How manure acts as a better fertilizer for increasing crop yields than synthetic fertilizer does by improving soil fertility?
Manure contains more organic matter and nutrient release is normally slow in comparison to chemical fertilizer. Chemical fertilizer dissolves easily once it comes into contact with water/moisture.
Dear Rk Naresh .In comparison to synthetic fertilized treatments, manure application strongly and positively affected the relative yield by increasing SOC storage, soil nutrients, and soil pH (path coefficients: 0.90, 0.88, and 0.76). These factors explained 72% of the crop yields' variance. See the link: Article Manure acts as a better fertilizer for increasing crop yield...
Kindly see also the following useful link: https://byjus.com/biology/fertilizers-vs-manure/
See also the following useful very good link: https://www.milorganite.com/lawn-care/organic-lawn-care/organic-vs-synthetic
The following link is also very useful: https://www.meritnation.com/ask-answer/question/what-are-the-advantages-of-manure-over-fertilizers/improvement-in-food-resources/5270196
Manure organic matter contributes to improved soil structure, resulting in improved water infiltration and greater water-holding capacity leading to decreased crop water stress, soil erosion, and increased nutrient retention.
https://lpelc.org/environmental-benefits-of-manure-application/
Also, kindly check:
https://www.nature.com/articles/s41598-020-71932-9
Please check:
Article Opportunities to reduce nutrient inputs to the Baltic Sea by...
whereby the addition of manure can help to reduce the amount of synthetic fertilisers required.
Manure improves nutrient use efficiency.
Please see:
Article Nutrient use efficiency and crop yield response to the combi...
It has to contain enough C and minerals. We find that amendments > 50 dry t/ha have long-lasting effects.
https://www.tandfonline.com/doi/abs/10.1080/01904167.2019.1659337?journalCode=lpla20#:~:text=Organic%20manure%20improves%20soil%20structure,2007.
https://www.researchgate.net/publication/331074939_Manure_acts_as_a_better_fertilizer_for_increasing_crop_yields_than_synthetic_fertilizer_does_by_improving_soil_fertility
Improving soil structure and texture very well, but the quantity required to substitute synthetic fertilizer is very high, also high cost, not easily available, not easy to handle are other limitations.
Manure is derived naturally and adds a lot more than just nutrients to the soil. They increase the activity of the microbes in the soil and increase its fertility. On the other hand, fertilizers harm these microbes and cause health issues in the consumers since they are synthesized chemically. Compared to synthetic fertilized treatments, manure application strongly and positively affected the relative yield by increasing SOC storage, soil nutrients, and soil pH. These factors explained 72% of the crop yields' variance. Organic manure or organic fertilizer is made up of organic biodegradable waste like animal excreta and agriculture wastes. As it biodegradable it cannot harm the environment and increase the soil fertility it is better than chemical fertilizer. Manure adds nutrients to the soil without affecting its fertility. It does not damage crops and produces healthy plants. Fertilizers are chemicals which lower the fertility of the soil if used regularly. They also damage the crops and make them unhealthy for consumption. Farmers use raw manure on their fields because it is an excellent source of nitrogen, phosphorus and potassium which are all nutrients necessary for plants to grow and thrive. Fertilizers derived from organic sources provide benefits to both plants and soil and when used properly generally won't burn or damage plants. Organically derived fertilizers stimulate beneficial soil microorganisms and improve the structure of the soil.
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