In Oregon in 1961, a Douglas-fir nursery was established on agricultural lands. The soil was sterilized to remove all soil organisms and mineral nutrients were added to the soil. Predict the success of the Douglas-fir seedlings.
a. Seedlings grew successfully in the nutrient-rich soil.
b. Seedlings were unable to grow due to lack of mutualistic organisms.
c. A few patches of seedlings grew successfully in areas colonized by airborne spores.
Answer C- few patches of seedlings grew successfullu in area colonized by airborne spores
In Oregon in 1961, a Douglas-fir nursery was established on agricultural lands. The soil was sterilized...