What are the most important soil properties that make it fertile?
Plants need anchorage, water and nutrients from the soil but are sensitive to excesses of growth-impeding substances in the soil. The supply and uptake of nutrients from the soil is not a simple process but requires a suitable combination of various soil properties: • physical properties (depth, texture, structure, pore space with water and air); • physico-chemical properties (pH and exchange capacity); • chemical and biological properties (nutrient status, their transformation, availability and mobility). A major objective of having the most suitable soil physical, chemical and biological conditions is to provide the most favourable environment for the roots to grow, proliferate and absorb nutrients.
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