tree per plot造句

There were 25 to 60 living trees per plot, all these and any dead white spruce were marked ( Table 5.11 ).
With the industry not derived on a colonial plantation-based system, production is largely by small farmers with land holdings that grow as little as 20 trees per plot in coffee gardens alongside subsistence crops.
Prism size is chosen to yield a statistically valid estimate of basal area-6-10 " in " trees per plot are required, which requires a prism of the proper factor depending on the size of the trees being cruised.
It's difficult to find tree per plot in a sentence. 用tree per plot造句挺难的