Has anyone ever seen a UAV doing dry application (seeding or fertilizing)?

I know that Yamaha has a dry dispersal system for the RMAX and they have apparently been toying with seeding rice with them in Japan, but I can't find any pictures, stats, or video of that being performed. Anyone ever seen this?

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Did some granular work 2 years ago using Graslan (tebuthiuron) and I'm currently developing a larger multirotor to do similar work fully automated.

Got pix?
When you say fully automated, you mean like an auto gate slaved to a GPS that uses a GIS shape file for field boundary identification, and then it will turn on and off itself?
DIRECTIONS FOR USE
RESTRAINTS
PRIOR TO AERIAL APPLICATION. A recommendation for the rate and area to be treated will only be made after a detailed paddock inspection by Dow AgroSciences or accredited appointee.
AERIAL APPLICATION of Graslan Aerial will only be carried out by Dow AgroSciences approved or accredited applicators. DO NOT apply this product to salt or erosion prone areas.
DO NOT apply this product within 100 metres of a recognised water course.
DO NOT apply Graslan Aerial on land with a slope greater than 20 percent (11 degrees).
DO NOT apply Graslan Aerial during rainy conditions, when wind exceeds 20 km/hr (11 knots), or under conditions which will cause pellet movement to non-target areas during application.
RETAIN at least 20 percent of the original tree population in wildlife corridors that are at least 100 metres wide. These are essential for shade and protection of livestock and native fauna. Ideally, shelter belts should traverse variable terrain, particularly ridgelines and hill tops as well as water courses, and link other vegetated corridors where possible.
FOR LONG TERM VIABILITY retain a minimum of 5 hectares for shade areas, regardless of vegetation type.
DO NOT apply Graslan Aerial on field crops, near desirable trees or shrubs or to areas into which their roots may extend or in locations where the chemical may be washed into contact with their roots as injury or death may occur.
DO NOT apply Graslan Aerial to land to be put under field crops within 5 years of application.

Kind of like our Spike. You don't want that stuff to get loose, lol!
That's interesting.
What countries are deforesting and not planting back or putting pavement down in the tree's place?
I was involved in the commercial timber industry in the U.S. putting dry fertilizer on pine trees, mostly in the Southeastern states, and the commercial industry replants within one year of a tract harvest. Roughly every 25 years. The U.S. Forest Service also does some reforestation on "public" forest lands. With that being my background, I guess I am unaware of deforestation without reforestation. I know there is clearing of forest in places like Brazil for farmground, and the U.S. for housing, but then you can't go back and replant.....
Inform me.

Hello, I have seen using multirotors to apply polen in Pears in my country, Chile, as a dry product, so I undertand it can be done.

What we have been doing is invasive woody weed control so not for deforestation. Many woody weeds such as Blackberry Lantana and Prickly Acacia have the ability to strangle local habitat to the environments detriment.

In Sudan they seem to be working on acacia seeding with fixed wing and seem to develop robotic arms to evaluate soil?or somekind.Although I personally think waterboxx groasis--(Dubai Desert--Prosopis cineraria-a success story)kind of plant boxes and maybe supporting them with NDVI scanning from above can be more energy efficient in working against desertification.Maybe this engineer is in diydrones group?..https://www.youtube.com/watch?v=FRpHVq3JHEc

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