Okay. Now on to observations.
In Box 2, all the sweet potatoes are growing quite well. I suppose that it is reasonable to conclude that, by now, maybe sweet potatoes are immune to their own allelochemicals? It would make a lot of sense.
In the smaller pot, the sunflowers have continued growing.
But in Box 1, Sunflower 1 is beginning to turn yellow! Yayyyyyy!!!!! The lower leaves of the plant are turning noticeably yellow - I suppose the allelochemicals are finally doing their work in a very visible way. :) If you can see the photo, it is of the yellowing bottom leaves.
If you can see it. All my photos are being dodgy!
Also, the carrot plant has stopped being eaten so badly - it looks like it's recovering. Perhaps there will be no need for insecticide. However, the bottom leaves are also turning slightly yellow - well, paling in comparison to the leaves and upper parts of the plant. Yay!!
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