By Wen Qi-Xiao (auth.), Zhao-liang Zhu, Qi-xiao Wen, J. R. Freney (eds.)

The examine of soil nitrogen has lengthy been an energetic box, however it was once commonly pivoted on agricultural and forestry construction, and animal husbandry. With the fast raise within the use of fertilizer nitrogen, extra consciousness has been paid to the rela­ tionship among nitrogen administration and environmental caliber and human of soil nitrogen has turn into extra entire with health and wellbeing. moreover, the learn the advance of similar sciences. The quantitative learn of the approaches in nitrogen biking and their interrelationships has been a big a part of this venture and has attracted the eye of scientists allover the realm. Nitrogen is among the most crucial foodstuff for plant progress and the applica­ tion of fertilizer nitrogen is taking part in an incredible function in agricultural construction. the once a year intake of fertilizer nitrogen on this planet has reached 70 million plenty, and China has an annual intake of greater than 15 million lots and is the biggest fertilizer nitrogen customer on the earth. besides the fact that, the potency of nitro­ gen fertilizer is low and losses are huge. it really is predicted that nitrogen losses from agriculture in our nation may be as excessive as 40-60% of the nitrogen utilized. the various misplaced nitrogen enters the ambience and contributes to the greenhouse impact and a few enters water our bodies to pollute the water.

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