It has the soil quality, growing season, and moisture supply needed to produce a sustained high yield of crops, and cultivation of these soils results in the least damage to the environment ( Hedstrom 1987 ).
(It; has; the soil quality, growing season, and moisture supply needed to produce a sustained high yield of crops, and cultivation of these soils results in the least damage to the environment) (the soil quality, growing season, and moisture supply; needed; to produce a sustained high yield of crops)
It the soil quality, growing season, and moisture supply
has needed
the soil quality, growing season, and moisture supply needed to produce a sustained high yield of crops, and cultivation of these soils results in the least damage to the environment
to produce a sustained high yield of crops