
The answer is “Yes” when you are talking about nature in the context of wilderness areas. In these places, annual rainfall, flooding, soil displacement, and the death of living things that decay into compost all contribute to the revitalization of soil mineral content.
Not so in an urban backyard. Here, natural cycles are impeded by too many human creature comforts, and trees growing in the soil rapidly use up their mineral resources. These resources must be artificially replenished in order for plants to maintain their vitality.
Although we may think that the larger trees, because of their size, consume most of these nutrients, the reality is that saplings need far more fertilizer than mature trees.This is because young trees, like all things undergoing rapid growth spurts, use more energy to fuel their maturation process.
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