The main nutrients applied to dry beans in Ontario are nitrogen, phosphorous and potassium. Important micro-nutrients include manganese and zinc.
Sulphur has not been shown to be limiting for dry bean production in Ontario soils. Studies conducted to date on sulphur applied to dry beans have not resulted in yield increases.
Dry beans are very sensitive to boron.
Studies on fulvic and humic acid fertilizers have concluded that they do not increase dry bean yield.
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