How to Feed Tomato Plants Nitrogen Organically

Caring for tomato plants organically is more time intensive than traditional methods. The key to healthy plants is proper nutrition. Nitrogen is an important nutrient in the growth and development of tomato plants. Organic growers use natural sources of nitrogen that come from nitrogen-fixing plants, compost, manure and organic meals such as bone, fish and blood meal. Preparing soil, rotating crops and natural supplements are the main methods of feeding tomato plants nitrogen organically. Does this Spark an idea?

Things You'll Need

  • Manure
  • Compost
  • Legume plants
  • Fish meal
  • Straw
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Instructions

    • 1

      Prepare the garden bed that will host tomato plants by mixing aged manure and compost into the soil. Dig the garden bed and remove the soil and set it aside. Layer the bottom with aged manure. Mix the existing soil with compost at a ratio of 1:1. Return the mixed soil to the garden bed.

    • 2

      Sprinkle around the base of the tomato plants with fish meal once bloom appears on the tomato plants, approximately 3 to 4 weeks after transplanting to the garden. Layer straw around the base of the plants to keep the fish meal from washing away during rain or watering. Straw will break down and slowly release nitrogen into the soil as well.

    • 3

      Remove spent tomato plants from the garden and replace with a legume plant such as peas for a fall crop. Legume plants are nitrogen-fixing plants that return nitrogen to the soil. Add compost and leave pea plants in the ground at the end of the growing season; turn under, mixing the compost and pea plants into the soil to prepare for planting in the spring.

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