Organic fertilizer is specifically made from various animal waste (including animal stool and processing waste) and plant residual body (such as crop straw, leaves, branches and peat). It usually produced via physical, chemical, biological or a mixture of these three technologies using complex processing process (including but not limited to heap business, high temperature, anaerobic etc) and eliminate harmful materials and make the fertilizer meet a group of standards and regulations.
Bio organic fertilizer are mainly made from animal waste and plant residue processing by eliminating the toxic and harmful substances. It is rich in nutrients and minerals including organic acids, peptides, nitrogen, phosphorus, potassium, and other kind of nutrients. Frequent usage of such organic fertilizers can provide nearly all nutrition for crops and vegetables and in the long run these fertilizers can increase the amount of organic matter and materials in soil which can improve of quality of soil and biological activity, thus enhance the production of vegetables.
Although these fertilizers are made from many kinds of bio components, the amount of each nutrient material is relatively small. Moreover, some process of heating is required to kill bacteria and other harmful substances. With the development of related technologies, some methods such as healthy bacteria isolation, domestication and cultivation technology of artificial selection, and putting good bacteria into harmless processed organic fertilizers can significantly produce a variety of bio-organic fertilizer which can improve soil quality, reduce environmental pollution and increase fertilizer efficiency.
Image provided By SuSanA Secretariat [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons
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