Precision crop protection is the controlled application of plant-protection products to agricultural crops according to the requirements of a specific field operation. For commercial farming, the spraying machine is an important part of this process because machine mobility, boom configuration, spray-system control, operating method, and field accessibility all influence how the application can be carried out.
This application focuses on field crop protection spraying, rather than a single pesticide program or crop-specific chemical recommendation. The relevant equipment includes self-propelled boom sprayers and remote-control self-propelled boom sprayers supplied with different machine configurations.
For professional buyers, the selection process should start with the application:
Field crop protection → field conditions → operational requirements → spraying equipment → machine configuration → application control → procurement
The objective is not simply to select a machine with a larger tank or wider boom. The equipment should be matched to the intended agricultural operation, field access requirements, crop environment, desired working method, and level of spraying control required.
This solution is intended for professional field crop spraying and plant protection operations where self-propelled or remote-control spraying equipment is being considered.
The supplied equipment provides several configuration options, including:
Compact remote-control spraying machines for more localized operations
Self-propelled boom sprayers with different drive and steering configurations
Larger self-propelled boom sprayers for higher-capacity field operations
Equipment with variable spraying control where specified
A PWM nozzle configuration on the 3WYP-160DB model
Because the input does not specify individual crop compatibility for every machine, crop selection should be confirmed against the actual crop, crop height, row structure, field geometry, and spraying requirements before purchase.
Field crop protection can involve different agricultural environments, from smaller operational areas to larger commercial fields. The practical requirements of the spraying machine therefore depend on field size, terrain, crop development, accessibility, and the required spraying workflow.
Machine configuration becomes particularly important when field access or operator positioning is a consideration. A remote-control machine allows the operator to control the equipment from a distance, while self-propelled machines provide their own drive system rather than relying on a separate tractor platform.
The supplied models demonstrate different approaches to field mobility:
The 3WYP-270 uses four-wheel drive and articulated steering.
The 3WYP-160 and 3WYP-160DB use three-wheel drive with front-wheel steering.
The 3WPZ-1500C uses four-wheel drive with four-wheel concentric hydraulic steering.
The 3WPZ-3000 uses four-wheel drive and four-wheel steering.
The 3WYP-40 is a compact two-wheel-drive remote-control machine.
These configurations should be evaluated against actual field access, turning requirements, terrain, crop conditions, and machine operating space.
The core operation is field crop protection spraying.
A typical equipment workflow consists of preparing the sprayer, filling and managing the spray tank according to the approved operating procedure, configuring the boom and spray system, moving through the field, applying the required spray, monitoring machine and application parameters where available, and completing cleaning and inspection after operation.
The application page does not prescribe pesticide types, chemical rates, spray volumes, or agronomic treatment schedules. Those decisions depend on the crop, pest or disease situation, product label requirements, local regulations, and professional agronomic guidance.
The equipment's role is to provide the mechanical platform and spraying system needed to carry out the application.
Professional crop protection spraying can involve several equipment-related challenges.
The machine must be able to enter and move through the intended working area without creating unnecessary operational constraints. Drive configuration, steering design, dimensions, wheel track, and ground clearance are therefore important selection factors.
Spraying requires controlled delivery across the operating width. Working pressure, boom configuration, nozzle arrangement, and available application-control functions should be considered together rather than evaluated independently.
Some operations may benefit from remote-control equipment when the buyer's operating workflow requires the operator to control the machine from a distance. The supplied remote-control models have specified remote-control functions and, in some cases, navigation or control information.
A compact machine and a large self-propelled sprayer serve different equipment-selection requirements. Tank capacity, boom length, machine dimensions, working efficiency, and operating configuration should therefore be matched to the intended operation.
Where the operation requires more controlled application management, buyers may evaluate equipment with specific spraying-control technologies. The 3WYP-160DB, for example, is specified with 54 PWM nozzles, while the 3WPZ-1500C is specified with a variable spraying control system.
A precision crop protection machine should be evaluated according to the actual application rather than by a single specification.
Drive and steering systems affect how the sprayer moves through the field. Buyers should consider whether two-wheel, three-wheel, or four-wheel drive is appropriate for the intended operating environment and whether the steering configuration provides the required maneuverability.
Working pressure is an important spray-system parameter. The supplied machines with specified pressure ranges generally list 0.2–0.5 MPa. Buyers should still determine the correct operating settings according to the selected spraying system and approved application requirements.
Boom length determines the machine's spraying configuration and should be considered alongside field geometry and operating requirements. The supplied equipment ranges from a 3.5 m boom on the 3WYP-40 to an approximately 20 m boom on the 3WPZ-3000.
For applications where remote machine operation is required, the buyer should verify the actual remote-control configuration, operating range, navigation functions, and control requirements of the selected model.
Where precision spraying is a procurement priority, buyers should examine whether the selected machine includes the required control technology. The supplied 3WPZ-1500C includes a variable spraying control system that displays parameters such as operating speed, working pressure, working width, application amount per unit area, completed area, and total application amount.
The appropriate solution is to match field crop protection requirements with the corresponding self-propelled or remote-control spraying configuration.
The selection logic can be summarized as:
Field access requirement → select suitable drive and steering configuration
Remote operation requirement → evaluate remote-control self-propelled sprayers
Compact application requirement → consider compact self-propelled configurations
Larger field operation → evaluate higher-capacity self-propelled boom sprayers
Greater application-control requirement → evaluate equipment with specified variable spraying or PWM technology
This approach keeps equipment selection connected to the actual agricultural operation instead of treating every spraying machine as interchangeable.
The self-propelled sprayer integrates the machine platform, liquid tank, pumping and spraying components, boom assembly, and machine-control functions into a dedicated agricultural spraying unit.
During operation, the machine moves through the field while the spray system delivers liquid through the boom and nozzles. Working pressure is controlled within the operating capability of the selected system.
On equipment with additional application-control functions, the control system can provide more information or control options during operation. For example, the 3WPZ-1500C includes a variable spraying control system with real-time display of several operating and application parameters.
The 3WYP-160DB is specified with 54 PWM nozzles. This makes it a relevant configuration for buyers specifically evaluating a self-propelled spraying machine incorporating PWM nozzle technology.
The exact operating configuration should be confirmed against the final machine specification, crop conditions, application requirements, and local operating regulations.
Crop:
Field crops as confirmed for the specific project
Agricultural Operation:
Crop protection spraying
Working Environment:
Open agricultural field where remote machine operation is required
Main Challenge:
The operator may need to control the spraying machine remotely rather than from a conventional driving position.
Solution Requirement:
A self-propelled spraying machine with remote-control capability and a configuration appropriate to the field.
Relevant Equipment or Technology:
Remote-control self-propelled boom sprayer
Relevant Product:
3WYP-270 or 3WYP-160DB depending on the required machine configuration
Buyer Type:
Commercial farms, agricultural contractors, machinery distributors, and agricultural service companies
Crop:
Field crops as confirmed for the specific project
Agricultural Operation:
Field crop protection spraying
Working Environment:
Larger commercial field operation
Main Challenge:
The buyer requires a larger self-propelled spraying platform rather than a compact remote-control machine.
Solution Requirement:
Higher-capacity tank configuration, longer boom configuration, suitable mobility, and spraying control functions.
Relevant Equipment or Technology:
Self-propelled boom sprayer
Relevant Product:
3WPZ-1500C or 3WPZ-3000
Buyer Type:
Large-scale farms, contractors, distributors, and agricultural engineering companies
For the supplied field spraying configurations, the application system can be understood as:
Self-Propelled Machine Platform
→ Drive and Steering System
→ Spray Tank
→ Pump and Filtration System
→ Boom Assembly
→ Nozzle System
→ Spraying Control Functions
The 3WPZ-1500C provides an example of an integrated higher-capacity configuration. Its supplied specifications include two 750 L tanks, return-water and jet agitation, a three-stage filtration system, a six-cylinder diaphragm pump, a boom of at least 18 m, 37 spray nozzles, and a variable spraying control system.
The 3WPZ-3000 provides another larger-machine configuration with a 3,000 L tank, 20 m boom, four-wheel drive, four-wheel steering, and an optional variable spraying control system.
These systems should be selected according to the specific crop protection project rather than assuming that the largest configuration is automatically the most appropriate.
Product:
3WYP-270 self-propelled remote-control boom sprayer
Application Role:
Remote-control field spraying
Crop / Operation Relevance:
Relevant to field crop protection operations where a remote-control self-propelled spraying configuration is required.
Reason for Relevance:
The machine is specified as self-propelled and remote-controlled, with four-wheel drive and articulated steering. It has a 270 L rated tank, 7 m boom, 0.2–0.5 MPa working pressure, and a specified remote-control range of up to 500 m.
Relevant Product Information:
Maximum travel speed is specified as 9 km/h, engine rated power as 13.5 kW, and working efficiency as 40 mu/h.
Product:
3WYP-160DB self-propelled remote-control boom sprayer
Application Role:
Remote-control spraying with PWM nozzle configuration
Crop / Operation Relevance:
Relevant when a buyer is evaluating a remote-control self-propelled spraying machine with a specified PWM nozzle configuration.
Reason for Relevance:
The model is specified with 54 PWM nozzles and a 0.2–0.5 MPa working-pressure range.
Relevant Product Information:
The supplied specifications include a 160 L tank, 8,000 mm boom length, 600 mm minimum ground clearance, three-wheel drive, front-wheel steering, and a travel-speed range of 0–8 km/h.
Product:
3WPZ-1500C self-propelled boom sprayer
Application Role:
Higher-capacity field crop spraying
Crop / Operation Relevance:
Relevant for professional field spraying projects requiring a larger self-propelled machine configuration and integrated spraying-control functions.
Reason for Relevance:
The machine is specified with two 750 L tanks, a boom of at least 18 m, four-wheel drive, four-wheel concentric hydraulic steering, and a variable spraying control system.
Relevant Product Information:
The supplied specifications state a working efficiency of at least 130 mu/h, a working speed of at least 9 km/h, a 6-cylinder diaphragm pump with flow of at least 280 L/min, and boom-height adjustment from 400 to 3,300 mm.
Product:
3WPZ-3000 self-propelled sprayer
Application Role:
Large-capacity field spraying
Crop / Operation Relevance:
Relevant for agricultural buyers evaluating a large-capacity self-propelled spraying platform.
Reason for Relevance:
The machine has a specified 3,000 L tank, 20,000 mm boom, four-wheel drive, and four-wheel steering.
Relevant Product Information:
The supplied specifications include a 74 kW rated power at 2,400 r/min, 0.2–0.5 MPa working pressure, 1,030 mm ground clearance, and an optional variable spraying control system.
Professional buyers should evaluate the machine in the following order:
1. Define the agricultural operation
Confirm whether the equipment will be used for routine field crop protection spraying, a remote-control application, a larger commercial spraying operation, or a precision-control project.
2. Assess the field
Review field size, access conditions, terrain, crop structure, turning space, and ground conditions before choosing the machine configuration.
3. Match the machine configuration
Compare drive type, steering type, dimensions, ground clearance, tank capacity, and boom length with the actual operating environment.
4. Evaluate spraying requirements
Review working pressure, pump configuration, filtration, boom design, nozzle arrangement, and application-control functions.
5. Consider control technology
If PWM or variable spraying is part of the project requirement, confirm that the selected model provides the required technology.
6. Confirm operational requirements
Remote-control range, travel speed, operating efficiency, navigation functions, and operator requirements should be checked against the intended project.
7. Evaluate supplier capability
Before procurement, request complete technical documentation, configuration details, spare-parts information, delivery conditions, and application support.
When correctly matched to the agricultural operation, the supplied equipment can provide several practical advantages:
Self-propelled operation avoids dependence on a separate tractor platform.
Different drive and steering configurations allow buyers to evaluate machine mobility according to field requirements.
Remote-control models provide an alternative operating method for projects requiring remote machine control.
Different tank and boom configurations allow equipment selection according to operational scale.
The 3WYP-160DB provides a specified PWM nozzle configuration for buyers evaluating PWM-based spraying equipment.
The 3WPZ-1500C provides integrated variable spraying control and real-time operating information.
Larger machines such as the 3WPZ-1500C and 3WPZ-3000 provide configurations intended for higher-capacity field spraying operations.
These benefits describe equipment capabilities rather than guaranteed agronomic or economic outcomes.
Assess the application
Define the crop protection operation, field environment, operating scale, and control requirements.
Assess the field
Review access, terrain, turning space, crop conditions, and other physical constraints.
Select the machine configuration
Compare tank capacity, boom length, drive, steering, ground clearance, and operating method.
Configure the spraying system
Confirm the boom, nozzle configuration, pump, filtration, pressure range, and available control technology.
Prepare the operation
Conduct pre-operation inspection and configure the machine according to the approved operating procedure.
Perform field spraying
Operate the machine according to the selected configuration and applicable agronomic and regulatory requirements.
Monitor operation
Where the equipment provides application-control information, monitor the available machine and spraying parameters during operation.
Clean and inspect
Clean the spraying system and inspect the machine, nozzles, filtration components, control equipment, and mechanical systems after operation.
Routine inspection is important for maintaining reliable spraying operations.
Before and after operation, buyers and operators should consider:
Checking the spray boom for structural damage
Inspecting nozzles and nozzle mounting
Checking filtration components
Inspecting hoses and liquid-system connections
Checking the pump and spraying system
Reviewing working-pressure indications where available
Inspecting wheels, steering, and drive components
Checking remote-control equipment on applicable models
Reviewing the spraying-control system
Cleaning the liquid-contact components after operation
Identifying abnormal wear or damage before the next operation
Maintenance requirements should follow the manufacturer's technical documentation for the selected machine.
Problem:
Uneven application
Possible Cause:
Incorrect equipment configuration, unsuitable operating conditions, or problems within the spraying system may contribute.
Practical Consideration:
Review the boom, nozzle system, pressure, machine operating condition, and application-control configuration.
Problem:
Difficult field maneuverability
Possible Cause:
The selected drive or steering configuration may not match the physical characteristics of the field.
Practical Consideration:
Evaluate steering type, wheel configuration, dimensions, ground clearance, and turning requirements before purchase.
Problem:
Insufficient machine capacity for the intended operation
Possible Cause:
Tank and boom configuration may not match the operational scale.
Practical Consideration:
Compare tank capacity, boom length, operating speed, and working efficiency with the actual project requirements.
Problem:
Remote operation does not match project requirements
Possible Cause:
The selected remote-control configuration may not provide the required operating method or control range.
Practical Consideration:
Confirm remote-control specifications and operating requirements before procurement.
Problem:
Precision-control requirements are not adequately addressed
Possible Cause:
The selected machine may not include the required PWM or variable spraying technology.
Practical Consideration:
Confirm the exact nozzle and spraying-control configuration in the technical quotation.
For a precision crop protection project, buyers should evaluate more than the machine's headline specifications.
Important supplier-selection factors include:
Experience in agricultural spraying equipment
Technical documentation and complete specifications
Ability to provide different machine configurations
Precision spraying technology development
Core component and system development capability
Application-specific engineering support
Spare-parts availability
OEM or customized equipment development capability where required
Export and international B2B communication capability
Technical support during equipment selection
Clear quotation and configuration documentation
Delivery and after-sales support arrangements
For distributors and agricultural machinery importers, it is particularly important to confirm whether the supplier can provide stable technical documentation and consistent equipment configurations across orders.
Hefei Duojia Agricultural Technology Co., Ltd. focuses on intelligent agricultural equipment and precision fertilizer and pesticide application technologies. The company has developed agricultural machinery, intelligent spraying systems, precision application components, and customized equipment solutions since 2012.
Its stated R&D scope includes precision spraying, intelligent agricultural machinery, variable-rate application, control systems, and related mechanical components. The company reports more than 230 national patent applications and development cooperation with universities and research institutions.
For B2B buyers, this combination of complete agricultural equipment and core component development can be relevant when evaluating standard machinery, precision application systems, or application-specific equipment development.
Field Crop Spraying
Precision Spraying
Variable-Rate Spraying
Intelligent Agricultural Equipment
Agricultural Robot Applications
Precision Fertilization
Smart Farming
Precision crop protection is an approach to crop spraying that focuses on matching the application equipment and control method to the actual crop, field, and plant-protection operation. The equipment can include self-propelled boom sprayers and spraying-control technologies.
The appropriate equipment depends on field conditions, operational scale, machine access, spraying requirements, and control requirements. The supplied range includes compact remote-control machines, self-propelled boom sprayers, larger-capacity machines, and configurations with PWM or variable spraying control.
The supplied remote-control models have different drive, steering, dimensions, tank capacities, boom configurations, and control specifications. For example, the 3WYP-270 uses four-wheel drive and articulated steering, while the 3WYP-160DB uses three-wheel drive, front-wheel steering, and 54 PWM nozzles.
The 3WPZ-1500C and 3WPZ-3000 provide larger machine configurations than the compact remote-control models. The 3WPZ-1500C has two 750 L tanks and a boom of at least 18 m, while the 3WPZ-3000 has a 3,000 L tank and a 20,000 mm boom.
Yes. The supplied specifications identify a variable spraying control system that can display operating speed, working pressure, working width, application amount per unit area, completed area, and total application amount.
Yes. The supplied technical information specifies 54 PWM nozzles for the 3WYP-160DB.
Crop suitability should not be assumed from the machine name alone. Buyers should confirm crop structure, field conditions, required boom configuration, ground clearance, application requirements, and local operating requirements for the intended project.
A buyer should provide the intended crop, agricultural operation, approximate field conditions, required operating method, desired machine capacity or boom configuration if known, remote-control requirements, precision-control requirements, destination market, and any OEM or customization requirements.
Precision crop protection depends on matching the spraying machine to the actual agricultural operation. For field crop spraying, self-propelled boom sprayers provide dedicated machine platforms, while remote-control models provide an alternative operating method for projects that require remote control.
The supplied Duojia range covers compact machines such as the 3WYP-40, remote-control configurations such as the 3WYP-270 and 3WYP-160DB, and larger self-propelled machines such as the 3WPZ-1500C and 3WPZ-3000. Selection should be based on field access, drive and steering requirements, tank capacity, boom configuration, spraying-system requirements, and the need for PWM or variable spraying control.
For distributors, agricultural contractors, commercial farms, and machinery integrators, the next step is to match the equipment configuration with the actual crop protection project and request detailed technical documentation before procurement.
Discuss your precision crop protection requirements with the agricultural equipment manufacturer.
Request:
Product information
Technical specifications
Equipment recommendations
Machine configuration details
Precision spraying requirements
Remote-control equipment information
PWM or variable spraying configuration
Quotation
OEM or customized equipment development
Provide your crop, field conditions, spraying operation, desired operating method, and procurement requirements so the appropriate agricultural machinery configuration can be evaluated.