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Explore our flagship drone-grade fertilizer solutions engineered for high-efficiency fruit tree nutrition and precision aerial application.
Built on 20+ years of industry experience, delivering trusted phosphate-based fertilizers to global agricultural markets.
Sichuan Luobu New Material Technology Co., Ltd., founded in 2019, is located in Shifang City, Sichuan Province — one of China's key phosphate production regions. The area is known for its strong phosphate resource base and well-developed industrial infrastructure, providing a solid foundation for fertilizer manufacturing and technical innovation.
The company focuses on the research, production, and supply of high-performance phosphate-based fertilizers for modern agriculture. With a leadership team boasting over 20 years of international fertilizer industry experience, Luobu bridges advanced manufacturing capability with a deep understanding of global market demands.
Learn More About UsMonopotassium Phosphate engineered specifically for aerial drone application in fruit tree orchards — where precision, purity, and performance matter most.
Drone-Grade Monopotassium Phosphate (MKP) is the flagship product developed and manufactured by Sichuan Luobu New Material Technology Co., Ltd. It is specifically engineered and optimized for agricultural drone application, meeting the practical requirements of modern aerial spraying systems. Unlike conventional fertilizers designed for ground application or irrigation, Drone-Grade MKP is formulated to ensure fast dissolution, stable purity, and full compatibility with drone spraying equipment. In aerial operations, fertilizers must dissolve instantly and leave minimal residue to avoid clogging nozzles, disrupting spray uniformity, or damaging sensitive sprayer components.
Specially processed crystal structure ensures complete dissolution within seconds, preventing nozzle blockage and maintaining consistent spray patterns during drone operations over fruit orchards.
Minimum 99% purity grade eliminates insoluble impurities that could clog precision drone nozzles. Low insoluble residue (<0.1%) ensures clean, reliable performance in every application cycle.
With a 0-52-34 NPK ratio, MKP delivers a powerful combination of phosphorus and potassium — the two nutrients most critical for fruit sizing, sugar accumulation, color development, and post-harvest shelf life.
Neutral pH formulation (4.0–4.5 in solution) is non-corrosive to drone pump systems, tanks, and nozzle materials, significantly extending equipment lifespan and reducing maintenance costs.
Low hygroscopicity and excellent moisture stability prevent caking during storage and transport — critical for maintaining product quality across tropical, subtropical, and humid orchard environments.
Recognized in China's "Top 100 Major Agricultural Science and Technology Achievements" by the Chinese Academy of Agricultural Sciences in 2023. Backed by multiple invention and utility model patents.
The intersection of precision agriculture, drone technology, and advanced fertilizer science is reshaping how the world feeds its orchards.
The global agricultural drone market is projected to exceed USD 10 billion by 2030, growing at a CAGR of over 20%. Asia-Pacific — led by China, India, and Southeast Asia — accounts for the largest share of drone-based crop management adoption. As drone fleets expand from rice paddies to fruit orchards, demand for drone-compatible fertilizer formulations is accelerating rapidly.
Fruit tree growers across China, Southeast Asia, the Middle East, and Africa are transitioning from broadcast fertilization to precision aerial application. This shift is driven by labor cost pressures, water scarcity, and the need for higher-quality fruit output to meet export standards. Drone-grade MKP is positioned at the center of this transformation.
China's Ministry of Agriculture has begun establishing technical standards for drone-applied fertilizers, including dissolution rate benchmarks, particle size specifications, and residue limits. Luobu's Drone-Grade MKP was developed ahead of these standards and already meets or exceeds all proposed regulatory thresholds — giving the company a first-mover advantage in compliance-driven markets.
Next-generation drone spraying systems are being integrated with AI-driven crop monitoring, satellite imagery, and IoT soil sensors. This creates demand for fertilizers that can be precisely dosed and timed based on real-time crop data. Drone-Grade MKP's fast-dissolving, high-purity properties make it ideal for integration into these smart, data-driven nutrient management systems.
Drone-Grade MKP delivers measurable agronomic benefits across the full fruit tree growth cycle — from flowering to post-harvest recovery.
Applied via drone during the fruit enlargement stage, Drone-Grade MKP significantly improves fruit firmness, sugar content, and red coloration in apples. The high potassium content supports cell wall development, reducing cracking and improving post-harvest shelf life for export-grade fruit.
In citrus production, aerial MKP application during the color break stage accelerates peel development and juice quality. The phosphorus component supports root energy metabolism while potassium regulates stomatal opening, improving drought resilience in water-stressed orchard environments across subtropical regions.
Drone-based MKP foliar sprays during berry sizing and veraison stages enhance anthocyanin synthesis, berry weight uniformity, and Brix levels. The precise aerial delivery ensures even coverage across dense canopy structures where ground-based sprayers struggle to penetrate effectively.
In tropical and subtropical mango orchards, Drone-Grade MKP is applied pre-flowering to stimulate panicle initiation and improve fruit set rates. The chloride-free formula prevents leaf scorch — a critical advantage in sensitive mango varieties grown across South and Southeast Asian markets.
For peaches, nectarines, and cherries, aerial MKP application during pit hardening and final swell stages improves flesh firmness, reduces split pit disorders, and enhances skin color. The fast-dissolving formula ensures rapid foliar absorption, maximizing nutrient efficiency in short application windows.
In arid and semi-arid date palm plantations across the Middle East and North Africa, drone-applied MKP overcomes the logistical challenges of tall tree canopy access. The high-purity formula performs reliably in high-temperature, low-humidity conditions where conventional fertilizers may degrade or crystallize.
From raw material sourcing to global delivery, Luobu's end-to-end capability ensures consistent quality, competitive pricing, and reliable supply.
In addition to Drone-Grade MKP, Luobu manufactures conventional crystalline MKP, monoammonium phosphate (MAP), and a range of water-soluble fertilizers designed for fertigation and precision nutrient management. Products are supplied to distributors, importers, and agricultural service providers in domestic and international markets.
The company operates its own manufacturing facility with standardized production lines and internal quality control procedures. From raw material sourcing to finished product packaging, each stage follows established operating standards. Particular attention is given to dissolution rate, insoluble residue control, particle distribution, and moisture stability.
Luobu holds multiple invention and utility model patents related to fertilizer formulation and application technology. Recognized as a National High-Tech Enterprise in China, the company received several provincial-level innovation awards. In 2023, its Drone-Grade MKP was included in the "Top 100 Major Agricultural Science and Technology Achievements" by the Chinese Academy of Agricultural Sciences.
Although established in 2019, Luobu benefits from a leadership team with over 20 years of experience in the international fertilizer industry. The company has developed stable cooperation with partners across Asia, the Middle East, and other emerging agricultural markets, combining practical manufacturing capability with deep global market understanding.
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Partner with Sichuan Luobu to access drone-grade MKP formulations trusted by growers and distributors across 60+ countries. Our technical team is ready to support your aerial application requirements with customized solutions, competitive pricing, and reliable global supply.
Contact Us NowLocated in Shifang City, Sichuan Province — at the heart of China's phosphate production belt.
Although established in 2019, Luobu benefits from a leadership team with over 20 years of experience in the international fertilizer industry. This background enables the company to combine practical manufacturing capability with a deep understanding of global market requirements and customer expectations.
The company has developed stable cooperation with partners across Asia, the Middle East, and other emerging agricultural markets — consistently delivering on quality, timelines, and technical support commitments.
Explore our complete range of high-purity, water-soluble phosphate fertilizers designed for drone spraying, fertigation, and precision agriculture.