1.0 link Rainbow Dash Network http://rainbowdash.net/ adiwan (adiwan) http://rainbowdash.net/adiwan http://rainbowdash.net/notice/5482854 Some of my tomatoes developed yellow or purple leaves. I bought some fertilizer because I read that these could be the signs of lacking nitrogen and phosphate in the soil, or potentially as well of some other elements.