Maintaining Soil Health: Improving Soil Without Chemical Fertilizers

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By Gi Pyeong Lee
Natural Farming Outdoor Strawberries Soil Analysis Star Barn Farmers Ecological Farming Ecological Fertilizer

Hello?
This is "Outdoor Strawberries?" from the <Star Barn Farmers> group.
Farmers, today I would like to talk about how you can maintain and improve soil health on your farm using natural methods without fertilizers. Based on recent soil analysis results, I will identify problems and introduce various natural ways to solve them.

? Soil Analysis Result Summary

The results of the recent soil analysis are as follows:

  • pH: 5.3 (Optimal range: 6.0~6.5) - ?️ Acidification
  • Organic Matter: 178 g/kg (Optimal range: 101~150 g/kg) - ✅ Optimal
  • Available Phosphate: 56 mg/kg (Optimal range: 250~350 mg/kg) - ⚠️ Very Low
  • Potassium: 0.4 cmol+/kg (Optimal range: 0.55~0.65 cmol+/kg) - ⚠️ Low
  • Calcium: 4.1 cmol+/kg (Optimal range: 5.0~6.0 cmol+/kg) - ⚠️ Low
  • Magnesium: 1.5 cmol+/kg (Optimal range: 1.5~2.0 cmol+/kg) - ✅ Optimal
  • Electrical Conductivity: 0.1 dS/m (Optimal range: 0.0~2.0 dS/m) - ✅ Optimal

Problems and Solutions

Item Problem Solution How to use
pH ?️ Acidification Green manure crops, organic matter, wood ash Green manure crops: Plant around crops and till under later ? Organic matter: Mix into soil around crops ♻️ Wood ash: Sprinkle a small amount on surrounding soil ?
Organic Matter ✅ Optimal Compost, green manure crops Compost: Mix into soil around crops ♻️ Green manure crops: Plant around crops and till under later ?
Available Phosphate ⚠️ Very Low Bone meal, seaweed, rock phosphate Bone meal: Mix into soil around crops ? Seaweed: Compost and mix into surrounding soil ? Rock phosphate: Mix into surrounding soil ?
Potassium ⚠️ Low Wood ash, banana peels, green manure crops Wood ash: Sprinkle a small amount on surrounding soil ? Banana peels: Mix into soil around crops in dried powder form ? Green manure crops: Plant around crops and till under later ?
Calcium ⚠️ Low Eggshells, wood ash Eggshells: Mix into soil around crops in dried powder form ? Wood ash: Mix into surrounding soil ?
Magnesium ✅ Optimal Green manure crops, organic matter Green manure crops: Plant around crops and till under later ? Organic matter: Mix compost into soil around crops ♻️
Electrical Conductivity ✅ Optimal Irrigation management Irrigation management: Manage by watering appropriately to prevent salt accumulation ?

? Explanation of Usage

  1. Green manure crops: ?
    • Method: Plant green manure crops around the crops, and after they grow, till them into the soil. This supplies organic matter and nutrients to the soil.
  2. Organic matter: ♻️
    • Method: Mix compost, food waste, or plant residues into the soil around the crops to increase soil fertility.
  3. Wood ash: ?
    • Method: Sprinkle a small amount of alkaline wood ash onto the soil around the crops to adjust pH and supplement necessary trace nutrients.
  4. Bone meal: ?
    • Method: Mix bone meal made by grinding animal bones into the soil around the crops to supplement phosphate.
  5. Seaweed: ?
    • Method: Compost seaweed and mix it into the soil around the crops to supply phosphate and various nutrients.
  6. Rock phosphate: ?
    • Method: Mix natural phosphate mineral into the soil around the crops for slow release of phosphate.
  7. Banana peels: ?
    • Method: Dry and grind banana peels into a powder, then mix into the soil around the crops to supplement potassium.
  8. Eggshells: ?
    • Method: Dry and grind eggshells into a powder, then mix into the soil around the crops to supplement calcium.
  9. Irrigation management: ?
    • Method: Manage the electrical conductivity of the soil by providing an appropriate amount of water to prevent salt accumulation.

You can solve soil problems and grow healthy crops using natural methods without fertilizers. Practice sustainable farming by utilizing various natural resources such as green manure crops, organic matter, and wood ash. Healthy soil is the foundation for healthy crops. I hope you manage your soil sustainably for a bountiful harvest. ?

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