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why are leaves on runner bean plants yellow?



Are you on very limey soil? This can happen on alkaline soil as the plants can't access enough magnesium and other trace elements. Try feeding the plants with a good well-balanced fertiliser as a foliar feed or spray. Bob Flowerdew swears by seaweed solutions, but although I use a seaweed based fertiliser, I haven't used it as a spray myself.

26 Jun, 2010

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