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Crop requirement <br /> Micronutrient High Medium Low Deficiency situations Fertilizer recommendations <br /> iron(Fe) bean asparagus -high pH(>7.4) 1. Broadcast soil application: <br /> beet cabbage -prolonged cool wet ♦2.0-5.0 lbs Fe/a(FeSO4,Fe2[SO4]3) <br /> broccoli sweet corn conditions [methods 2,3 generally more effective] <br /> cauliflower -calcareous soils <br /> spinach -tissue<50 ppm 2.Band soil application: <br /> tomato ♦1.0-2.0 lbs Fe/ac(FeSO4,Fe2[SO4]3) <br /> ♦0.5 lbs Fe/acre(Fe-chelate) <br /> 3. Foliar application: • <br /> ♦0.5-1.0 lbs Fe/acre(FeSO4) <br /> +0.15-0.20 lbs Fe/acre(Fe-chelate) <br /> copper(Cu) beet broccoli asparagus -infertile sand 1. Broadcast soil application: <br /> lettuce b. sprouts bean,lima -organic soil ♦4-10 lbs Cu/acre(CuSO4,CuO) <br /> onion cabbage pea -very acid mucks <br /> spinach carrot potato -calcareous soils 2. Band soil application: <br /> cauliflower snapbean -tissue<2-5 ppm ♦1.0-2.5 lbs Cu/acre(CuSO4,CuO) <br /> celery +0.25-0.5 lbs Cu/acre(Cu-chelate) <br /> cucumber <br /> parsnip 3. Foliar application: <br /> radish +0.25 lbs Cu/acre(CuSO4) <br /> sweet corn [2 applications,2-3 weeks apart] <br /> tomato <br /> turnip comments-do not apply copper unless • <br /> a deficiency has been verified by <br /> plant analysis <br />