Compost & Fertilizer Calculator
Calculate your compost needs and create custom organic fertilizer blends
Garden Details
Enter the total area you want to compost
Compost Needed
75 kg
For 10m² with medium quality soil
Recipe Breakdown
Brown materials (carbon)45 kg
Green materials (nitrogen)30 kg
Application Guide
Spring Application
Apply 2-4 weeks before planting. Work 5-10cm layer into top 20-30cm of soil.
Summer Top-Dressing
Add 2-3cm layer around growing plants monthly. Keep away from plant stems.
Fall Amendment
Apply thick layer (10-15cm) after harvest. Let it decompose over winter.
Custom Fertilizer Recommendations
Balanced Compost
Ingredients:
- • 60% brown materials (leaves, straw)
- • 40% green materials (grass, food scraps)
Application:
Add 5-10 cm layer and work into soil
Amount needed:
75 kg
Compost Tea
Ingredients:
- • 1 part finished compost
- • 5 parts water
- • Steep for 24-48 hours
Application:
Water plants every 2 weeks
Amount needed:
As needed for foliar feeding
🟤 Brown Materials (Carbon)
- ✓ Dry leaves
- ✓ Straw or hay
- ✓ Shredded paper/cardboard
- ✓ Wood chips/sawdust
- ✓ Corn stalks
- ✓ Pine needles
🟢 Green Materials (Nitrogen)
- ✓ Fresh grass clippings
- ✓ Kitchen scraps (no meat/dairy)
- ✓ Coffee grounds
- ✓ Fresh plant trimmings
- ✓ Manure (well-aged)
- ✓ Seaweed/kelp
💡 Composting Tips
- • Maintain 3:1 ratio of brown to green materials
- • Keep pile moist like a wrung-out sponge
- • Turn pile every 2-3 weeks for faster decomposition
- • Compost is ready when dark, crumbly, and earthy-smelling
- • Avoid meat, dairy, and diseased plants
- • Chop materials into smaller pieces for faster breakdown