L'état de fertilité des terres agricoles et forestières en région wallonne (adapté du chapitre 4 - sol 1 de

Fertility state of agricultural and forest soils in Walloon region. Feeding on plants and animals, the human societies are broadly dependent on soils because these, beyond their role as support of plant production, produce, contain, and collect the most part of the nutriments necessary to life. The sustainable management of the agricultural and forest soils implicates an uninterrupted assessment of their state by the measure of fertility indicators. This last is perceptible as the soil suitability to assume the plant biomass production. The soil suitability results from environmental physical,... Mehr ...