Hi! I'm interested in this topic, because I have a biology's project and I chose to do a fertilizer with alkalines batteries, so I found your information really good and helpful.Is this fertilizer useful for plants like sunflower, rose or corn? And How much manganese and zinc is necessary to prepare the solution?
I hope to have an answer soon, I need to do it and check that it works.If you can help me with more infromation I will be more thankful.