “home remedy” fertilisers that promise to dramatically boost the growth of houseplants. Everything from leftover pasta water to banana skin – even whole eggs – are touted as all-purpose elixirs. But how legitimate are these claims?
Let’s start with pasta water, which contains starch that leaches out during the cooking process. It is claimed that when cooled this starch solution is a plant fertiliser the effects of which verge on the miraculous.
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