Author: Manuelito R. Putong

Hydrogen peroxide (H₂O₂) is a powerful oxygen booster and disinfectant that helps improve plant health, kill harmful pathogens, and promote root growth. Since it contains an extra oxygen molecule (H₂O₂ vs. H₂O), it oxygenates the soil, which is crucial for strong root development.

---

Benefits of Hydrogen Peroxide for Plants

✅ Kills Fungal & Bacterial Infections – Helps prevent root rot, powdery mildew, and other plant diseases.
✅ Aerates the Soil – Improves oxygen levels, especially in compacted or overwatered soil.
✅ Boosts Root Growth – Promotes stronger root systems by increasing oxygen availability.
✅ Kills Pests – Deters aphids, spider mites, and fungus gnats.
✅ Seed Germination – Speeds up germination by softening seed coats and killing bacteria.
✅ Cleans Hydroponic Systems – Keeps hydroponic water clean and free from algae buildup.

---

How to Use Hydrogen Peroxide on Plants

Use 3% Hydrogen Peroxide (H₂O₂) Solution – Always dilute before applying!

1️⃣ Soil Drench (For Root Rot & Oxygen Boost)

Mix 1 tablespoon (15mL) of 3% H₂O₂ per 1 liter of water.
Water plants with this solution once a week to improve root health.

2️⃣ Foliar Spray (For Fungus & Pest Control)

Mix 1 teaspoon (5mL) of 3% H₂O₂ per 1 liter of water.
Spray on leaves to treat fungal infections and kill pests like aphids.
Apply in the morning or evening (avoid direct sun to prevent leaf burn).

3️⃣ Seed Germination Treatment

Soak seeds in 1 part 3% H₂O₂ + 2 parts water for 30 minutes before planting.
Rinse seeds with clean water and plant as usual.

4️⃣ Hydroponics & Watering System Cleaning

Use 1 teaspoon (5mL) of 3% H₂O₂ per liter of water to disinfect hydroponic systems.

---

Best Plants to Use Hydrogen Peroxide On

✅ Vegetables (Tomatoes, Peppers, Lettuce)
✅ Houseplants (Orchids, Pothos, Snake Plants)
✅ Hydroponic & Aquaponic Plants

---

Pro Tips:
✔️ Always test on a small area before applying to the whole plant.
✔️ Do not overuse – Too much H₂O₂ can damage beneficial microbes in the soil.
✔️ Store in a dark bottle as hydrogen peroxide breaks down in light.

Coffee grounds are an excellent organic fertilizer that enriches the soil with essential nutrients, improves drainage, and boosts plant health. They contain nitrogen (N), potassium (K), phosphorus (P), calcium (Ca), magnesium (Mg), and antioxidants, making them a great slow-release fertilizer for many plants.

---

Benefits of Using Coffee Grounds as Fertilizer

✔ Rich in Nitrogen (2% by weight) – Promotes leafy growth in plants.
✔ Improves Soil Structure – Enhances aeration, drainage, and moisture retention.
✔ Boosts Microbial Activity – Encourages beneficial earthworms & soil bacteria.
✔ Natural Pest Repellent – Deters slugs, snails, and ants due to its caffeine content.
✔ pH Balance – Slightly acidic, suitable for acid-loving plants.

---

How to Use Coffee Grounds as Fertilizer

1️⃣ Direct Soil Application (Mulching & Composting)

Instructions:

• Spread a thin layer (½ inch) of used coffee grounds around the base of plants.
• Mix into the topsoil to prevent mold growth.
• Combine with dry organic matter (leaves, straw, sawdust) for balance.

2️⃣ Coffee Ground Tea (Liquid Fertilizer)

Instructions:

• Add 2 cups of used coffee grounds to a 5-liter container of water.
• Let it steep for 24 hours to extract nutrients.
• Strain and use as a liquid fertilizer spray or pour at the base of plants.

3️⃣ Compost Booster

Instructions:

• Mix coffee grounds into your compost bin (20% of total material).
• Helps speed up decomposition and adds nitrogen for a balanced compost mix.

---

Best Plants for Coffee Grounds Fertilizer

✅ Acid-Loving Plants: Blueberries, Azaleas, Rhododendrons, Camellias
✅ Leafy Greens: Spinach, Kale, Lettuce, Cabbage
✅ Flowering Plants: Roses, Hydrangeas, Daffodils, Orchids
✅ Fruiting Plants: Tomatoes, Strawberries, Carrots, Radishes

---

Important Tips & Precautions

Use Moderately – Too much coffee can compact the soil and hinder water absorption.
Avoid Fresh Grounds on Soil – Fresh (unbrewed) coffee grounds are too acidic and can stunt plant growth.
Mix with Other Organic Matter – Combine with compost or dry materials for better soil balance.

Potato skins are an excellent organic fertilizer as they contain essential nutrients like potassium (K), phosphorus (P), calcium (Ca), and magnesium (Mg). These nutrients enhance plant growth, root strength, and flowering while promoting microbial activity in the soil.

---

Benefits of Using Potato Skin Fertilizer

✔ High in Potassium – Strengthens plant resistance, enhances flowering, and boosts fruit production.
✔ Rich in Phosphorus – Supports root development and seed formation.
✔ Contains Magnesium & Calcium – Helps in chlorophyll production and prevents plant deficiencies.
✔ Eco-Friendly & Zero Waste – A sustainable alternative to synthetic fertilizers.

---

How to Make & Use Potato Skin Fertilizer

1️⃣ Potato Peel Tea (Liquid Fertilizer)

Instructions:

• Collect fresh potato peels and chop them into small pieces.
• Soak in 1 liter of water for 24–48 hours.
• Strain the liquid and dilute with water (1:2 ratio) before applying.
• Use as a weekly foliar spray or pour at the base of plants.

2️⃣ Dried Potato Skin Powder (Slow-Release Fertilizer)

Instructions:

• Dry potato peels in direct sunlight or an oven (low heat, 60°C/140°F).
• Once fully dry and crispy, grind into a fine powder.
• Sprinkle around plants or mix into compost for a nutrient boost.

3️⃣ Direct Soil Application (Mulch & Compost Enhancer)

Instructions:

• Bury chopped potato skins 2–3 inches deep around plants.
• Add to compost piles to accelerate decomposition and improve microbial activity.

---

Best Plants for Potato Skin Fertilizer

✅ Fruit & Vegetable Crops: Tomatoes, Peppers, Eggplants, Squash
✅ Leafy Greens & Herbs: Spinach, Kale, Basil, Mint
✅ Flowering Plants: Roses, Orchids, Marigolds

---

Pro Tip:

Combine potato peel fertilizer with banana peels (for extra potassium) or coffee grounds (for nitrogen) for a balanced organic nutrient mix!

Banana peels are an excellent organic fertilizer due to their high content of potassium (K), phosphorus (P), calcium (Ca), and magnesium (Mg)—essential nutrients that promote healthy plant growth, strong root development, and flowering.

---

Benefits of Using Banana Peel Fertilizer

✔ Rich in Potassium – Enhances plant immunity, root development, and fruit production.
✔ High in Phosphorus – Supports flower and seed formation.
✔ Boosts Soil Microbiology – Encourages beneficial microbes that improve soil health.
✔ Chemical-Free & Eco-Friendly – A sustainable alternative to synthetic fertilizers.

---

How to Make & Use Banana Peel Fertilizer

1️⃣ Banana Peel Tea (Liquid Fertilizer)

Instructions:

• Chop 2–3 banana peels into small pieces.
• Soak in 1 liter of water for 24–48 hours.
• Strain and dilute with water (1:2 ratio) before applying to plants.
• Use as a weekly foliar spray or pour at the base of plants.

2️⃣ Dried Banana Peel Powder (Slow-Release Fertilizer)

Instructions:

• Dry banana peels in direct sunlight or an oven (low heat, 60°C/140°F).
• Once crispy, grind into a fine powder.
• Sprinkle around plants or mix into compost for a nutrient boost.

3️⃣ Direct Soil Application (Mulch & Compost Enhancer)

Instructions:

• Chop banana peels into small pieces and bury them 2–3 inches deep in soil.
• Add to compost piles to accelerate decomposition.

---

Best Plants for Banana Peel Fertilizer

✅ Flowering Plants: Roses, Orchids, Hibiscus
✅ Fruit-Bearing Trees: Citrus, Tomatoes, Peppers, Bananas
✅ Leafy Greens & Herbs: Lettuce, Spinach, Basil

---

Pro Tip:

Combine banana peel fertilizer with eggshells (for calcium) or coffee grounds (for nitrogen) for a balanced organic fertilizer mix!