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what nutrient is responsible for soil fertility after volcanic eruption?​

Sagot :

Answer:

Though phosphorus is usually a lim- iting nutrient for most agricultural plants grown on volcanic ash soils, the Mt. Usu ash contains a sub- stantial amount of plant available phosphorus. This fact strongly suggests that nitrogen is the most important nutrient limiting revegetation of Mt.

Answer:

Nitrogen

Explanation:

Though phosphorus is usually a lim- iting nutrient for most agricultural plants grown on volcanic ash soils, the Mt. Usu ash contains a sub- stantial amount of plant available phosphorus (Shoji et al., 1993b). This fact strongly suggests that nitrogen is the most important nutrient limiting revegetation of Mt.