A spreading device, a powder-like mixture composition and a method tor spreading the composition for control or prevent forest pathogens on tree stumps are disclosed.

A spreading device, a powder-like mixture composition and a method for spreading the composition for control or prevent forest pathogens on tree stumps are disclosed.

A door detection method includes controlling a door of a spreading apparatus to move toward to a preset position, obtaining first status information of an associated component of the door when the door stops moving, and determining whether the door has moved to the preset position according to the first status information and second status information. The second status information is status information of the associated component when the door is located at the preset position.

The invention relates to a method for dispensing a particulate material in a target area and a device suitable for use in the method. The method comprise (i) providing a reservoir comprising openings for the particulate material, (ii) providing a number of closing means suitable for at least partially closing the openings of the reservoir (iii) providing a number of screens in the void of the reservoir, said screens being movable, through the void of the reservoir between at least a first and a second position (iv) loading particulate material in the reservoir, (v) moving the reservoir loaded with particulate material over the target area and at least partially opening the number of openings while alternatingly moving the screens between a first and a second position and vice versa.

A door detection method includes controlling a door of a spreading apparatus to move toward to a preset position, obtaining first status information of an associated component of the door when the door stops moving, and determining whether the door has moved to the preset position according to the first status information and second status information. The second status information is status information of the associated component when the door is located at the preset position.

A spreading device, a powder-like mixture composition and a method for spreading the composition for control or prevent forest pathogens on tree stumps are disclosed.

The present disclosure describes an agricultural system having a flow path configured to distribute agricultural product from a product storage tank to a row unit across a field via an air flow. The flow path includes an inlet configured to receive the agricultural product, an outlet configured to output the agricultural product, a body extending between the inlet and the outlet, and a first pressure tap and a second pressure tap each extending into the body. The agricultural system also includes a first pressure sensor fluidly coupled to the first pressure tap and configured to output a first signal indicative of a first static pressure of the air flow proximate to the first pressure tap, and a second pressure sensor fluidly coupled to the second pressure tap and configured to output a second signal indicative of a second static pressure of the air flow proximate to the second pressure tap. Further, the agricultural system includes a controller communicatively coupled to the first pressure sensor and the second pressure sensor and configured to receive the first signal and the second signal, and a supplemental air supply fluidly coupled to the flow path proximate to the inlet and configured to selectively provide a supplemental air flow to the flow path. The controller is configured to instruct the supplemental air supply to selectively provide the supplemental air flow to the flow path based on the first signal, the second signal, or a combination thereof.

A device is provided. The device includes one or more electric sifters externally mounted to an aircraft and configured to store a payload. Each electric sifter includes a loading port to add the payload and a distribution apparatus to distribute the payload when the aircraft is airborne. The device also includes an uploaded program, configured to control the aircraft and the device. The uploaded program directs the aircraft to land at a designated location in response to a payload of a designated one of the one or more electric sifters reaching a predetermined level. In response to the device receives a command to activate the distribution apparatus, the distribution apparatus distributes the payload from the device.

The invention relates to a method for dispensing a particulate material in a target area and a device suitable for use in the method. The method comprise (i) providing a reservoir comprising openings for the particulate material, (ii) providing a number of closing means suitable for at least partially closing the openings of the reservoir (iii) providing a number of screens in the void of the reservoir, said screens being movable, through the void of the reservoir between at least a first and a second position (iv) loading particulate material in the reservoir, (v) moving the reservoir loaded with particulate material over the target area and at least partially opening the number of openings while alternatingly moving the screens between a first and a second position and vice versa.