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With new plantings, the soil material is usually loosely stored around the roots and there is plenty of air in the soil material. In order to completely cover the fine roots with soil and to largely displace the air, the plant is watered sufficiently. This process is referred to as “slurrying in”.
Physically turning and mixing a compost pile will help to aerate the materials, reduce compaction of the pile, and speed up the composting process. It is not necessary in a wormery or in Bokashi fermentation.
The water and air-filled cavities in the soil are called “soil pores”. The pore space represents the entirety of all soil pores. Pore spaces and pore size distributions can be very different depending on the grain size distribution, the soil structure, the content of organic matter and the humus form.
Synthetic fertilisers or mineral fertilisers are inorganic plant fertilisers that can be used in conventional agriculture. The most common ingredients are nitrogen and phosphate compounds.
The habitat and the organisms living in it are called ecosystems. The plants, animals, microorganisms and the non-living environment all interact.
Leguminous plants include legumes and clover-like forage plants. They are useful for animal feed and as green manure because they are high in protein and enrich the soil with nitrogen, which they extract from the air with the help of bacteria on their roots.
Soil erosion describes the removal or displacement of the soil due to external influences. The main causes of soil erosion are rain (due to runoff) and wind.
A microclimate denotes local atmospheric conditions that differ from those in the surrounding areas. Often it differs only slightly, but sometimes there is a significant difference. The term can refer to areas as small as a few square meters (e.g., a garden bed or a den) or many square kilometres.
A plant species is referred to as a “pioneer plant” in that it can adapt well to the colonisation of new areas that are still bare of vegetation.
“Land grabbing” is a term for the (often illegal) appropriation of land, mostly by governments or corporations.
Acids are substances that cause a pH value of less than 7 in an aqueous solution. The pH of bases is between 7 and 14. Acids and bases usually react with one another in what is known as an acid-base reaction and can neutralise one another.
Humidity indicates the proportion of water vapour in a gas mixture. Since gases cannot absorb an unlimited amount of water, the relative humidity, on the other hand, describes the actual water content in relation to the physical maximum of a gas mixture.
In the context of landscape planning, the term “zoning” refers to the administrative act by which something is released for public use and subject to public law.
All atmospheric circulation systems are summarized under the term “planetary circulation” (also called general, planetary or global circulation). The weather dynamics in the earth’s atmosphere are determined by their interaction.
Volatile organic compounds – VOCs for short – are organic substances with a low boiling point. They are found in many solvents, woods, paints and sealants.
The term describes the rummaging and mixing (turbation) of soil or sediments by living beings.