With a focus on reducing the linear flow of nutriencts, what magnitude of nutrient circularity could be presented by forest establishment.
Imre Lenke
For sewage sludge to be used in agriculture:
- dewatering process is a precondition for an economical transport and potential storing/disposal.
- continuous control of sludge and soil to comply with maximum values for:
o heavy metal concentration in soil where sludge is applied,
o heavy metal concentration in sludge,
o maximum annual amounts of heavy metal that may enter soil with agricultural destination.
People involved in growing, studying and researching energy willow say that it has two fields of use:
- energy purposes;
- environment improvement.
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