Citrus & Avocado Fertilizer 14-6-4
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Citrus & Avocado Fertilizer 14-6-4
Professional-grade, 100% water-soluble fertilizer specifically formulated for citrus and avocado trees grown in Western alkaline soils. This complete formula delivers all essential macro and micronutrients with zero inert fillersโevery pound feeds your trees. Featuring acidifying nitrogen sources and EDTA-chelated micronutrients for maximum availability in high pH conditions, plus 3% magnesium and 9% sulfur for complete nutrition.
What to Expect
Nitrate nitrogen immediately available
Improved leaf color & vigor
Better fruit development & yield
FEATURES
- 100% Water Soluble: No clogging, no sediment, no wasteโperfect for fertigation systems
- Zero Inert Filler: Every pound delivers nutrition, not useless bulk
- Acidifying Formula: Improves micronutrient availability in high pH soils (7.0โ8.5+)
- Chloride-Free: Safe for salt-sensitive avocado and citrus
- Complete Micronutrient Package: All EDTA-chelated for high pH availability
- Added Magnesium (3%): Addresses common secondary deficiency in citrus
- High Sulfur Content (9%): Supports long-term soil acidification
- Triple Nitrogen Blend: Ammoniacal, urea, and nitrate forms for immediate and sustained feeding
DERIVED FROM
Premium Agricultural-Grade Sources
Urea (46-0-0), Ammonium Sulfate (21-0-0-24S), Monoammonium Phosphate (MAP 12-61-0), Potassium Nitrate (13-0-44), Potassium Sulfate (0-0-50-18S), Magnesium Sulfate (Epsom Salt), Iron EDTA (13% Fe), Zinc EDTA (14% Zn), Manganese EDTA (13% Mn), Copper EDTA (13% Cu), Boric Acid (17% B), and Sodium Molybdate (39% Mo). This precise blend ensures complete, balanced nutrition optimized for alkaline growing conditions.
PERFECT FOR THESE APPLICATIONS
COMMON PROBLEMS? WE HAVE SOLUTIONS
WHY GROWERS CHOOSE THIS FORMULA
๐ฏ Alkaline Soil Specialist
Specifically designed for pH 7.0โ8.5+ conditions common in California, Arizona, and Texas citrus regions.
โ๏ธ Dual pH Strategy
Acidifying nitrogen plus EDTA-chelated micronutrientsโmaximum availability where other fertilizers fail.
๐ง Fertigation Ready
Dissolves completely with no sediment. Perfect for drip irrigation, micro-sprinklers, and injection systems.
๐ฌ Complete Micronutrient Package
Fe, Zn, Mn, Cu, B, and Moโall in forms that remain plant-available in high pH soils.
โก Triple Nitrogen Blend
39% ammoniacal (acidifying), 54% urea (sustained), 7% nitrate (immediate)โbalanced for optimal uptake.
๐ก๏ธ Chloride-Free Safety
Essential for salt-sensitive avocados and citrus, especially in areas with saline irrigation water.
โ ๏ธ Important Application Guidelines
- Do NOT mix with calcium nitrate or calcium chlorideโwill cause precipitation
- For calcium supplementation, apply Calcium Nitrate separately (at least 24 hours apart)
- In soils above pH 8.0, consider supplemental foliar iron and zinc during peak growth
- If irrigation water is highly alkaline (pH > 7.5), acidify to pH 6.0โ6.5 before injecting fertilizer
- Reduce rates by 25% for trees under drought stress or in saline conditions
- Store sealed in cool, dry locationโmagnesium sulfate is hygroscopic
NPK FORMULA EXPLAINED
N-P-K: 14-6-4 โ Balanced Growth Formula
Higher nitrogen promotes vigorous vegetative growth and green foliage, while moderate phosphorus supports root development and flowering. Lower potassium is appropriate as most Western soils have adequate K levels.
N - 14%
Nitrogen
Triple blend: 39% ammoniacal (acidifies root zone), 54% urea (sustained release), 7% nitrate (immediate uptake). Promotes lush foliage and vigorous growth.
P - 6%
Phosphorus
From MAP for efficient uptake. Supports strong root development, flowering, and fruit setโcritical for productive trees.
K - 4%
Potassium
From potassium nitrate and sulfate. Enhances fruit quality, sugar content, and stress tolerance without excess in K-rich Western soils.
๐ Complete Guaranteed Analysis
| Nutrient | Symbol | % |
|---|---|---|
| Total Nitrogen | N | 14.0 |
| ย ย ย Ammoniacal Nitrogen | 5.5 | |
| ย ย ย Urea Nitrogen | 7.6 | |
| ย ย ย Nitrate Nitrogen | 0.9 | |
| Available Phosphate | PโOโ | 6.0 |
| Soluble Potash | KโO | 4.0 |
| Magnesium | Mg | 3.0 |
| Sulfur | S | 9.0 |
| Iron (Chelated EDTA) | Fe | 1.0 |
| Zinc (Chelated EDTA) | Zn | 0.5 |
| Manganese (Chelated EDTA) | Mn | 0.25 |
| Copper (Chelated EDTA) | Cu | 0.15 |
| Boron | B | 0.05 |
| Molybdenum | Mo | 0.01 |
APPLICATION RATES & DIRECTIONS
๐ Citrus Application Rates
Split annual rates into multiple applications throughout the growing season (February through October).
| Tree Age | Lbs/Tree/Year | Lbs/Application | Applications/Year |
|---|---|---|---|
| Year 1 | 1.5 โ 2.5 | 0.25 โ 0.4 | 6 |
| Year 2 | 2.5 โ 4 | 0.5 โ 0.8 | 5 |
| Year 3 | 4 โ 6 | 0.8 โ 1.2 | 5 |
| Year 4+ | 7 โ 11 | 1.75 โ 2.75 | 4 |
๐ฅ Avocado Application Rates
Avocados benefit from more frequent, lighter applications. Reduce rates during fruit set to avoid salt stress.
| Tree Age | Lbs/Tree/Year | Lbs/Application | Applications/Year |
|---|---|---|---|
| Year 1 | 1.5 โ 3 | 0.25 โ 0.5 | 6 |
| Year 2 | 3 โ 5 | 0.5 โ 0.8 | 6 |
| Year 3 | 5 โ 7 | 1.0 โ 1.4 | 5 |
| Year 4+ | 8 โ 14 | 1.5 โ 2.5 | 5 โ 6 |
๐ Seasonal Timing Guide
| Season | Citrus | Avocado |
|---|---|---|
| Early Spring (FebโMar) | 25% of annual rate โ pre-bloom | 20% of annual rate โ pre-bloom |
| Late Spring (AprโMay) | 25% of annual rate โ fruit set | 20% of annual rate โ light apps during set |
| Summer (JunโAug) | 35% of annual rate โ fruit development | 40% of annual rate โ fruit development |
| Fall (SepโOct) | 15% of annual rate โ pre-dormancy | 20% of annual rate โ post-harvest |
| Winter (NovโJan) | No application | No application |
๐ง Fertigation Stock Solution
| Tank Size | Product Amount |
|---|---|
| 50 gallons | 50 โ 75 lbs |
| 100 gallons | 100 โ 150 lbs |
| 200 gallons | 200 โ 300 lbs |
Mixing Procedure
- Fill tank to 75% capacity with clean water
- Begin agitation
- Slowly add fertilizer while agitating
- Top off with water to final volume
- Continue agitation for 10โ15 minutes until fully dissolved
- Inject at 1:100 to 1:200 ratio depending on system
โ ๏ธ Important Notes
- Always conduct a jar test when mixing with other products for the first time
- Soil and tissue testing are recommended to fine-tune application rates
- Reduce rates by 25% for trees under drought stress
- In saline conditions, increase irrigation frequency to flush salts
- For severe deficiency symptoms, add corrective foliar spray in addition to fertigation
CITRUS & AVOCADO CALCULATOR
COMPARE WITH ALTERNATIVES
| Feature | Greenway Biotech 14-6-4 | Miracle-Gro Citrus 8-2-10 | Jobe's Citrus Spikes 9-12-12 | Down to Earth 6-3-3 |
|---|---|---|---|---|
| Water Soluble | โ 100% | โ Granular | โ Spikes | โ Granular |
| Fertigation Ready | โ Yes | โ No | โ No | โ No |
| Nitrogen Content | 14% | 8% | 9% | 6% |
| Chelated Micronutrients | โ Fe, Zn, Mn, Cu (all EDTA) | โ ๏ธ Iron only | โ None listed | โ ๏ธ Limited |
| Magnesium | โ 3% | โ ๏ธ Trace | โ None | โ None listed |
| Sulfur | โ 9% | โ ๏ธ Trace | โ None listed | โ 2% |
| Chloride-Free | โ Yes | โ Contains KCl | โ ๏ธ Not specified | โ Yes |
| Zero Filler | โ 100% active | โ Contains filler | โ Contains filler | โ Organic matter |
| Acidifying Effect | โ Yes (ammoniacal N + sulfur) | โ ๏ธ Minimal | โ No | โ No |
| High pH Optimized | โ Specifically formulated | โ General purpose | โ General purpose | โ General purpose |
| Professional Grade | โ Commercial quality | โ Consumer grade | โ Consumer grade | โ ๏ธ Home garden |
COMPLETE YOUR SYSTEM
Maximize your citrus and avocado nutrition program with these complementary products
Calcium Nitrate 15.5-0-0
This formula contains no calciumโapply Calcium Nitrate separately (24+ hours apart) to prevent calcium deficiency and blossom end rot.
High pH SoilsChelated Iron DTPA 11%
For extremely alkaline soils (pH 8.0+), DTPA chelation provides superior iron availability. Use as supplemental foliar spray during peak growth.
Optional BoostChelated Zinc EDTA 14%
For trees showing zinc deficiency symptoms ("little leaf"), apply additional chelated zinc as a targeted foliar spray.
Soil AmendmentElemental Sulfur
For long-term soil pH reduction in highly alkaline soils. Apply to soil surface for gradual acidification over time.
GROW WITH CONFIDENCE
Product Quality Guaranteed
- 100% water-solubleโdissolves completely with zero residue
- Every batch tested for nutrient content and purity
- CDFA registered for California agricultural use
- Professional-grade formulation used by commercial growers
- 2-year shelf life when stored properly
Hassle-Free 90-Day Guarantee
Not satisfied? Return within 90 days for a full refundโno questions asked. We stand behind our products because we know they work.
Expert Support
Our team includes experienced growers who understand citrus and avocado nutrition. Have questions about application rates, deficiency symptoms, or soil conditions? We're here to help you get the best results.
NUTRIENT DEFICIENCY REFERENCE
This formula addresses the most common nutrient deficiencies in citrus and avocado, particularly those exacerbated by high soil pH:
| Nutrient | Citrus Deficiency Symptoms | Avocado Deficiency Symptoms |
|---|---|---|
| Nitrogen | Yellow leaves, stunted growth, poor fruit size | Pale green leaves, reduced vigor, small fruit |
| Phosphorus | Dull bronze leaves, poor root development | Dark leaves, weak growth, poor flowering |
| Potassium | Leaf curl, small fruit, poor quality | Tip burn, small fruit, reduced yield |
| Magnesium | Interveinal chlorosis on older leaves, V-shaped yellowing | Yellow blotches between veins on mature leaves |
| Iron* | Interveinal chlorosis on new leaves | Yellow new leaves with green veins |
| Zinc* | Small, mottled leaves; "little leaf" | Small leaves, mottled pattern, round canopy |
| Manganese* | Interveinal chlorosis, similar to iron | Interveinal chlorosis on young leaves |
| Copper | Dieback, gumming, S-shaped twigs | Dieback of new growth, wilting |
| Boron | Misshapen fruit, gum pockets | Poor fruit set, misshapen fruit |
| Molybdenum | Yellow spot, interveinal chlorosis | Marginal leaf scorch (rare) |
*Most common deficiencies in high pH soils. The acidifying nitrogen and chelated micronutrients in this formula specifically address these issues.
FREQUENTLY ASKED QUESTIONS
Qย Can I mix this with Calcium Nitrate?
Noโmixing will cause calcium phosphate and calcium sulfate precipitation. Apply Calcium Nitrate separately, at least 24 hours apart from this fertilizer. This is standard practice in professional fertigation programs.
Qย Why is this formula better for alkaline soils?
Two reasons: First, the ammoniacal nitrogen (39% of total N) creates a localized acidifying effect in the root zone, temporarily lowering pH to improve micronutrient uptake. Second, all micronutrients are EDTA-chelated, which keeps them plant-available even at pH levels above 8.0 where non-chelated forms would precipitate and become unavailable.
Qย How often should I fertilize my citrus trees?
For mature trees (Year 4+), split the annual rate into 4 applications: 25% in early spring (Feb-Mar), 25% in late spring (Apr-May), 35% in summer (Jun-Aug), and 15% in fall (Sep-Oct). Young trees benefit from more frequent, lighter applicationsโsee the application rates table.
Qย Is this safe for container-grown citrus?
Yes! Use 1-2 tablespoons per gallon of soil monthly during the growing season. Because containers have limited soil volume, use lighter rates more frequently rather than heavier rates less often. Always water thoroughly after application.
Qย Why doesn't this formula contain calcium?
Calcium cannot be included with phosphorus and sulfur in a water-soluble fertilizerโthey would react and precipitate, clogging your system and reducing nutrient availability. Professional fertigation programs always apply calcium separately. We recommend our Calcium Nitrate for your calcium needs.
Qย What if my trees show severe iron chlorosis?
For severe cases in extremely alkaline soils (pH 8.0+), supplement with foliar applications of Chelated Iron DTPA during peak growth periods. DTPA chelation provides superior stability at very high pH levels.
Qย How should I store this product?
Store in a cool, dry location away from direct sunlight with the container tightly sealed. The magnesium sulfate component is hygroscopic (absorbs moisture), so proper sealing is important. If caking occurs, simply break it upโnutrient content is unaffected. Shelf life is 2 years when stored properly.
Qย Can I use this for other fruit trees?
Yes! While optimized for citrus and avocado, this formula works well for other fruit trees in alkaline soil conditions. The chloride-free formula and chelated micronutrients benefit any crop sensitive to high pH or salt stress.
DISCOVER MORE GARDEN WISDOM
Check back soon for citrus and avocado growing guides!
HAVE QUESTIONS?
Our team is here to help with application advice, deficiency diagnosis, and product recommendations for your citrus and avocado trees.