Sanchez questions whether iron oxide from a rusty pot is even in a form the plant can absorb effectively and how likely it is that the plant's roots will come into contact with the rust.

Owning a ton of pots and pans isn’t necessary ... decent nonstick, and workhorse cast iron being the most important). The rest should be determined by how much space you have, how often you ...

Such pots were very complex to make. Being able to produce one meant it was possible to make almost any iron componentCasting by pouring molten metal into a hollow mould is the quickest way of ...