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Extensive use of agrochemicals in agricultural practices has been found to cause environmental disturbances and public health hazards affecting food security and sustainability in agriculture. [22] Biofertilizers offers an alternative solution for such agrochemicals, and show yield increase of up to about 10–40% by increasing protein contents ...
Applying urine as fertilizer has been called "closing the cycle of agricultural nutrient flows" or ecological sanitation or ecosan. Urine fertilizer is usually applied diluted with water because undiluted urine can chemically burn the leaves or roots of some plants, causing plant injury, [19] particularly if the soil moisture content is low ...
Liquid manure is a mixture of animal waste and organic matter used as an agricultural fertilizer, sometimes thinned with water. It can be aged in a slurry pit to concentrate it. Liquid manure was developed in the 20th-century [ 1 ] as an alternative to fermented manure.
Biosolids can be an ideal agricultural conditioner and fertilizer [10] which can help promote crop growth to feed the increasing population. Biosolids may contain macronutrients nitrogen , phosphorus , potassium and sulphur with micronutrients copper , zinc , calcium , magnesium , iron , boron , molybdenum and manganese .
Nitrogen is an essential element needed for the creation of biomass and is usually seen as a limiting nutrient in agricultural systems. Though abundant in the atmosphere, the atmospheric form of nitrogen cannot be utilized by plants and must be transformed into a form that can be taken up directly by the plants; this problem is solved by biological nitrogen fixers.
Most of the fertilizers are fermented in the way of liquid fermentation. After fermentation, the liquid bacteria can be packaged, which is the liquid fertilizer, and the fermented liquid can also be adsorbed with sterilized peat and other carrier adsorbents to form a solid microbial fertilizer.
Microbial inoculants, also known as soil inoculants or bioinoculants, are agricultural amendments that use beneficial rhizosphericic or endophytic microbes to promote plant health. Many of the microbes involved form symbiotic relationships with the target crops where both parties benefit . While microbial inoculants are applied to improve plant ...
The creation of liquid fertilizer has allowed for more widespread application of seaweed-derived fertilizer to inland regions and sparked a growing agronomic interest in seaweed for a variety of agricultural applications, including foliage spray, biostimulants, and soil conditioning. [26]