solenoid jam
Вроде не отмечено.
Периметр территории по фармландам. 
https://www.vniikormov.ru
https://ru.wikipedia.org/wiki/%D0%92%D1%81%D0%B5%D1%80%D0%BE%D1%81%D1%81%D0%B8%D0%B9%D1%81%D0%BA%D0%B8%D0%B9_%D0%9D%D0%98%D0%98_%D0%BA%D0%BE%D1%80%D0%BC%D0%BE%D0%B2_%D0%B8%D0%BC%D0%B5%D0%BD%D0%B8_%D0%92._%D0%A0._%D0%92%D0%B8%D0%BB%D1%8C%D1%8F%D0%BC%D1%81%D0%B0