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![Various organic sources of nitrogen for plant[36; 37; 38] | Download Scientific Diagram](https://www.researchgate.net/profile/Shah-Jahan-jianan/publication/309704090/figure/fig2/AS:424983940866049@1478335475481/Various-organic-sources-of-nitrogen-for-plant36-37-38.png "Various organic sources of nitrogen for plant[36; 37; 38] | Download Scientific Diagram")
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