Seed-placed fertilizer

  • Seed-placed fertilizer safety

    Seed-placed fertilizer

    The safest method for seed-placed fertilizer is to put nothing with the seed. However, with low-medium soil test results, it’s often beneficial to put ammonium phosphate with the seed at a safe rate, and put all other fertilizers in a band away from the seed row.

    Table 1. Safe rates of seed-placed N

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  • Quiz for April 29, 2015

    Seed-placed fertilizer

    What nutrient SHOULD go in the seed row? Which nitrogen product definitely should NOT go in the seed row? What conditions improve the safety of seed-placed fertilizer?

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  • Seed-place ammonium phosphate only

    Seed-placed fertilizer

    The bottom line for seed-placed fertilizer in canola:
    1. Apply plant available sources of nutrients.
    2. Place a modest rate of P in the seedrow. At rates over 20 lb./ac., the salt component in MAP, for example, can start to set back seedling survival.
    3. Place N and S in a band away from the seed.

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  • Principles of good seed placement

    Seed-placed fertilizer

    Growers are still better off seeding 1/2” to 1” deep and waiting for rain rather than trying to chase moisture in fields where the top layer of soil has dried out. The principles of good seed placement still apply. These are…

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  • Safe rates of seed-placed nitrogen

    Seed-placed fertilizer

    Safe rates of seed placed fertilizer depend on seedbed moisture conditions, soil type, row-width utilization, and nitrogen source. For example, the safe rate of seed-placed nitrogen is only 10 pounds of actual nitrogen per acre when using a 1” knife on 9” spacing and seeding into moist, medium soils.

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