3,073. Fewer Than Three Vines
Hilchos Kilayim 6:10
If there are fewer than three vines, they are not counted in the vineyard. Rather, one separates six handbreadths in every direction (about 18”) and then he can plant.
Hilchos Kilayim 6:11
If someone plants seeds under branches and leaves emerge from the vines, the produce is consecrated even though it may be a number of cubits from the root of the vine.