There is an organization called Kinyan Eretz Yisrael. Their goal is to enable every Jew to perform all 28 Mitzvos of the Land including Terumos, Ma’asros, Pe’ah, Leket, Shikhekha, and so on and so forth.
You don’t need to be in Eretz Yisrael to perform these Mitzvos!
To learn more, please visit the website.
Wheat harvest footage highlights (for 5779) here:
(From YouTube, here.)