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Technical specifications
Chemical and physical properties
| Serial Number | Indicator name | Specification Requirements |
|---|---|---|
| 1 | Appearance | Colorless Transparent Liquid |
| 2 | Phosphorus (P₂O₅) | ≥ 400 g/L |
| 3 | Potassium (K₂O) | ≥ 500 g/L |
| 4 | P₂O₅+K₂O | ≥ 900 g/L |
| 5 | Sugar alcohol | ≥ 30 g/L |
| 6 | Density | 1.65 g/cm³ |
| 7 | pH | 8.0 — 10.0 |
Product description
Product description
Special seaweed-based aerial application liquid with phosphorus and potassium (Liquid PK 900 UAV Fertilizer) is a quality replacement for monopotassium phosphate. Monopotassium phosphate dissolves slowly and may cause poor dissolution and nozzle clogging, delaying aerial application. This product uses liquid phosphorus-potassium chelation technology, successfully solving this problem, with high phosphorus and potassium content, can replace monopotassium phosphate, dissolves instantly in water, no waiting required, saving time and labor.
Key Advantages
- Mono potassium phosphate substituteHigh phosphorus and potassium content: P₂O₅ ≥400 g/L, K₂O ≥500 g/L, can fully replace monopotassium phosphate.
- Instantly soluble in waterLiquid formulation, no need to wait for dissolution, does not clog nozzles, ensuring uninterrupted aerial application.
- Time and labor savingsReduces dissolution time, improves work efficiency, lowers labor costs.
- Chelation technology with sugar alcoholsSugar alcohol content ≥ 30 g/L, enhances phosphorus and potassium uptake by crops.
- Highly Concentrated LiquidDensity 1.65 g/cm³, consistent content, convenient for transportation and storage.
- Special design for aerial applicationOptimized for UAV application, suitable for various agricultural drones.
Key Specifications
| Indicators | Parameter value | Description |
|---|---|---|
| Appearance | Colorless Transparent Liquid | Clear, Free from Sediment and Impurities |
| Phosphorus (P₂O₅) | ≥ 400 g/L | Stimulates root system development and flower bud differentiation |
| Potassium (K₂O) | ≥ 500 g/L | Improvement of fruit quality and stress resistance |
| P₂O₅+K₂O | ≥ 900 g/L | High-concentration phosphorus and potassium formula |
| Sugar alcohol | ≥ 30 g/L | Enhanced Absorption Efficiency |
| Density | 1.65 g/cm³ | Highly concentrated liquid fertilizer |
| pH | 8.0 — 10.0 | Slightly alkaline, easily absorbed by plants |
Area of application
Widely applicable to fruit trees or solanaceous cash crops, especially effective for spraying nitrogen-fixing crops such as legumes; as a specialized fertilizer for aerial field application, widely applicable to field crops such as wheat, corn, and rice.
Application recommendations
Aerial spraying (recommended)
Specifically designed for UAV spraying. Instantly dissolves in water, does not clog nozzles, ensuring smooth aerial application.
- Dilution for field crops: 400-800 times
- Dilution for fruit trees and industrial crops: 600-1500 times.
- Application interval: 7–10 days
- Note: When mixing with other preparations, it is recommended to conduct a small-area test first.
Foliar Feeding
Quickly replenishes phosphorus and potassium nutrition, promotes plant growth and development, improves fruit quality.
- Dilution for field crops: 400-800 times
- Dilution for fruit trees and vegetables: 600–1500 times
- Application rate: 30 — 60 L/mu
- Time: morning or evening, avoiding high temperature
Drip irrigation and fertigation
Suitable for protected cultivation and drip irrigation systems, enabling precise fertilizer application
- Dilution ratio: 1:200–1:500
- Dosage: 5–10 L/mu/application
- Frequency: once every 7–10 days
- Note: It is recommended to filter the solution before drip irrigation.
Compatibility with Other Fertilizers
Compatible with various fertilizers and pesticides, enhances the efficiency of combined application.
- Can be used together with nitrogen fertilizers
- Compatible with micronutrient fertilizers
- Suitable for preparing tank mixtures in aerial application
- It is recommended to perform a compatibility test before mixing
Suitable crops and recommended dosages
| Crop Type | Typical crops | Recommended dilution ratio | Application period |
|---|---|---|---|
| Field Crops | Wheat, corn, rice | 400–800 times | Stem elongation stage, heading stage, grain filling stage |
| Fruit Trees | Apples, pears, peaches, grapes, citrus | 600–1500 times | Multiple applications from early fruit set to ripening |
| Solanaceous Vegetables | Tomatoes, cucumbers, peppers, eggplants | 600–1200-fold dilution | Flowering, fruit set and fruit filling period |
| Leguminous Crops | Soybeans, Peanuts, Peas | 400–800 times | Flowering and pod formation period (for better nitrogen fixation) |
| Industrial crops | Cotton, tobacco, tea plants | 500–1000-fold dilution | Middle and late growth stages |
- Store in a cool, dry place away from direct sunlight; shake before use.
- This product is a highly concentrated liquid; some sedimentation is normal and does not affect fertilizer efficacy.
- For aerial application, ensure the drone spray system is clean and unobstructed.
- Compatible with most fertilizers and pesticides, but it is recommended to conduct a small-area trial first.
- For fruit trees and other high-value crops, multiple applications from early fruit set to maturity are recommended for best results.
Frequently asked questions
The main difference lies in the formulation and solubility.
- Monopotassium Phosphate (MKP)Solid powder product requires pre-dissolution before use; dissolution rate is relatively low, and incomplete dissolution may occur, potentially clogging sprayers.
- Liquid Phosphorus-Potassium FertilizerColorless transparent liquid, instantly soluble in water, no dissolution time required, does not clog nozzles, specially optimized for aerial application.
- NutrientsIn this product, P₂O₅ ≥400 g/L, K₂O ≥500 g/L, total phosphorus and potassium ≥900 g/L, with added sugar alcohols ≥30 g/L to enhance absorption.
Aerial application imposes special requirements on fertilizers:
- Dissolution rateThe time window for drone operations is limited; the fertilizer must dissolve instantly upon contact with water to avoid delaying operations.
- Non-CloggingIncomplete dissolution of solid fertilizers can clog spray nozzles, reduce application efficiency, and even damage equipment.
- Easy DilutionLiquid fertilizers are easier to dilute and dose uniformly.
- High ConcentrationReduces number of treatments, increases work efficiency.
- Good CompatibilityRequires combined use with various pesticides.
This product fully meets the above requirements and is an ideal choice for aerial application.
According to the crop growth cycle and its nutrient consumption characteristics:
- Field CropsApply during stem elongation, heading, and grain filling stages to stimulate grain filling and increase yield.
- Fruit TreesMultiple applications from early fruit set to maturity to stimulate fruit enlargement and improve quality.
- Solanaceous VegetablesApply during flowering, fruit set, and fruit development stages to improve fruit set and stimulate fruit development.
- Leguminous CropsApply during flowering and pod formation for best nitrogen fixation effect.
Recommended interval between applications is 7–10 days; regular use improves efficacy
Store in original packaging, sealed, in a cool, dry, well-ventilated place. Shelf Life:24 monthsStorage Precautions:
- Avoid direct sunlight and high temperatures
- Protect the packaging from damage by sharp objects.
- Shake before use. Presence of sediment is normal.
- Avoid storage with strong oxidizers, acids and alkalis.
Products are exported to Southeast Asia, the Middle East, Europe, and other regions. Export documents provided include:
- Commercial Invoice
- Packing List
- Certificate of Origin (CO)
- Phytosanitary Certificate
- SDS/MSDS (Multilingual Version)
- Certificate of Analysis (COA)
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Products of One Series
A wide selection of seaweed-based nutrient products to meet the needs of various crops and soil types.
