A fertilizer application system for a liquid fertilizer concentrate includes a container containing a first fluid. A siphon is disposed on the container and includes two inlets and an outlet. A flow control valve is configured to selectively control an amount of first fluid flowing through the siphon based on ambient temperature of an environment outside the container. A siphon tube includes a siphon tube first portion in fluid communication with the first fluid, and a siphon tube second portion fluidly coupled to an inlet of the siphon. The first fluid includes a liquid fertilizer concentrate comprising a nitrogen containing source, a phosphorous containing source, a sulfur containing source, a potassium containing source, an iron containing source, and water.

A flow control system for controlling flow of materials such as seeds or fertilizer as the materials are fed into a manifold and meter unit of an air seeder. The flow control system generally includes a flow controller which is connected between a volume of materials, such as a tank, and a manifold of an air seeder. The flow controller is adapted to control flow of the materials into the manifold to be metered by a meter unit. The flow controller includes a plurality of movable gates; with each gate being adapted to selectively open or close a corresponding opening in the flow controller. The gates may be manually adjusted, such as by a handle, or may be automatically adjusted, such as by actuators. By selectively opening or closing various gates, the volume and speed of flow of materials into the manifold may be easily and efficiently adjusted.

A spreader device for distributing agricultural materials over a defined delivery path, the device including a container for holding the materials atop a conveyor system that distributes the material over a delivery path that is adjustable in width. In the primary embodiment the container includes telescopically adjustable sidewalls that enable a user to control the width of the delivery path.

A spreader device for distributing agricultural materials over a defined delivery path, the device including a container for holding the materials atop a conveyor system that distributes the material over a delivery path that is adjustable in width. In the primary embodiment the container includes telescopically adjustable sidewalls that enable a user to control the width of the delivery path.

A spreader device for distributing agricultural materials over a defined delivery path, the device including a container for holding the materials atop a conveyor system that distributes the material over a delivery path that is adjustable in width. In the primary embodiment the container includes telescopically adjustable sidewalls that enable a user to control the width of the delivery path.

A spreader device for distributing agricultural materials over a defined delivery path, the device including a container for holding the materials atop a conveyor system that distributes the material over a delivery path that is adjustable in width. In the primary embodiment the container includes telescopically adjustable sidewalls that enable a user to control the width of the delivery path.

A particulate material agitation control system includes a metering system and an agitation control system. The metering system includes a first meter at a first position of the metering system and a second meter at a second position of the metering system. The agitation control system an agitating system and a controller having a memory and a processor. The agitating system includes a drive system. The controller is configured to determine a first output amount of particulate material at the first position, determine a second output amount of the particulate material at the second position, determine whether a difference between the first output amount and the second output amount is greater than an output difference threshold value, and output an activation signal to the agitating system indicative of instructions to activate the drive system in response to determining that the difference between the first output amount and the second output amount is greater than the output difference threshold value.

An orchard fertilizer spreader has rearwardly positioned conveyors that are independently laterally extendable between a minimum width transport position and a maximum width operating position to deliver fertilizer from a supply tank to the orchard trees. The conveyors are mounted in a longitudinally spaced configuration to permit a diverter box to supply fertilizer to either conveyor or to both conveyors simultaneously through manipulation of diverter panels. The conveyors are mounted on a support pan formed with a plurality of rollers to facilitate the lateral extension of the conveyors. The support pan is pivotally mounted on a frame to forma a breakaway that enables the conveyors to rotate in the event of impact between a conveyor and an object. The reset of the conveyors into the laterally extended position is accomplished with a hydraulic cylinder. The conveyors can be laterally extended manually, or via a hydraulic cylinder.

Disclosed is a variable-size and variable-amount topdressing device. The device includes a main frame; an image recognition unit; a variable-amount fertilizer applying portion; two electric push rods which are vertically and fixedly connected to inner opposite surfaces of the main frame respectively; and a variable-size fertilizer applying portion arranged at an output end of the variable-amount fertilizer applying portion, where a height of the variable-size fertilizer applying portion is adjusted by the two electric push rods, an output end of the variable-size fertilizer applying portion is arranged corresponding to the output end of the variable-amount fertilizer applying portion, and the variable-size fertilizer applying portion is used for adjusting a fertilizer applying range. The variable-amount fertilizer applying portion, the variable-size fertilizer applying portion and the two electric push rods are electrically connected to the image recognition unit.

Disclosed is a variable-size and variable-amount topdressing device. The device includes a main frame; an image recognition unit; a variable-amount fertilizer applying portion; two electric push rods which are vertically and fixedly connected to inner opposite surfaces of the main frame respectively; and a variable-size fertilizer applying portion arranged at an output end of the variable-amount fertilizer applying portion, where a height of the variable-size fertilizer applying portion is adjusted by the two electric push rods, an output end of the variable-size fertilizer applying portion is arranged corresponding to the output end of the variable-amount fertilizer applying portion, and the variable-size fertilizer applying portion is used for adjusting a fertilizer applying range. The variable-amount fertilizer applying portion, the variable-size fertilizer applying portion and the two electric push rods are electrically connected to the image recognition unit.