Monopotassium Phosphate 0-52-34
- Regular Price
- $ 29.99
- Sale Price
- $ 29.99
- Regular Price
- $ 33.99
- Unit Price
- per
Monopotassium Phosphate (MKP) 0-52-34
Elevate your flowering and fruiting success with our premium Monopotassium Phosphate (MKP) 0-52-34 fertilizer. This nitrogen-free, water-soluble powerhouse delivers an exceptional combination of 52% phosphorus and 34% potassium – the perfect recipe for abundant blooms, superior fruit quality, and enhanced crop resilience. Ideal for both soil and hydroponic systems.
Guaranteed Analysis
WHY GROWERS CHOOSE MKP 0-52-34
🌸 Zero-Nitrogen Formula
Pure P-K nutrition prevents unwanted vegetative growth during critical flowering and fruiting stages when you need blooms, not leaves.
💎 Premium P-K Ratio
52% phosphorus + 34% potassium delivers maximum bloom production, stronger roots, and enhanced fruit quality and sweetness.
💧 100% Water-Soluble
Dissolves completely and instantly for foliar spray, drip irrigation, or hydroponic systems without clogging emitters.
🧂 Low Salt Index
Safe for sensitive crops and can be placed closer to seeds than other phosphorus sources. Ideal for precision nutrition.
NPK FORMULA EXPLAINED
Where Each Nutrient Works
- No unwanted vegetative growth
- Perfect for late bloom stages
- Won't delay flowering or ripening
- Root Development: Stronger, deeper roots
- Flower Production: More abundant blooms
- Energy Transfer: Powers plant metabolism
- Fruit Quality: Enhanced sweetness, color, and flavor
- Stress Resistance: Better drought and disease tolerance
- Nutrient Transport: Moves sugars throughout plant
- Water Regulation: Efficient stomatal function
MKP's unique 0-52-34 formula makes it the ideal choice when you need to boost phosphorus and potassium without adding nitrogen. This is especially valuable during flowering and fruiting stages when excess nitrogen can delay maturity and reduce quality.
DERIVED FROM
Technical Grade Monopotassium Phosphate (KH₂PO₄)
Premium crystalline form provides superior solubility and purity compared to agricultural grades. The technical grade ensures:
- 100% water solubility with no residue
- Consistent particle size for even dissolution
- Low heavy metal content
- pH neutral in dilute solutions
- Compatible with most fertigation systems
APPLICATION RATES & DIRECTIONS
MKP 0-52-34 can be applied via foliar spray, fertigation, hydroponics, or direct soil application. Follow temperature guidelines carefully for foliar applications.
🍃 Foliar Application Rates
| Crop Type | Rate per Acre | Rate per 1000 sq ft | Application Timing |
|---|---|---|---|
| Deciduous Fruits (Apples, Pears, Stone Fruits) | 5-10 lbs | 2-4 oz (50-100g) | Pre-bloom & post-bloom |
| Tomatoes, Peppers | 5-10 lbs | 2-4 oz (50-100g) | Prior to full bloom, repeat 2-3x at 2-3 week intervals |
| Grapes | 3-10 lbs | 2-4 oz (50-100g) | Pre-bloom, post-bloom, 30 days before harvest |
| Strawberries | 3-10 lbs | 2-4 oz (50-100g) | After first blooms appear |
| Melons, Cucumbers, Cucurbits | 5-10 lbs | 2-4 oz (50-100g) | Just prior to bloom, repeat 2+ times |
| Potatoes | 5-10 lbs | 2-4 oz (50-100g) | At initial tuber formation |
| Root Vegetables (Carrots, Beets) | 5-10 lbs | 2-4 oz (50-100g) | Mid-season applications |
| Leafy Vegetables, Cole Crops | 1-2 lbs | 0.5-1 oz (10-20g) | 10-14 day intervals |
| Small Grains (Wheat, Barley) | 2-6 lbs | 1-2 oz (25-50g) | At tillering, before boot stage |
| Almonds, Walnuts, Pistachios | 5-10 lbs | 2-4 oz (50-100g) | 3-4 applications: petal fall through hull split |
- Keep minimum 7 days between applications
- Do NOT apply to crops under stress (drought, disease, pest pressure)
- With rising temperatures (AM): Stop spraying at 84°F
- With falling temperatures (PM): Start spraying at 90°F
- For pears: Max 8 lbs/acre when temps exceed 90°F
- Use sufficient water volume – aim for 350 GPA for dilute sprays to prevent runoff
- Avoid over-spraying young or dwarf trees
💧 Fertigation & Hydroponic Rates
| Application Method | Concentration | Frequency |
|---|---|---|
| Drip Irrigation / Fertigation | 1-2 lbs per 100 gallons | Weekly during bloom/fruiting |
| Hydroponics (Bloom Phase) | 100-200 ppm | Continuous in solution |
| Foliar Spray (Dilute) | 3-5 lbs per 100 gallons | Every 7-14 days |
| Soil Drench | 1 tbsp per gallon | Every 2 weeks |
| Field Fertigation | 25-500 lbs per acre | Per standard practices |
🌿 Turf & Ornamental Rates
| Application | Rate | Timing |
|---|---|---|
| Cool Season Grasses (Bentgrass, Fescue, Bluegrass) | 2-4 oz per 1,000 sq ft | Spring & fall, up to weekly |
| Warm Season Grasses (Bermuda) | 2-4 oz per 1,000 sq ft | Late spring to early fall |
| Trees, Shrubs, Roses, Bedding Plants | 1 lb per 10 gallons water | At bloom, spring push, or after transplanting |
- Fill tank with approximately ½ water before adding MKP
- Agitate thoroughly while adding remaining water
- If combining with pesticides, add pesticides last
- Allow extra time for dissolution in cold water
- Do not exceed 1 lb per gallon unless using specific high-concentration protocols
MKP FERTILIZER CALCULATOR
COMPATIBILITY & MIXING
MKP is compatible with most agricultural products, but its acidic nature requires attention when tank mixing.
✅ Compatible With
- Most water-soluble fertilizers (except calcium)
- Micronutrient chelates (iron, zinc, manganese)
- Most fungicides and insecticides
- Growth regulators and biostimulants
- Magnesium Sulfate (Epsom Salt)
- Urea and ammonium-based fertilizers
❌ NOT Compatible With
- Calcium fertilizers (forms precipitate)
- Copper-based fungicides (acidic reaction)
- High pH products (above 8.0)
- Concentrated sulfuric acid
- Materials that may cause fruit russeting
GROW WITH CONFIDENCE
Below are important details on quality, returns, sustainability, and charitable efforts that set our product apart.
Product Quality Guaranteed
- All our products are manufactured in California, USA
- Tested by independent third-party laboratories for quality assurance
- Registered with the California Department of Food and Agriculture (CDFA)
- Rigorously tested to ensure products are free from heavy metals
Hassle-Free Return Policy
If you're not completely satisfied, we offer a 90-day money-back guarantee. Simply return the unused portion in its original packaging, and we'll process a full refund.
Environmental Responsibility
We're committed to sustainable practices, including:
- Biodegradable packaging materials
- Precise nutrient formulation to reduce runoff
- Support for eco-friendly farming methods
- Ongoing research into organic solutions
Charitable Contributions
1% of all profits go to the Greenway Foundation, focused on improving educational opportunities for children. Learn more at greenway.foundation.
DOCUMENTS & RESOURCES
FREQUENTLY ASKED QUESTIONS
Click on each question to see the answer.
Why choose MKP 0-52-34 over other phosphorus fertilizers?
MKP offers unique advantages for specific growing situations. The zero-nitrogen formula prevents unwanted vegetative growth during flowering, while the high potassium (34%) enhances fruit quality. Its 100% water solubility makes it perfect for precision feeding, and the low salt index makes it safer for sensitive crops. Unlike MAP (11-52-0) or DAP (18-46-0), MKP is pH neutral in solution and won't acidify your growing medium.
How do I avoid leaf burn when using MKP as foliar spray?
Follow temperature guidelines strictly: stop spraying when temps reach 84°F (rising) or wait until 90°F (falling). Maintain 7+ days between applications and never apply to stressed plants. Use sufficient water volume (350 GPA for dilute sprays) to prevent excessive concentration on leaves. For young or dwarf trees, reduce rates to avoid over-application. Consider adding a surfactant for better, more even coverage.
When should I use MKP in my growing program?
MKP timing is critical for maximum benefit. For flowering plants, apply 1-2 weeks before bloom, during flowering, and post-bloom to support fruit/seed development. For fruiting crops like tomatoes, start at first flower cluster and repeat every 2-3 weeks through harvest. For grapes, apply pre-bloom, post-bloom, and 30 days before harvest to increase sugar content. MKP is especially valuable during late flowering/ripening when you want to enhance quality without promoting new vegetative growth.
Can I mix MKP with other fertilizers or pesticides?
MKP is compatible with most water-soluble fertilizers, micronutrient chelates, and pesticides. However, do NOT mix with calcium fertilizers (forms precipitate), copper-based fungicides, or high-pH products. Always perform a jar test before tank mixing: combine small amounts and watch for precipitation, gel formation, or heat. MKP's acidic nature will lower spray solution pH, which may actually enhance effectiveness of some pesticides.
Can MKP help with powdery mildew?
Yes! MKP is an efficient suppressor of powdery mildew in susceptible crops including grapes, cucumbers, melons, roses, and mangoes. A 1% MKP solution mixed with systemic fungicides improves efficiency and allows lower fungicide rates. The phosphorus and potassium boost plant immunity while the solution's properties help control the fungal infection.
What's the difference between MKP and MAP?
MKP (0-52-34) contains no nitrogen and provides potassium, making it ideal for late bloom and quality enhancement. MAP (11-52-0) contains 11% nitrogen and no potassium, making it better for early growth and root development when nitrogen is needed. Choose MKP when you need P-K without N (flowering/fruiting stages), and MAP when you need P with some N (early growth, root establishment).
PAIRS WELL WITH
Since MKP provides zero nitrogen, pair it with these products for complete nutrition:
Calcium Nitrate 15.5-0-0
Nitrogen + calcium for complete nutrition (apply separately from MKP)
NitrogenAmmonium Sulfate 21-0-0
21% nitrogen + sulfur for vegetative growth
BoostEpsom Salt (Magnesium Sulfate)
Magnesium for chlorophyll production. Enhances green color and photosynthesis.
⚠️ Important: Do not tank mix MKP with calcium-containing fertilizers. Apply calcium products separately to prevent precipitation.
HAVE QUESTIONS?
Check out our full FAQ or contact our support team for personalized advice.
Call us: (562) 351-5168
Email: questions@greenwaybiotech.com
