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Lignosulfonate is used in agriculture as an analogue of humic substances. As a soil conditioner, it is mainly used to enhance the absorption and retention of fertilizers and other nutrients. [7] It is able to chelate minerals while remaining bio-degradable, an improvement compared to EDTA. [8]
As a soil conditioner, seaweed fertilizer can improve the physical qualities of soil, such as aeration and water retention. [1] Clay soils that lack organic matter and porosity benefit from the humic acid and soluble alginates found in seaweed.
The most common use of soil conditioners is to improve soil structure. Soils tend to become compacted over time. Soil compaction impedes root growth, decreasing the ability of plants to take up nutrients and water. Soil conditioners can add more loft and texture to keep the soil loose. [13]
Marl has been used as a soil conditioner and neutralizing agent for acid soil [13] [17] and in the manufacture of Portland cement. [18] Because some marls have a very low permeability , they have been exploited for construction of the Channel Tunnel between England and France and are being investigated for the storage of nuclear waste .
In agriculture, "humus" sometimes also is used to describe mature or natural compost extracted from a woodland or other spontaneous source for use as a soil conditioner. [3] It is also used to describe a topsoil horizon that contains organic matter (humus type, [4] humus form, [5] or humus profile [6]). Humus has many nutrients that improve the ...
The long-standing policy has prevented ICE agents from arresting immigrants at so-called "sensitive locations" except under certain circumstances.
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Land used for crop and livestock purposes loses minerals over time by crop removal and becomes acidic. [5] The application of modern chemical fertilizers is a major contributor to soil acid by the process in which the plant nutrients react in the soil. [6] Aglime can also benefit soils where the land is used for breeding and raising foraging ...