I provided enough evidence of its existence below. Besides I worked with its early model myself. Since when google and the internet became the proof of everything?
While i think you make an interesting if often neglected point about chickens and eggs, chicken coops have a much firmer chronology and use. I maintain that if there was such a device as you described, and i have my doubts, that i'd be able to find some sort of evidence online based on the coolness of gargantuan soviet era devicery.
So, before i write this off as a complete waste of time, can you link me to any pictures or descriptions or even (gasp) books wherein i could learn about the PLA-1 or its successor, the PLA-1A? Cyrillic or english is fine.
Repeatedly posted from below: http://goo.gl/RtVgTd <- Page 21, sorry for Russian source. It takes 4000 saplings at once, and goes at 6 km/hr, can plant every at 0.5m, gives you 12K saplings/hr. You have to recharge it with cassettes with saplings.
So, before i write this off as a complete waste of time, can you link me to any pictures or descriptions or even (gasp) books wherein i could learn about the PLA-1 or its successor, the PLA-1A? Cyrillic or english is fine.